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Reference Manual

TX6n/5n/4n Reference Manual

Contents

Introduction............................................. 3

About the documentation.......................................... 3

Setup ...........................................................................3

Terms........................................................................... 4

Controls and Connectors ...................... 5

Front Panel.................................................................. 5

Rear Panel................................................................... 8

Optional I/O cards ......................................................9

Supported I/O cards ...............................................9

Removing and installing a card............................. 10

Cleaning the air filters.............................................. 11

Panel Operations.................................. 12

Basic Operations...................................................... 12

About the Display.................................................. 12

Switching Screens ................................................ 12

Editing the Parameters ......................................... 12

Adjusting the Attenuation......................................12

Screen Structure ......................................................13

Operations that can be Performed from

the Panel ................................................................ 14

Alert Messages ......................................................... 15

HOME Screen............................................................ 15

METER Screen.......................................................... 16

SETTING Screen....................................................... 17

UTILITY Screen......................................................... 19

Device Setup ........................................................ 19

Word Clock Setup................................................. 20

Information............................................................ 21

Network Setup ...................................................... 21

LCD Setup ............................................................ 22

Front Panel Operation........................................... 22

Scene Setup ......................................................... 23

Misc Setup ............................................................ 24

MENU Screen............................................................ 24

General ................................................................. 25

Signal Path ........................................................... 26

Signal Chain ......................................................... 27

Calibration............................................................. 28

Limiter ................................................................... 29

SIGNAL PATH Screen .............................................. 30

SIGNAL PATH Block Diagrams............................. 30

Recalling library settings

(Speaker Processor only).................................. 32

Slot Input Router................................................... 33

Input On/Off .......................................................... 33

4x4 Matrix Mixer ................................................... 33

8Band Input EQ .................................................... 34

Input Delay............................................................ 34

Oscillator Mix ........................................................ 35

X-Over Input Level (Speaker Processor) ..............35

X-Over Polarity (Speaker Processor)....................35

X-Over (Speaker Processor)................................. 36

Output Delay (Speaker Processor) .......................37

6Band Output EQ (Speaker Processor)................37

Output Level (Speaker Processor)........................ 38

Mute On/Off (Speaker Processor) ........................38

Limiter (Speaker Processor) ................................. 39

Output Router .......................................................39

SCENE Screen ..........................................................40

Recalling a scene .................................................40

Storing a scene.....................................................41

Editing a scene .....................................................42

Erasing a scene (Clear) ........................................ 42

Initializing the internal memory............................... 43

System Connection Examples ............ 44

Daisy-chain connection via analog or

digital audio ........................................................... 44

Thru-output for digital connections........................45

Regarding digital connections...............................45

Redundant connections (Backup) ..........................46

EtherSound connections ......................................... 47

Bridge connections from

EtherSound to AES/EBU ...................................... 48

CobraNet connections .............................................49

Bridge connections from

CobraNet to AES/EBU........................................... 50

Connecting External

Controllers and Analog Devices ......... 51

Remote control from AMX or Crestron

([NETWORK] connector) ...................................... 51

Controlling an analog device

([FAULT OUTPUT] connector) ............................. 51

Euroblock plug connection .....................................52

Adjusting the Input/Output Levels ...... 53

Simplified block diagram and level diagram.......... 53

Gain / Input Sensitivity conversion table ...............53

Adjusting the input/output levels............................ 54

Basic level adjustment ..........................................54

Level adjustments between

TX6n/TX5n/TX4n units ...................................... 54

Level adjustments between analog and digital .....54

Appendix ............................................... 55

Message List ............................................................. 55

Alert Message List (Excerpt) ...................................56

Troubleshooting .......................................................57

Index ..........................................................................58

TX6n/5n/4n Reference Manual

Introduction

About the documentation

This manual mainly explains operation and speciﬁcations for the TX6n, TX5n, and TX4n (subsequently referred

to as TXn) power ampliﬁers. When using the TXn, you will also need to consult various manuals other than this

document.

