Audio Technica ATUC-50 User manual

ATUC-50
Digital Wired Conference System
ATUC-IR
Hybrid Infrared Conference System
Instruction Manual - Web Remote Edition -
Gooseneck Microphone with LED Ring
ATUC-M43H/58H/M32L
Discussion Unit
ATUC-50DU
Interpretation Unit
ATUC-50INT
Control Unit
ATUC-50CU
Integration Unit
ATUC-50IU
Link Extender
ATLK-EXT165
Gooseneck Microphone with LED Ring
ATUC-M43H/58H/M32L
IR Discussion Unit
ATUC-IRDU
Hybrid Control Unit
ATUC-IRCU
Hybrid Control Unit (Dante-Enabled)
ATUC-IRCUDAN
IR Transmitter Unit
ATUC-IRA
IR Distributor
ATUC-IRD
Charger
ATCS-B60

2
Table of Contents
Introduction .......................................... 3
About this manual..................................................3
About the information in this manual ..................................... 3
About the configuration of this manual................................... 3
About registered trademarks and copyrights .......................... 3
Preparing to use Web Remote ...............................4
What is Web Remote?............................................................... 4
Setting up “Locate”................................................................... 4
Configuring and Operating Conferences
Using the Web Remote Control
Function................................................. 5
About Web Remote ................................................5
Overall structure of Web Remote ............................................ 5
Starting up Web Remote and preparing for
operations ..............................................................6
Starting up and logging in to Web Remote.............................. 6
About Web Remote Home screen............................................ 6
Configuring detailed system settings
([Settings & Maintenance])....................................7
How to operate the [Settings & Maintenance] menu ............. 7
Menu item ①([System Settings]) .......................................... 8
Menu item ②([Install Settings]).......................................... 16
Accessing your presets ([Presets]) ........................................ 30
Log management ([Logging]) ............................................... 31
Displaying the system information ([System Info])............. 31
Preparing for conferences
([Setup Conference]) ............................................32
1Recalling the preset ([Recall Preset]) ............................. 32
2Changing the conference settings
([Conference Settings]) ................................................... 32
3Adjusting the DU/IU settings
([DU/IU Settings], [DU/IU Detail Settings]) ............... 33
Operating and controlling conferences
([Start Conference]) .............................................34
1Operating conferences ([Conference Manager])............ 34
2Configuring the advanced audio-related settings and
performing audio operations ([Audio Control]) ............ 35
3Configuring conference settings
([Conference Settings]) ................................................... 35
Information.......................................... 36
Troubleshooting...................................................36
Error messages .....................................................37

3
Introduction
About this manual
About the information in this manual
The images and screenshots shown in this manual may differ from
the actual product.
About the configuration of this manual
The “Web Remote Edition” instruction manual explains how to use
Web Remote. Refer to the “Main Unit Edition” for information
about the digital wired conference system ATUC-50 and the hybrid
infrared system ATUC-IR products.
Device names
The device names are abbreviated as follows.
• 50CU: “Control Unit” ATUC-50CU
• 50DU: “Discussion Unit” ATUC-50DU
• 50INT: “Interpretation Unit” ATUC-50INT
• ATUC-M: “Gooseneck Microphone with LED Ring” ATUC-
M43H/ATUC-M58H/ATUC-M32L
• 50IU: “Integration Unit” ATUC-50IU
• EXT: “Link Extender” ATLK-EXT165
• IRCU: “Hybrid Control Unit” ATUC-IRCU
• IRCUDAN: “Hybrid Control Unit (Dante-Enabled)” ATUC-
IRCUDAN
• IRDU: “IR Discussion Unit” ATUC-IRDU
• IRA: “IR Transmitter Unit” ATUC-IRA
• IRD: “IR Distributor” ATUC-IRD
• B60: “Charger” ATCS-B60
Some abbreviated names are used as follows.
CU: When indicating the ATUC-50CU, ATUC-IRCU, and ATUC-
IRCUDAN collectively
DU: When indicating both the ATUC-50DU and the ATUC-IRDU
Symbols
➤
Indicates the page(s) where you can find more detailed
or related information.
NOTICE Indicates a risk that may result in malfunction or damage
to the device.
Indicates supplementary information as well as tips &
advice for operations.
[ ] Indicates menu items on the Web Remote screen.
Operations on mobile devices
Operations in this manual assume that you are using a computer as a
control device. Alternatively you can use a mobile device such as a
tablet. Instead of clicking or double-clicking, operate the application
by tapping.
About registered trademarks and
copyrights
• Apple, the Apple logo, iPad and Mac OS are trademarks of Apple
Inc., registered in the U.S. and other countries. App Store is a
service mark of Apple Inc.
• Google Play and the Google Play logo are registered trademarks
or trademarks of Google Inc.
• Other product names, service names, logos and/or company
names used in this manual are trademarked and copyrighted
properties of their respective owners and/or licensors.
In this manual, the TM and ®mark may not be specified.