● Manuals other than this document

PDF manuals and Amp Editor can be downloaded from the following URL.

http://www.yamahaproaudio.com/

• In order to view the downloaded manuals, Adobe Reader must be installed in your computer. If you don’t have

Adobe Reader, please access the Adobe Corporation’s website at the following URL, and download Adobe Reader

(free of charge).

http://www.adobe.com/

Setup

For details on setting up the TXn and Amp Editor, refer to the “TX6n/5n/4n Owner’s Manual” and “Amp Editor

Owner’s Manual.”

TX6n/5n/4n Owner’s Manual (printed) Explains mainly the initial setup.

Amp Editor Installation Guide (PDF) Explains the installation procedure for Amp Editor and the uninstallation

procedure.

Amp Editor Owner’s Manual (PDF) Explains how to use Amp Editor.

NOTE

TX6n/5n/4n Reference Manual

Introduction

Terms

This section explains terminology speciﬁc to the TXn.

■ Amp Editor

This is computer application software. This software allows you to monitor and control the TXn ampliﬁers from your com-

puter.

■ Scene

Settings such as power-on/standby or mute for each ampliﬁer are called a “scene.” By recalling a scene, the saved settings

can be immediately applied to the ampliﬁers. Each TXn unit has 50 scenes.

■ Signal Path

This is the audio signal processing functionality provided by the internal DSP. Components organized into modules accord-

ing to their functionality are placed in the signal path.

■ Component

These are modules in the signal path that organize audio signal processing according to their functionality.

■ Library

The settings of all Speaker Processor components can be saved together in a library. A library can be saved only from Amp

Editor, but can be recalled from the unit’s front panel as well.

■ Device ID

This is an ID for uniquely identifying a TXn unit within a network. In order to allow monitoring and control from Amp Edi-

tor, you must specify non-conﬂicting IDs within a workspace.

TX6n/5n/4n Reference Manual

Controls and Connectors

q [POWER] switch and indicator

This switch turns the ampliﬁer’s power on or off. When you turn this switch on, the [POWER] indicator will light white. In

Standby mode, it will light white as well.

w [STANDBY] indicator

This indicator will light orange when the ampliﬁer’s power is in Standby mode. To switch between Standby/On modes, hold

down the TXn’s panel [HOME] button for three seconds or longer, or switch the mode from the MENU screen ➝ General

➝ Sensitivity/Amp Gain or Amp Editor’s Detail View window.

• Standby is a state in which the speaker output’s power amp section is off (operation other than speaker output will con-

tinue).

e [IDENTIFY] indicator

When you click the [Identify] button in the Tree View window of Amp Editor, the [IDENTIFY] indicator of the correspond-

ing ampliﬁer will blink blue.

r [NETWORK] indicator

This will blink green when the ampliﬁer is connected to a computer via the [NETWORK] connector, and data is being sent

or received.

Front Panel

!9 !9

!3 !3

!6 !7 !8

@0@0

NOTE

TX6n/5n/4n Reference Manual

Controls and Connectors

t [PROTECTION] indicator

When the protection system is active, this indicator will light red. The protection circuit will operate in the following situa-

tions.

• If the ampliﬁer overheats and the output limiter operates

The speaker output will be attenuated if the heat sink of the ampliﬁer section exceeds 80°C (80%), and will be muted if

the heat sink exceeds 90°C (90%). The [PROTECTION] indicator will light at 80°C (80%) or higher.

• If the power supply overheats and shuts-down

The fan will rotate at high speed if the power supply section exceeds 90°C, and the analog circuits will shut down if it

exceeds 100°C. The [PROTECTION] indicator will light only if shut-down occurs.

• The thermal meter in the METER screen and in Amp Editor indicates the heat sink temperature of the amp section.

The temperature of the power supply section is not shown.

• If the load falls below 0.5 ohms

If a short occurs and the load falls below 0.5 ohms, the speaker output will be muted, and muting will be cleared approx-

imately 1 second later.

• If DC output is detected

The speaker output will be muted, and the power supply section will shut down.

• If the power supply malfunctions

The speaker output will be muted.

• If ultra-high frequencies, overcurrent, excessive total current, or maximum current is detected

The speaker output will be compressed.

y [BRIDGE] indicator

This will light green if the ampliﬁer mode is set to Bridge.

u [PARALLEL] indicator

This will light orange if the ampliﬁer mode is set to Parallel.

i [MUTE] indicator

This indicator will light red if muting is turned on by the [MUTE] button or from Amp Editor. When the power is turned on,

the output signal will also be muted and the indicator will blink red until audio begins being output.

•Even if mute is off, this indicator will blink if Solo was turned on from Amp Editor, or when the output has been muted by

the protection circuit.

o [MUTE] button

By holding down the [MUTE] button for one second or longer, you can turn muting on/off for that channel. When muting

turns on, the [MUTE] indicator will light. By holding down the [MUTE] button when the Solo function is turned on from

Amp Editor, Solo will be defeated.

!0 [ALERT] indicator

This will light to indicate an alert related to the ampliﬁer’s audio signal. If an alert for a speciﬁc channel has occurred, the

indicator of the corresponding channel will light; for other alerts, the indicators of both channels will light. At this time, the

alert message will appear in the upper part of the display.

!1 [CLIP] indicator

When the signal of the speaker output’s power amp section exceeds the clipping level, this indicator will light and the output

signal will be compressed.

!2 [SIGNAL] indicator

This will light green when the level of the signal being output from the [SPEAKERS] jack exceeds 1 Vrms (equivalent to

0.2 W into an 8 ohms load, 0.4 W into a 4 ohms load or 0.8 W into a 2 ohms load).

NOTE

TX6n/5n/4n Reference Manual

Controls and Connectors

!3 Encoders A, B

When the display shows the attenuation meter, these encoders adjust the attenuation of channels A and B. If any other

screen is displayed, encoder A moves the cursor and encoder B modiﬁes the parameter value.

• Only encoder A can be operated if you’re adjusting the attenuation when the ampliﬁer mode is Bridge.

!4 Display

This shows the ampliﬁer’s settings or a level meter. Refer to “Screen Structure” (page 13) for details.

• If the power supply is in Standby mode or if the LCD Setup’s Backlight setting is Auto OFF, the backlight will go dark if no

panel operation has been performed for ten seconds. It will light again when a panel operation is performed.

!5 Function buttons

These buttons move to the screen indicated above each button in the display. If a channel name (e.g., CH A, CH B) is

shown, this means that a parameter for that channel is displayed; press the corresponding function button to switch the

channel that is shown. These buttons may also operate in different ways depending on the screen shown in the display.

!6 [HOME] button

This accesses the HOME screen (page 15) in the display.

By holding down this button for three seconds or longer, you can switch the power between Standby and On modes. When

the conﬁrmation message appears, press the [ENTER] button to switch the setting.

!7 [EXIT] button

By pressing this button when the display shows a screen other than the HOME screen, you can move to the screen of the

next highest level.

•To temporarily disable panel lock, simultaneously hold down the [HOME] button and [EXIT] button for three seconds or

longer.

• If you hold down this button for three seconds or longer in the HOME screen, the FAULT OUTPUT connector output will

be reset (NC and C will be connected).

!8 [ENTER] button

Use this to select a parameter or to ﬁnalize an edited parameter value. Depending on the screen shown in the display, this

button may also be used in other ways. If the parameter value is blinking, you must ﬁnalize the value by pressing this but-

ton.

• If you hold down this button for one second or longer in the HOME screen, the UTILITY screen Device Setup page (page

19) will appear.

!9 Air intakes

The ampliﬁer uses forced-air cooling. The variable speed cooling fan draws air in from the front and exhausts it through the

rear. The cooling fan speed varies depending on the heat sink temperature: It operates at low speed when it is below 40 °C

(40%), increases in speed according to increases in temperature, and operates at high speed when temperature exceeds 60

°C (60%). If the power supply exceeds 90°C, the variable speed fan will operate at high speed regardless of the heat sink

temperature.

Please be sure that you do not block the air intakes or exhaust vents. Also, clean the ﬁlter elements regularly. If the air

intakes are clogged with dust or debris, the ampliﬁer will overheat, which may result in the ampliﬁer shutting down.

@0 Screw holes for handles

These four screw holes (four locations) are for the included handles. Fix the handles to the ampliﬁer, using the included ﬂat-

head screws.

NOTE

TX6n/5n/4n Reference Manual

Controls and Connectors

@1 [SPEAKERS] jacks

These are speaker output jacks.