4
Preparing to use Web Remote
What is Web Remote?
Web Remote is a web application to control this system.
Using Web Remote enables you to remotely perform the following
operations from a computer or mobile device (hereinafter, control
device):
• Preparing for conferences
• Operating and controlling conferences
• Configuring detailed settings
After connecting the CU to the control device, download “Locate”.
Using “Locate” enables you to simply access Web Remote (
➤
page
6) without typing the IP address of the installed CU.
• You can also start up Web Remote without using
“Locate” (
➤
page 6).
Operating Environment for Web Remote and “Locate”
• Microsoft Windows 7 or later
• Apple OS X10.12 Sierra or later
• Android OS5.0 or later
• iOS9 or later
Recommended web browser for Web Remote
• Microsoft Internet Explorer 11 (Windows)
• Google Chrome ver. 57 or later (Windows and Android)
• Mozilla Firefox ver. 52 or later (Windows)
• Safari 10 or later (OS X and iOS)
NOTICE • Up to 3 control devices can simultaneously log in to Web
Remote.
When 2 web browsers are running on a control device,
Web Remote counts the web browsers as 2 separate
devices.
• When you have finished with Web Remote, be sure to log
out of Web Remote before closing the web browser
window.
If you simply close the window without logging out, you
will remain logged in to Web Remote for 5 minutes until
the session times out.
Setting up “Locate”
1Download the “Locate” installer onto the control
device.
For Windows/Mac users:
Download the “Locate” installer that applies to your country/
region from the Audio-Technica website:
http://www.audio-technica.com/world_map/
Proceed to step 2.
For iOS users:
Search from App Store and install “Locate”.
Proceed to step 4.
For Android users:
Search from Google Play and install “Locate”.
Proceed to step 4.
2Double-click “setup.exe” downloaded.
The setup wizard will appear.
3Follow the on-screen instructions to install
“Locate” onto the control device.
After the installation is complete, the “Locate” icon will appear
on the desktop.
4Check that the CU and the control device are
connected to the same network, and that the
power of the CU is ON, then double-click the
“Locate” icon.
“Locate” starts up. CUs connected to the network are detected
automatically.
5Select the CU you want to control via Web
Remote, then click [Open].
The Web Remote login screen appears.
• When the [Identify] icon is clicked, the icon lights red
and the indicators blink on the front panel of the selected
CU. This function is useful if there are multiple CUs in
the system and you want to identify a CU, such as when
you select the CU you want to control from the CUs
displayed in the “Locate” list.

5
Configuring and Operating Conferences Using the Web
Remote Control Function
About Web Remote
Overall structure of Web Remote
From the Home screen below, you can access the 3 main menus.
3. Operating and
controlling conferences
(Start Conference)
→Select this to start a
conference using the
current settings.
1. Configuring detailed
settings of the system
(Settings & Maintenance)
2. Preparing for conferences (Setup Conference)
→Select this to recall and adjust the preset settings as
necessary before starting a conference.
1. Configuring detailed settings of the system
(Settings & Maintenance) (
➤
page 7):
Under [Settings & Maintenance], the following 5 sub-menus are
available for configuring detailed settings of the entire system.
[System Settings] (
➤
page 8)
Allows you to set the unit name and a login password as well as
access authority setting, and configures network-related
settings.
You can also update the firmware from here.
[Install Settings] (
➤
page 16)
Allows you to select conference mode (
➤
page 20).
You can also configure advanced CU audio input/output
settings and recording settings.
Furthermore, you can configure DU detail settings, such as
speaker settings and LED color, for each DU and the
interpretation settings for each INT.
[Presets] (
➤
page 30)
Allows you to save settings configured from [Install Settings] as
presets and to recall those settings. You can also export the
desired preset setting and import it to another CU.
[Logging] (
➤
page 31)
Allows you to turn the logging function on/off and download a
log file.
[System Info] (
➤
page 31)
Displays the network setting information and firmware version.
2. Preparing for conferences (Setup Conference)
(
➤
page 32):
Follow the 3 steps below to prepare for a conference.
[Recall Preset] (
➤
page 32)
Select the desired preset conference setting according to the
upcoming conference.
To handle many different types of conferences using one
conference system, it is recommended to preset multiple types
of conference settings.
[Conference Settings] (
➤
page 32)
According to the upcoming conference, set the [Conference
Mode] (
➤
page 20), which defines the talk method, and then
configure the detailed settings.
[DU/IU Settings] (
➤
page 33)
For each DU/IU connected to the system, set the attendee name
and configure the audio settings and priority setting.
3. Operating and controlling conferences (Start
Conference) (
➤
page 34):
Operate and control the conference by switching the screen
among the following 3 screens.
[Conference Manager] (
➤
page 34)
Displays an attendee (DU) list. The list shows information
including the attendee names, priority setting status and talk
request status. Furthermore, you can permit the attendees to
talk.
[Audio Control] (
➤
page 35)
Configure the primary output settings and perform audio-
related operations such as buzzer playback and conference
recording operations.
[Conference Settings] (
➤
page 35)
You can change detailed settings such as conference mode even
during the conference.

6
Starting up Web Remote and
preparing for operations
This chapter explains the Web Remote startup operation and the
header always displayed on the top of the screen.
Starting up and logging in to Web
Remote
1Display the Web Remote login screen.
To log in to Web Remote from “Locate”:
(1) Follow steps 4 to 5 in “Setting up ‘Locate’” (
➤
page 4).
Web Remote starts up and the login screen appears.
To log in to Web Remote without using “Locate”:
NOTICE • Check that the CU is connected to the same network
as the control device. When using a control device
with a network terminal, you can also directly
connect the CU to the control device using an
Ethernet cable (
➤
ATUC-50/ATUC-IR Instruction
Manual (Main Unit Edition)).
(1) From the CU Set Menu →
System Info
→
IP Address
, check
the IP address of the CU (
➤
ATUC-50/ATUC-IR
Instruction Manual (Main Unit Edition)).
(2) Run the browser and type the IP address you checked in
step (1) in the address bar.
Web Remote starts up and the login screen appears.
2Select [Operator] or [Administrator], then click
[Login].
To change the language, click [▼] next to the language display
to expand the drop-down list and select the desired language.
The [Operator] access authority can be set from [System
Settings] → [User Access] → [Operator Access Settings] (
➤
page
10).
When a login password (
➤
page 10) is already set, enter the
password on the password input screen.
After successfully logging in to Web Remote, the Home screen
appears.
About Web Remote Home screen
• Depending on the [Operator] access authority setting,
[Settings & Maintenance] may not appear on the Home
screen.
Header always displayed on
the screen.
Access each screen (
➤
page 7).
About the display items on the header:
ATUC-50
①
② ③ ④
⑤ ⑥
ATUC-IR
①
③④ ②
⑤ ⑥
①Displays the screen name (e.g. Home).
②Displays the recalled preset conference name (
➤
page 30). If
some changes have been applied to the recalled preset, the preset
characters will appear in white color. Or, you can recall and save
presets.
③Displays various indicators (
➤
ATUC-50/ATUC-IR Instruction
Manual (Main Unit Edition)). If any problem occurs, “▲”
appears below the corresponding indicator. Placing the cursor
over the indicator will display the pop-up screen which shows
the details of the problem.
④Displays the name of the unit such as ATUC-50CU which is
being controlled via Web Remote.
⑤Home button: Click to return to the Home screen.
⑥Logout button: Click to display the currently logged-in authority
and the logout menu.

7
Configuring detailed system settings
([Settings & Maintenance])
From this menu, detailed system settings can be configured. Utilities
for troubleshooting and maintenance are also available.
How to operate the [Settings &
Maintenance] menu
1On the Web Remote Home screen, click [Settings
& Maintenance].
2From the 5 menu items on the left, click the item
you want to configure.
3Change the settings as necessary, then click
[Apply].
• The buttons displayed may vary depending on the screen.
• On screens where value changes are immediately applied,
such as on audio-related setting screens, the [Apply]
button may not appear.

8
Menu item ①([System Settings])
The setting values and default setting of each item which you can set from [System Settings] are as follows.
is the name of an item displayed on the CU display.
Items with are included in the preset settings.
General Settings ([General])
Item name Description and setting values (default settings are shown in bold)
50CU IRCU IRCUDAN
Device Name
Name Displays the name of the unit being controlled via Web Remote.
ATUC-50CU / ATUC-IRCU ✔✔✔
Header Color Set the header color that is displayed together with the device name. －✔ ✔
CU Link Settings
Link Port Setting
Link Port Set
Switch the terminal setting between CU LINK A/B terminals and DU CHAIN
C/D terminals.
CU A/B, DU C/D
✔✔✔
Primary/Extension
CU Link Mode
Set the dependency relationship of each CU (Primary/Extension) when
multiple CUs are cascade-connected.
Primary, Extension Pass-Through, Extension Last Unit
NOTICE • When using only one CU without a CU Link connection, be
sure to set [CU Link Setting] to [Primary]. If [CU Link Setting]
is set to [Extension], we do not assume responsibility for any
unexpected consequences that may occur.
✔－ －
CU Display/LED
Error Notification
CU Error Notice
Set whether to show error notices on the CU’s display, and to have the LED on
the ATUC-MIC flash when an error occurs.
On, Off
✔✔✔
Network Settings ([Network])
• After changing the network setting item(s), restart the CU to enable the setting values.
Item name Description and setting values (default settings are shown in bold)
50CU IRCU IRCUDAN
Network Configuration
Mode
Config Mode
Set the network configuration mode to match the environment.
Switched, Redundant Audio, Split － － ✔
Latency
Latency
Set the latency for Dante port.
250usec, 500usec, 1msec, 2msec, 5msec － － ✔
Dante & Audio Port Settings
IP Config Mode (Primary)
IP Config Mode
Specify the IP address-acquiring method.
Auto: IP address is assigned by a DHCP server or the like.
Static: Specify static IP address. This enables you to specify the IP address,
subnet mask, and gateway address.
－ － ✔
IP Address (Primary)
IP Address
Displays the primary IP address.
Does not display when [IP Config Mode] is set to [Auto]. － － ✔
Subnet Mask (Primary)
Subnet Mask
Displays the primary subnet mask.
Does not display when [IP Config Mode] is set to [Auto]. － － ✔
Gateway Address (Primary)
Gateway Address
Displays the primary gateway address.
Does not display when [IP Config Mode] is set to [Auto]. － － ✔