• Speakon connectors : Speakon type cable plugs (Neutrik NL4) can be connected here.

• Five-way binding post connectors : Bare wires or Y plugs can be connected here.

• The ﬁve-way binding post connectors and Speakon connectors are internally connected in parallel. If you’re using both

simultaneously, make sure that the speaker impedance of each connector is 4–16 ohms (8–32 ohms in Bridge mode).

@2 Digital input/output connectors (I/O card slot)

An AES-IO card is installed as standard, allowing AES/EBU digital audio signals to be input and output.

• [IN] connector : This is an XLR-3-31 type balanced input connector for inputting two-channel digital audio sig-

nals.

• [OUT] connector : This is an XLR-3-32 type balanced output connector for outputting two-channel audio signals

processed by the internal DSP.

• [THRU] connector : This is an XLR-3-32 type balanced output connector that outputs the unprocessed signal received

at the [IN] connector. Even if the power is turned off, this connector will output the input signal

without any change (page 44). However, internal settings will be switched when the power is

switched on/off, causing the output signal to be muted for an instant.

• If desired, you can remove the AES-IO card and install a separately sold MY card. For details on the types of MY card

that can be used and how to install them, refer to “Optional I/O cards” (page 9).

• The removed AES-IO card cannot be installed and used in other devices.

•You must use a 110 ohm digital cable to make AES/EBU connections.

@3 Analog input/output connectors

These connectors input and output analog audio signals.

• [IN] connector : These are XLR-3-31 type input connectors for inputting ana-

log audio signals. The pin polarity is shown at right (IEC

60268).

• In Parallel mode and Bridge mode, only the signal of

channel A is output from the speaker output connector

by default. The channel B signal is not sent from the

speaker output, but the audio signal processed by the

internal DSP can be output from the digital output con-

nector.

• [THRU] connector : This is an XLR-3-32 type balanced output connector

that outputs the unprocessed analog signal received from

the [IN] connector.

Rear Panel

@2@1 @4

@3@7 @6

NOTE

Hot Ground

Cold

NOTE

TX6n/5n/4n Reference Manual

Controls and Connectors

@4 [NETWORK] connector

This is a 100BASE-TX/10BASE-T Ethernet connector. You can connect this to a computer so that the ampliﬁer can be mon-

itored and controlled from Amp Editor. This also allows an external controller such as AMX or Crestron to be connected.

•To prevent electromagnetic interference, use an STP (Shielded Twisted Pair) cable for the [NETWORK] connector.

@5 [FAULT OUTPUT] connectors

This is a 3P Euroblock connector for controlling an external analog device when an abnormality occurs in the CPU or trig-

gered by the occurrence of a Fault event speciﬁed in Amp Editor. NC and C will be connected when the ampliﬁer is operat-

ing normally; NO and C will be connected when a problem occurs (page 51). You can also reset this output from Amp

Editor.

A message will appear in the screen if a problem occurs. To reset the output, hold down the [EXIT] button for three seconds

or longer in the HOME screen.

@6 Power cable

Connect the plug of the power cable to an AC outlet of the correct voltage.

@7 Grounding screw

The AC power cord is a 3-wire type. If the AC outlet used is earthed (grounded), this device will be properly earthed as well.

Also, grounding the screw sometimes reduces hum and interference noise.

■ Supported I/O cards

You can remove the AES-IO card from the TXn’s rear panel, and install a separately sold MY (mini-YGDAI) card. As of Sep-

tember 2009, the following MY cards are supported. For the latest information, refer to the Yamaha pro audio website.

http://www.yamahaproaudio.com/

* When the card which supports Emulation mode is operating with the mode ON, the compatibility is the same as the emulated card.