9
IP Settings (Secondary)
Do the secondary IP settings.
The settings for the various items are the same as for primary.
Only displayed when the network configuration [Mode] is set to [Redundant
Audio].
－ － ✔
IP Control & Web Remote Port
Settings IP Settings is displayed when the Dante PCB Assy is not connected.
IP Config Mode
Specify the IP address-acquiring method.
Auto: IP address is assigned by a DHCP server or the like.
Static: Specify static IP address. This enables you to specify the IP address,
subnet mask, and gateway address.
✔✔✔
IP Address Displays the IP address.
Does not display when [IP Config Mode] is set to [Auto]. ✔✔✔
Subnet Mask Displays the subnet mask.
Does not display when [IP Config Mode] is set to [Auto]. ✔✔✔
Gateway Address Displays the gateway address.
Does not display when [IP Config Mode] is set to [Auto]. ✔✔✔
Allow Discovery Enable/disable automatic detection from “Locate”.
On, Off ✔✔✔
IP Control Settings
Port Number
IP Ctrl Port No
Displays the IP control port number.
00001-65535 (17300)✔✔✔
Notification
IP Ctrl Ntfy
Enable/disable notification from the device during IP control.
On, Off ✔✔✔
Audio Level Notification
Audio Level Ntfy
Enable/disable notification of the audio level from the device when IP control
is enabled.
On, Off
✔✔✔
Multicast Address
M-cast Adrs
Specify multicast address.
0.0.0.0 - 255.255.255.255 (225.0.0.100)✔✔✔
Multicast Port Number
M-cast Port No
Specify multicast port number.
00001-65535 (17000)✔✔✔
Auto Mode Change When Network
Connection Lost
Enabled
Auto Mode Change
Automatically switches the conference mode to [Free Talk] Mode when a
network error occurs while operating in [Full Remote] Mode.
On, Off
✔✔✔
Hold time
Hold Time (Err)
Set the time interval until [Full Remote] Mode switches to [Free Talk] Mode
after a network error occurs.
20, 30, 40 sec
• During Web Remote control, the time interval may be longer by
up to 15 seconds.
✔✔✔
NTP Settings
Enabled
NTP
Enable/disable NTP (Network Time Protocol).
On, Off ✔✔✔
Server Address
NTP Adrs
Specify the NTP sever address.
0.0.0.0 - 255.255.255.255 (Empty)✔✔✔
Port Number
NTP Port
Specify the NTP port number.
00001-65535 (123)✔✔✔
Time Zone Specify the time difference to UTC (Coordinated Universal Time).
UTC –12:00 to +14:00; in 0:30 minute increments (00:00)✔✔✔
Daylight Saving Time
DST
Enable/disable the daylight saving time option.
On, Off ✔✔✔
Start Date & Time
DST Start Date
DST Start Time
Set the start date and time for daylight saving time.
1/1 - 12/31 (3/27)
0:00 - 23:00; in 1 hour increments (2:00)
✔✔✔

10
End Date & Time
DST End Date
DST End Time
Set the end date and time for daylight saving time.
1/1 - 12/31 (10/30)
0:00 - 23:00 (2:00)
✔✔✔
Infrared Settings ([Infrared])
Item name Description and setting values (default settings are shown in bold)
50CU IRCU IRCUDAN
Infrared Settings
IRDU to Detect on System Start
IRDU NoToDetect
Set the number of IRDU that are found when starting up.
50 －✔ ✔
Limit NOM to Enabled IR Bands
Limit NOM
Set whether to reflect IRDU NOM on NOM for conference settings also.
On, Off －✔ ✔
IRDU Band
Active The indicator for the band that is active lights red. －✔ ✔
Frequency Displays the frequency for each band. －✔ ✔
Enabled
IRDU Band Sets enable or disable for each band. －✔ ✔
User Access Settings ([User Access])
Item name Description and setting values (default settings are shown in bold)
50CU IRCU IRCUDAN
Login Password
Administrator Password
Admin.Pwd.Login
Enable/disable login password requirement for Administrator.
On, Off ✔－ －
Admin.Password Set a login password for Administrator.
4 to 8 alphanumeric characters (Empty)✔－ －
Operator Password
Opr.Pwd.Login
Enable/disable login password requirement for Operator.
On, Off ✔－ －
Opr.Password Set a login password for Operator.
4 to 8 alphanumeric characters (Empty)✔－ －
Administrator Access Settings
Login Password
Admin.Pwd.Login
Enable/disable login password requirement for Administrator.
On, Off －✔ ✔
Admin.Password Set a login password for Administrator.
4 to 8 alphanumeric characters (Empty) －✔ ✔
Operator Access Settings Configure settings of access authority granted to Operator.
Home Page
Start Conference
Setup Conference
Enable/disable function limitation for conference preparation ([Setup
Conference]) and conference operation and control ([Start Conference]).
Full, Limited
✔－ －
Settings & Maintenance
Allow/restrict access to detailed settings ([Settings & Maintenance]). When
this item is set to [No], the [Settings & Maintenance] button will not appear
on the Home screen.
Yes, No
✔－ －
Settings & Maintenance
CU Display Menu
Enable/disable access authority for detailed setting of each item ([Settings &
Maintenance] on Web Remote,
Set
on the CU display).
Install Settings Yes, No ✔－ －
Presets Yes, No ✔－ －

11
Logging Yes, No ✔－ －
System Info Yes, No ✔－ －
Operator 1 Access Settings
Name Set a name for the rights of Operator 1.
Operator 1 －✔ ✔
Login Password Enable/disable login password requirement for Operator 1.
On, Off －✔ ✔
Operator Password
Opr.Pwd.Login
Enable/disable login password requirement for Operator.
On, Off －✔ ✔
Opr.Password Set a login password for Operator.
4 to 8 alphanumeric characters (Empty) －✔ ✔
Home Page
Start Conference
Setup Conference
Enable/disable function limitation for conference preparation ([Setup
Conference]) and conference operation and control ([Start Conference]).
Full, Limited
－✔ ✔
Settings & Maintenance
Allow/restrict access to detailed settings ([Settings & Maintenance]). When
this item is set to [No], the [Settings & Maintenance] button will not appear
on the Home screen.
Yes, No
－✔ ✔
Settings & Maintenance
CU Display Menu
Enable/disable access authority for detailed setting of each item ([Settings &
Maintenance] on Web Remote, Set on the CU display). Rights can be set for
each of the menus.
System Settings Only administrators can do system settings.
No －✔ ✔
Install Settings Yes, No －✔ ✔
Presets Yes, No －✔ ✔
Logging Yes, No －✔ ✔
System Info Yes, No －✔ ✔
Operator 2 Access Settings
Enabled Sets enable or disable for Operator 2.
On, Off －✔ ✔
Name Set a name for the rights of Operator 2.
Operator 2 －✔ ✔
Login Password Enable/disable login password requirement for Operator 2.
On, Off －✔ ✔
Home Page
Start Conference
Setup Conference
Enable/disable function limitation for conference preparation ([Setup
Conference]) and conference operation and control ([Start Conference]).
Full, Limited
－✔ ✔
Settings & Maintenance
Allow/restrict access to detailed settings ([Settings & Maintenance]). When
this item is set to [No], the [Settings & Maintenance] button will not appear
on the Home screen.
Yes, No
－✔ ✔
Settings & Maintenance Set the access authority in detailed setting ([Settings & Maintenance] on Web
Remote). Rights can be set for each of the menus.
System Settings Only administrators can do system settings.
No －✔ ✔
Install Settings Yes, No －✔ ✔
Presets Yes, No －✔ ✔
Logging Yes, No －✔ ✔

12
System Info Yes, No －✔ ✔
CU Display Home Menu Settings Limited to the initial menu displayed by OLED.
Rights can be set for each of the menus.
Level Yes, No －✔ ✔
Rec Yes, No －✔ ✔
Preset Yes, No －✔ ✔
Utilities ([Utilities])
The following operations can be performed from [System Settings].
Item name Description and operation procedure
50CU IRCU IRCUDAN
ATUC-50CU Firmware Update
Updates the CU firmware.
Settings & Maintenance
Preset Monthly Sales Meeting
General
Network
User Access
Utilities
System Settings
Install Settings
Presets
Logging
System Info
ATUC-50
Browse Update
Browse Updatefirmware_DU_v104
All
ATUC-50CU Firmware Update
ATUC-50DU Firmware Update
12345678
16020431
16020432
16020433
Serial Number
1.0.3
Firmware Version
ATUC-50CU
Device Name
firmware_CU_v104
Serial Number
1.0.4
1.0.3
1.0.3
Firmware Version
Raj Kumer
16020434 1.0.4Lee Kim
16020435 1.0.4Miguel Silva
AlexanderSminov
Ben Muller
Delegate Name
ATUC-50IU Firmware Update
①
③②
①Check the [Serial Number], [Device Name], and the current [Firmware
Version] on the screen to be sure that the displayed CU is the one you want
to update.
②Click [Browse] to display the file select screen and select the version
upgrade file.
Click [Open] to start loading the file.
③When the loading is complete, [Update] will be selectable. Click [Update].
④After the confirmation message appears on the pop-up screen, click [Yes] to
perform the update.
When the update is complete, [Completed. Device will automatically reboot
momentarily.] will appear and the CU will automatically restart in 3
seconds.
✔－ －