Optional I/O cards

Card name Input/output format

Number of channels

Auto Scan Mode/

Redundant Backup

Input/output connector

Inputs Outputs

AES-IO (attached) AES/EBU 2 2 ✓ XLR-3-31, XLR-3-32

MY4-AD Analog input 4 — — XLR-3-31

MY8-AD24 Analog input 8 — — TRS phone

MY8-AD96 Analog input 8 — — D-sub 25-pin

MY4-DA Analog output — 4 — XLR-3-32

MY8-DA96 Analog output — 8 — D-sub 25-pin

MY8-ADDA96 Analog input/output 8 8 — Euroblock

MY8-AE AES/EBU 8 8 ✓ D-sub 25-pin

MY8-AE96 AES/EBU 8 8 ✓ D-sub 25-pin

MY8-AE96S AES/EBU 8 8 ✓ D-sub 25-pin

MY8-AEB AES/EBU 8 8 ✓ BNC

MY16-AE AES/EBU 16 16 ✓ D-sub 25-pin

MY16-CII CobraNet 16 16 — RJ-45

MY16-ES64 EtherSound 16 16 — * RJ-45

MY16-MD64 MADI 16 16 — * BNC, SC ﬁber

MY16-EX Expansion card 16 16 — * RJ-45

AVY16-ES

EtherSound made by

AuviTran Corp.

16 16 — RJ-45

NOTE

TX6n/5n/4n Reference Manual

Controls and Connectors

■ Removing and installing a card

To remove and install a card, proceed as follows.

1. Make sure that the power of the TXn is turned off.

2. Loosen the screws that fasten the slot, and remove the installed card.

Keep the removed card in a safe place.

3. Align the two edges of the card to be installed with the guide rails inside the slot, and insert the card into the

slot.

Push the card all the way into the slot so that the contacts of the card are correctly mated with the connector inside the slot.

4. Fasten the card using the screws attached to the card.

Be aware that malfunctions or faulty operation may occur if the card is not fastened.

•You must turn off the ampliﬁer’s power switch before removing and installing a card. Otherwise, malfunctions or electric

shock may occur.

Guide rail

CAUTION

TX6n/5n/4n Reference Manual

Controls and Connectors

To ensure adequate cooling air intake, the ﬁlter elements must be cleaned when they have become clogged. Follow

the description below to clean each of the ﬁlter elements.

1. Make sure that the power to the ampliﬁer is turned off.

2. Disconnect the power cable from the AC outlet.

3. Remove the two screws that fasten the front ﬁlter grill, and remove the grill.

4. Remove the ﬁlter element, and wash it in plain water. If the ﬁlter element is exceptionally dirty, mild deter-

gent may be used.

5. Dry the ﬁlter element completely.

•Never replace the ﬁlter element while it is still wet.

6. Replace the ﬁlter element on the air intake, hook the front ﬁlter grill on the ampliﬁer, and secure it using the

screws. (The replacement part number of the ﬁlter element is WN311200.)

Cleaning the air ﬁlters

CAUTION

Filter elementFront ﬁlter grill

TX6n/5n/4n Reference Manual

Panel Operations

■ About the Display

■ Switching Screens

By pressing a function button you can move to the screen indicated above that button. By pressing the [HOME] button you can

move to the HOME screen. By pressing the [EXIT] button you can move to the screen one level above.

■ Editing the Parameters

Use encoders A and B to move to the parameter that you want to edit, and use encoder B to edit the value.

• If you edit a parameter in the UTILITY screen, press the [ENTER] button when you ﬁnish editing. If you move to a differ-

ent screen without pressing the [ENTER] button, your change will not be applied.

■ Adjusting the Attenuation

When the display shows the attenuator (i.e., in the HOME screen or the METER screen), you can use encoders A and B to

adjust each channel’s attenuation.

• If the display shows a screen other than the HOME screen or METER screen, encoders A and B are used to set param-

eters.

Basic Operations

Shows an alert message if an alert event occurs

such as an abnormality in the ampliﬁer.

Shows the contents of the selected screen.

Shows the names of the screens assigned to

the function buttons.