13
ATUC-IR Control Unit Firmware
Update
Updates the IRCU firmware (same as ATUC-50CU firmware update).
①
③
②
①Check the [Serial Number], [Device Name], and the current [Firmware
Version] on the screen to be sure that the displayed CU is the one you want
to update.
②Click [Browse] to display the file select screen and select the version
upgrade file.
Click [Open] to start loading the file.
③When loading is complete, [Update] can be selected. Click [Update].
④After the confirmation message appears on the pop-up screen, click [Yes] to
perform the update.
When the update is complete, [Completed. Device will automatically reboot
momentarily.] will appear and the CU will automatically restart in 3
seconds.
－✔ ✔
ATUC-IR Infrared Firmware
Update
Updates the firmware related to infrared for IRCU.
①
③
②
①Check the [Serial Number], [Device Name], and the current [Firmware
Version] on the screen to be sure that the displayed CU is the one you want
to update.
②Click [Browse] to display the file select screen and select the version
upgrade file.
Click [Open] to start loading the file.
③When loading is complete, [Update] can be selected. Click [Update].
④After the confirmation message appears on the pop-up screen, click [Yes] to
perform the update.
When the update is complete, [Completed. Device will automatically reboot
momentarily.] will appear and the CU will automatically restart in 3
seconds.
－✔ ✔

14
ATUC-50DU Firmware Update
Updates the DU firmware.
①
③
②
①Click the checkbox next to the [Serial Number], [Delegate Name], and the
current [Firmware Version] of each DU you want to update.
When you want to select all DUs, click [All] on the upper left of the DU
Firmware Update section on the screen.
②Click [Browse] to display the file select screen and select the version
upgrade file.
Click [Open] to start loading the file.
③When the loading is complete, [Update] will be selectable. Click [Update].
④After the confirmation message appears on the pop-up screen, click [Yes] to
perform the update.
When the update is complete, [Completed. Please turn power off.] will
appear.
⑤Turn off the power of the CU to restart it.
✔✔✔
ATUC-50IU Firmware Update
Update the IU firmware.
①
③
②
①Confirm that [Serial Number], [Delegate Name], and the current [Firmware
Version] appear on the screen, and then select the check box on the left side
of the IU units that you want to update.
If you want to update all of the IUs, click [All] at the top right.
②Click [Browse] to display the file select screen and select the version
upgrade file.
Click [Open] to start loading the file.
③When the loading is complete, [Update] can be selected. Click [Update].
④After the confirmation message appears on the pop-up screen, click [Yes] to
perform the update.
When the update is complete, [Completed. Please turn power off.] appears.
⑤Turn off the power of the CU, and then restart it.
✔✔✔

15
ATUC-50INT Unit Firmware Update
Updates the INT firmware.
①
③
②
①Click the checkbox next to the [Serial Number], [Delegate Name], and the
current [Firmware Version] of each INT you want to update.
When you want to select all INTs, click [All] on the upper left of the INT
Unit Firmware Update section on the screen.
②Click [Browse] to display the file select screen and select the version
upgrade file.
Click [Open] to start loading the file.
③When the loading is complete, [Update] will be selectable. Click [Update].
④After the confirmation message appears on the pop-up screen, click [Yes] to
perform the update.
When the update is complete, [Completed. Please turn power off.] will
appear.
⑤Turn off the power of the CU to restart it.
✔✔✔
Language Pack Installation
Installs the language pack.
①Select the bank onto which you want to install the language pack.
②Click [Browse] to display the file select screen and select the language file
you want to install.
③Click [Install] to install the language pack.
When the installation is complete, [Completed. You will be automatically
logged out momentarily.] will appear and you will be automatically logged
out of Web Remote in 2 seconds.
To continue the operation, log in to Web Remote again.
✔✔✔
Reset All Settings to Default
Reset All Dflt.
Restores 50CU/50DU/50IU/50INT/IRCU/IRCUDAN to the default settings
(this does not change the firmware version).
①When [Do you really want to reset all settings to default?] appears, click
[Yes]. The confirmation message will appear again.
②Click [Yes] to restore the default settings.
[Completed. Please turn power off.] will appear.
③Turn off the power and restart the 50CU/IRCU/IRCUDAN.
✔✔✔

16
Menu item ②([Install Settings])
The setting values and default setting of each item you can set from [Install Settings] are as follows.
The item names with on the left are the names displayed on the CU display.
Items with are included in the preset settings.
CU Audio Settings ([CU Audio])
Item name Description and setting values (default settings are shown in bold)
50CU IRCU IRCUDAN
Input Settings Set the type and level for the Mic/Line audio inputs 1 and 2. 1 and 2 can be
configured individually.
Mic/Line 1-2
Type
Input Type
Set the input type.
Mic, Line +4dBu, Line 0dBV, Dante*
* Displayed only when Dante PCB Assy is connected.
✔✔✔
Input Gain Set the input gain of the Mic inputs (only when [Type] is set to [Mic]).
–24 to +20dB (0dB)✔✔✔
Level
Set the Mic/Line input level. The level can be set individually for each input
type (Mic, Line, or Dante).
–∞, –120 to +10dB (0dB)
✔✔✔
Level Meter Displays the input level with a level meter. ✔✔✔
EQ Library
Select the EQ pattern for the Mic/Line inputs. The EQ pattern can be selected
for each input type (Mic, Line, or Dante).
Flat
HH Dyn M: Dynamic Handheld Microphone for Male
HH Dyn F: Dynamic Handheld Microphone for Female
HH Cond M: Condenser Handheld Microphone for Male
HH Cond F: Condenser Handheld Microphone for Female
Lavalier M: Lavalier Microphone for Male
Lavalier F: Lavalier Microphone for Female
(IP Remote (*1))
BP892 M (*2), BP892 F (*2), AT898 M (*2), AT898 F (*2), AT899 M (*2),
AT899 F (*2), AT831 M (*2), AT831 F (*2)
*1: [IP Remote] appears when the equalizer is adjusted from [IP Remote]. [IP
Remote] cannot be selected from the drop-down list.
*2: IRCU and IRCUDAN only
✔✔✔
Low Cut Enable/disable low frequency reduction for the Mic input.
On, Off ✔✔✔
Phantom
Phantom Power
Enable/disable phantom power (+48V).
On, Off ✔✔✔
Can Be Muted Set whether to allow muting.
On, Off －✔ ✔
Mix to Floor Set whether to mix the input sound to the floor channel.
On, Off ✔✔✔
Mix to Language 1
(Only Mic/Line 1)
Set whether to mix the voice being input with Language 1.
On, Off ✔✔✔
Mix to Language 2
(Only Mic/Line 2)
Set whether to mix the voice being input with Language 2.
On, Off ✔✔✔
Aux Configure the external input settings for ATUC-50, such as audio type and
level.
Type
Input Type
Set the nominal level of the external input.
0dBV, –10dBV, –20dBV ✔－ －
Level Set the input level of the external input.
–∞, –120 to +10dB (0dB)✔－ －
Level Meter Display the input level with a level meter. ✔－ －
Low Cut Enable/disable low frequency reduction for the external input.
On, Off ✔－ －

17
Mix to Floor Set whether to mix the external input sound to the floor channel.
On, Off ✔－ －
Mix to Language 1 Set whether to mix the voice being input with Language 1.
On, Off ✔－ －
Mix to Language 2 Set whether to mix the voice being input with Language 2.
On, Off ✔－ －
Aux Configure the external input settings for ATUC-IR, such as audio type and
level.
Type
Input Type
Set the external input type.
Analog, Dante －✔ ✔
Input Gain
Set the nominal level of the external input. Displayed when [Type] is set to
[Analog].
Line 0dBV, –10dBV, –20dBV
－✔ ✔
Level
Level
Set the input level of the external input.
–∞, –120 to +10dB (0dB)－✔ ✔
Level Meter Displays the input level on a level meter. －✔ ✔
Low Cut Enable/disable low frequency reduction for the external input.
On, Off －✔ ✔
Mix to Floor
Mix to Floor
Set whether to mix the external input sound to the floor channel.
On, Off －✔ ✔
Mix to Language 1 Set whether to mix the voice being input with Language 1.
On, Off －✔ ✔
Mix to Language 2 Set whether to mix the voice being input with Language 2.
On, Off －✔ ✔
Return 1-2 Configure the level of the return input for ATUC-50 and the EQ pattern for the
return input.
Type Set the nominal level of the return inputs.
+4dBu, 0dBV ✔－ －
Level Set the input level of the return input.
–∞, –120 to +10dB (0dB)✔－ －
Level Meter Displays the input level with a level meter. ✔－ －
Low Cut Enable/disable low frequency reduction for the return input.
On, Off ✔－ －
Return 1-2 Configure the level of the return input for ATUC-IR and the EQ pattern for the
return input.
Input Gain Set the nominal level of the return inputs.
+4dBu, Line 0dBV －✔ ✔
Level Set the input level of the return input.
–∞, –120 to +10dB (0dB)－✔ ✔
Level Meter Displays the input level on a level meter. －✔ ✔
Low Cut Enable/disable low frequency reduction for the return input.
On, Off －✔ ✔
Group settings
Gain share
Bypass
Set whether to bypass the gain share.
Group 0: On, Off
Group 1 to Group 3: On, Off
✔✔✔
FBS
On
Configure the feedback suppressor (FBS) settings. Selecting the check box sets
FBS of the corresponding [Audio Group] to [On] and makes the setting button
() selectable. Click the setting button ( ) to open the [Feedback
Suppression Settings] screen and configure advanced settings.
Group 0: On, Off
Group 1 to Group 3: On, Off
✔✔✔