NOTE

Attenuator

TX6n/5n/4n Reference Manual

Panel Operations

Screen Structure

METER

SETTING

• ANA INPUT VOLTAGE

• SLOT INPUT VOLTAGE

• SP OUTPUT VOLTAGE

• SP OUTPUT POWER

• SP OUTPUT IMPEDANCE

• SLOT OUTPUT METER

• THERMAL

UTILITY

• Device Setup

• Word Clock Setup

• Information

• Network Setup

• LCD Setup

• Front Panel Operation

• Scene Setup

• Misc Setup

SCENE

• RECALL

• STORE

• EDIT

• CLEAR

• General

• Signal Path

• Signal Chain

• Calibration

• Limiter

• Sensitivity/Amp Gain

• Stereo/Bridge/Parallel

• Attenuation Link

• Input Redundancy

• Analog Input Signal Chain

• Slot Input Signal Chain

• Output Signal Chain

• Input Router

• Input On/Off

• 4x4 Matrix Mixer

• 8Band Input EQ

• Input Delay

• Oscillator Mix

• Speaker Processor

• Output Router

• ANA INPUT VOLTAGE

• SLOT INPUT VOLTAGE

• SP OUTPUT VOLTAGE

• SP OUTPUT POWER

• SP OUTPUT IMPEDANCE

• SLOT OUTPUT METER

• THERMAL

• X-Over Input Level

• X-Over Polarity

• X-Over

• Output Delay

• 6Band Output EQ

• Output Level

• Mute On/Off

• Limiter

• RECALL

LIB.

• Calibrate by Pilot Tone

• Calibrate by Prog Source

• Voltage Limiter

• Power Limiter

• Limiter Gain Reduction

HOME Screen

METER Screen

UTILITY Screen

MENU Screen

SCENE Screen

SETTING Screen

General

Signal Path

Signal Chain

Calibration

Limiter

Speaker Processor

Library

Encoder

TX6n/5n/4n Reference Manual

Panel Operations

*Scene..........The settings listed above, such as Standby/Power-On or mute (with the exception of UTILITY), are called a “scene”. By recalling a scene, the

saved settings can be immediately applied to the ampliﬁers.

Operations that can be Performed from the Panel

Category Subcategory Explanation

METER

(page 16)

ANA INPUT VOLTAGE Shows the input level from the analog input connectors.

SLOT INPUT VOLTAGE Shows the input level from the slot.

SP OUTPUT VOLTAGE Shows the output level from the [SPEAKERS] connectors.

SP OUTPUT POWER Shows the output power from the [SPEAKERS] connectors.

SP OUTPUT IMPEDANCE Shows the output impedance from the [SPEAKERS] connectors.

SLOT OUTPUT METER Shows the output level to the slot.

THERMAL Shows the heat sink temperature.

UTILITY

(page 19)

Device Setup Makes settings to distinguish the ampliﬁer on a network.

Word Clock Setup Sets the word clock.

Information Shows information about the ampliﬁer.

Network Setup Speciﬁes the IP address and other settings for using the ampliﬁer in a

network.

LCD Setup Speciﬁes the display settings.

Front Panel Operation Turns panel operation lock on/off.

Scene Setup Makes scene* settings.

Misc Setup Sets the ampliﬁer’s internal clock, etc.

(page 24)

General Sensitivity/Amp Gain Sets the input sensitivity/gain.

Stereo/Bridge/Parallel Speciﬁes the ampliﬁer’s mode (Stereo/Bridge/Parallel).

Attenuation Link Speciﬁes whether attenuator operation will be linked between channels

A and B.

Input Redundancy Speciﬁes the redundant connection mode, etc.

Signal Path Makes settings for the equalizer, delay, crossover, and others that pro-

cess the audio signal. Speaker Processor libraries can also be recalled.

Signal Chain Analog Input Signal Chain Makes settings for checking whether the audio signal is being correctly

input from the analog connectors.

Slot Input Signal Chain Makes settings for checking whether the audio signal is being correctly

input from the slot.

Output Signal Chain Makes settings for checking the status of output from the [SPEAKERS]

connectors.

Calibration Calibrate by Pilot Tone Uses a pilot tone to measure the impedance of the connected speakers.

Calibrate by Prog Source Uses an audio signal to measure the impedance of the connected

speakers.

Limiter Voltage Limiter Makes settings for the limiter.

Power Limiter

Limiter Gain Reduction Speciﬁes whether the limiter will be linked between channels A and B.

SCENE

(page 40)

Recall Recalls a scene*.

Store Stores a scene*.

Edit Edits a scene*.

Clear Clears a scene*.

TX6n/5n/4n Reference Manual

Panel Operations

When an alert event occurs related to the ampliﬁer’s audio, such as when an abnormality has occurred in the

ampliﬁer, an alert message will appear in the upper part of the display. At this time the [ALERT] indicator of each

channel will also light.

If Amp Editor is being used online, the alert message will also appear in Amp Editor.

When an alert event occurs, it will be recorded in the event log of the ampliﬁer itself, and the recorded event log can be viewed

in Amp Editor’s “Event Log” dialog box.

In Amp Editor’s “Alert Setup” dialog box you can enable/disable alert events and select their types. If an alert type is set to

Information, the alert message will not appear in the display.

For details on the content of each alert and the appropriate measures to take, refer to the Amp Editor Owner’s Manual.

For details about the alert messages appearing when certain malfunctions are suspected to have occurred, you can also refer to

“Alert Message List (Excerpt)” (page 56).

This shows information such as the currently selected scene name and attenuation. This screen will appear imme-

diately after you power-on the ampliﬁer. You can also access it by pressing the [HOME] button, or by pressing the

[EXIT] button several times. You can also move from this screen to various other screens.

• As a shortcut from the HOME screen, you can hold down one of the following buttons for three (or one) seconds or longer

to execute the corresponding function (page 7).

[HOME] button : Switch power between Standby/On

[EXIT] button : Reset the FAULT OUTPUT connector

[ENTER] button : Access the UTILITY screen Device Setup

[HOME] + [EXIT] button : Temporarily defeats panel lock

q Scene information

This shows the number and name of the currently recalled scene. The scene name can be speciﬁed in the SCENE screen

(page 42) or in Amp Editor. Instead of the scene name, you can choose to display the library name for the Speaker Proces-

sor component (page 24).

When you edit a parameter after recalling or storing a scene, an EDIT symbol will appear above the scene number.

w Gain

This indicates the currently speciﬁed gain for each channel. The gain can be adjusted in the MENU screen (page 24).

e Attenuation

This indicates the current attenuation for each channel. You can use encoders A/B to adjust the attenuation for each channel.

Alert Messages

HOME Screen

Alert message

NOTE

TX6n/5n/4n Reference Manual

Panel Operations

This shows the input/output levels of the audio signal, and the status of the power supply. As when you’re in the

HOME screen, you can use encoders A/B to adjust the attenuation of each channel.

To access the METER screen, access the HOME screen and press the left-most function button (METER). You can

change the meter type by using the left-most function button (PREV) and right-most function button (NEXT).

q Level meter

This shows the name of the currently selected meter type and the meter for each channel. The “<” “>” beside the meter are

threshold values.

• When the input level from an analog input jack or slot exceeds the maximum value of digital signal, the top segment of

the meter will light.

w Gain

This indicates the currently speciﬁed gain for each channel. The gain can be adjusted in the MENU screen (page 24).

e Attenuation

This indicates the current attenuation for each channel. You can use encoders A/B to adjust the attenuation for each channel.

● Meter types that can be shown

The display units can be speciﬁed in the SETTING screen (page 17).

METER Screen

Meter type Display unit Explanation

ANA INPUT VOLTAGE dBFS, dBu, V Input level from the analog jack

SLOT INPUT VOLTAGE dBFS Input level from the slot

SP OUTPUT VOLTAGE dBu, V Speaker output level

SP OUTPUT POWER W Speaker output power

SP OUTPUT IMPEDANCE Ω Speaker output impedance

SLOT OUTPUT METER dBFS Slot output level

THERMAL % Heat sink temperature of ampliﬁer section

NOTE

TX6n/5n/4n Reference Manual

Panel Operations

For each meter type, this screen lets you specify various parameters for alert detection, peak hold, and display

units.

● Setting procedure

1. In the HOME screen, press the left-most function button (METER) to access the METER screen.

2. Use the function buttons (PREV/NEXT) to access the screen for the meter whose settings you want to change.

3. Press the second-from-right function button (SETTING) to access the SETTING screen for that meter.

4. Press the second-from-left function button (CH A/B or CH 1/2) to access the settings for the channel that you

want to edit.

5. Use encoder A to move the cursor to the parameter that you want to edit, and encoder B to edit the parameter

value.

The edited parameter value will be reﬂected by the ampliﬁer in real time.

SETTING Screen

Channel whose settings you will edit

TX6n/5n/4n Reference Manual

Panel Operations

● Parameters that can be edited

The parameters that can be edited will depend on the meter type.

* The setting range will differ depending on the meter type.

Parameter Range Explanation

Detect Enable ON/OFF Speciﬁes whether alert detection will be enabled or disabled. An alert

message will be displayed if a point exceeding the speciﬁed value (Alert

Min/Max TH) is detected for the speciﬁed number of times (Detect

Count) within the speciﬁed duration (Detect Time). Detection is in 2 ms

intervals.

Alert Min TH * Speciﬁes the lower threshold value for the alert.

Alert Max TH * Speciﬁes the upper threshold value for the alert.

Detect Time 1–10s Speciﬁes the time during which points exceeding the threshold value will

be counted.

Detect Count 1–100 Speciﬁes the number of times that a point exceeding the threshold value

must be counted in order to trigger an alert.

Peak Hold ON/OFF Turns peak hold on/off.

Unit * Speciﬁes the display unit for the meter.

now

Time

Value

Max TH

Min TH

= Detect Count

Detect Time

Alert detection parameters

TX6n/5n/4n Reference Manual

Panel Operations

Here you can make settings for the ampliﬁer itself and for the network.

● Setting procedure

1. In the HOME screen, press the second-from-left function button (UTILITY) to access the UTILITY screen.

2. Use the function buttons (PREV/NEXT) to access the screen for the sub-category whose settings you want to

change.

3. Use encoder A to move the cursor to the parameter that you want to edit, and encoder B to edit the parameter

value.

4. If the parameter value is blinking, press the [ENTER] button to conﬁrm the value.

Non-blinking parameter values are reﬂected by the ampliﬁer in real time.

■ Device Setup

Here you can specify identiﬁers for distinguishing the ampliﬁer on a network.

•You can also access this screen from the HOME screen by holding down the [ENTER] button for three seconds or longer.

UTILITY Screen

Parameter name Range Explanation

Device ID 0–255 This is an ID for uniquely identifying the device within a network.

Identify ON/OFF Lights the [Identify] button of the corresponding ampliﬁer in Amp Editor’s

Tree View window.

Label — Displays the label (name) of this ampliﬁer as assigned by Amp Editor.

NOTE

TX6n/5n/4n Reference Manual

Panel Operations

■ Word Clock Setup

Here you can select the master word clock that will synchronize digital audio signal processing.

q Fs

Indicates the current word clock frequency.

w Int

The status of the internal word clock. There are four possibilities: 44.1 kHz / 48 kHz / 88.2 kHz / 96 kHz. The default setting

is 96 kHz.

e Slot

The word clock status of the card inserted in the slot. Normally, the reference word clock signal is transmitted from a single

device, and the other devices will receive and synchronize to this word clock signal.

• If a card with a built-in SRC (sampling rate converter) is installed, select the master word clock from other than the chan-

nels with the SRC enabled.

r Auto Scan Mode

This speciﬁes whether the master clock will be switched automatically when a valid word clock is no longer being input to

the port that’s assigned as the master clock, or when a port of the slot is found to have a valid word clock being input while

the internal word clock is selected.

If this setting is ON, the master clock will automatically be switched according to the following order of priority.

1. The selected port of the slot

2. The internal word clock

•For some types of installed I/O card (e.g., for an AD card), Auto Scan Mode will not operate even if this setting is ON.

Refer to “Supported I/O cards” (page 9) to check if your I/O card supports Auto Scan Mode.

• If two TXn ampliﬁers are bi-directionally connected via a digital I/O card (e.g., separately sold AES/EBU cards connected

via the D-sub 25 pin connectors), and if Auto Scan Mode is ON for both units, the word clock will loop, and will no longer

lock. In this case, turn Auto Scan Mode OFF for one of the TXn ampliﬁers.

● Setting procedure

1. Use encoder A to move the cursor to the port (Int or Slot) that you want to assign as the master clock.

2. Press the [ENTER] button to switch the master clock.

A word clock is being input, and can be selected as the master clock.

A valid word clock is not being input (and cannot be selected as the master clock).

A word clock is being input, but is not synchronized with the master clock.

Selected as the master clock.

Selected as the master clock, but a valid clock is not being input.

An invalid channel of the slot, an analog I/O card is installed, or no card is installed.

NOTE

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