18
Feedback Suppression Settings
Frequency *
Detects feedback and displays the frequency with the notch filter applied.
When [Static] is set to [Off], the frequency dynamically changes according to
feedback detected.
* When [Static] is set to [On], the [Frequency] value is included in the preset
setting as the frequency of the static filter.
✔✔✔
Fixed Lock the filter frequency by switching to the static filter.
On, Off ✔✔✔
Reset Unlock all locked frequencies. ✔✔✔
Detection Configure the detection sensitivity of feedback frequency.
Low, Mid, High ✔✔✔
Response Configure the detection speed of feedback frequency.
Slow, Fast ✔✔✔
Group 0: Mix to Floor Mix the voice of [Group 0] with the Floor.
On, Off ✔✔✔
Group 1: Mix to Language 1 Mix the voice of [Group 1] with Language 1.
On, Off ✔✔✔
Group 2: Mix to Language 2 Mix the voice of [Group 2] with Language 2.
On, Off ✔✔✔
Group 3: Mix to Language 3 Mix the voice of [Group 3] with Language 3.
On, Off ✔✔✔
Output Settings Configure the output audio-related settings for each of OUTPUT terminals 1
to 4.
Output Destination 1 - 4 ✔✔✔
Source
Set the audio source to output.
Floor, Group 0, Group 1, Group 2, Group 3, Language 1, Language 2, Language
3
(The default settings are as follows:
Output 1: Floor, Output 2: Group 1, Output 3: Group 2, Output 4: Group 3)
✔✔✔
PEQ
(Output 1 only)
Configure the parametric equalizer (PEQ) settings. Ticking the checkbox sets
PEQ of the corresponding output to [On] and makes the setting button ( )
selectable. Click the setting button ( ) to open the [PEQ Settings] screen
and then configure settings for each of bands 1 to 8.
PEQ Enabled Switch the PEQ setting between on and off.
On, Off ✔✔✔
Frequency
(Band#1 - Band#8)
Set the frequency for each of [Band#1] to [Band#8].
20Hz to 20kHz
(The default setting for each of [Band#1] to [Band#8] is as follows.
25, 63, 160, 400, 1000, 2500, 6300, 16000)
✔✔✔
Gain
(Band#1 - Band#8)
Set the gain for each of [Band#1] to [Band#8].
–18dB to +10dB; adjustable in 0.5dB increments (0dB)
• For [Band#1], [Gain] is configurable only when [Filter Type] is
set to [LSH] or [PEQ].
• For [Band#8], [Gain] is configurable only when [Filter Type] is
set to [HSH] or [PEQ].
✔✔✔
Q
(Band#1 - Band#8)
Set the Q value for each of [Band#1] to [Band#8].
• For [Band#1] and [Band#8], the Q value is configurable only
when PEQ is enabled.
0.3 to 30 (10)
✔✔✔
Filter Type
(Band#1)
Set the filter type for [Band#1].
HPF, LSH, PEQ ✔✔✔
Filter Type
(Band#8)
Set the filter type for [Band#8].
LPF, HSH, PEQ ✔✔✔
Reset Restores specified band to the factory default settings. ✔✔✔

19
Reset All Restores all bands to the factory default settings. ✔✔✔
DYN
(Output 1 only)
Configure the DYN (dynamics) settings. Ticking the checkbox sets DYN of
Output 1 to [On] and makes the setting button ( ) selectable. Click the
setting button ( ) to open the [Dynamics Settings] screen and then configure
various settings as follows.
Enabled Enable/disable the dynamics settings.
On, Off ✔✔✔
Output 1 Level Displays level of output 1 on a meter. ✔✔✔
Gain Reduction Displays audio compressed by the compressor in real time. ✔✔✔
Comp/De-Esser Changes the dynamics mode.
Comp, De-Esser －✔ ✔
Comp Threshold
Configure the compressor threshold. The compressor functions only for audio
signals exceeding the specified value. Displayed when [Comp/De-Esser Mode]
is set to [Comp], for IRCU/IRCUDAN.
–60 to 0dB (–10)
✔✔✔
Ratio
Set the compression ratio. Displayed when [Comp/De-Esser Mode] is set to
[Comp], for IRCU/IRCUDAN.
1.4:1, 2:1, 4:1, 6:1, 10:1, ∞:1
✔✔✔
Attack Time
Set the delay for the start of compression after audio signals exceed the
threshold. Displayed when [Comp/De-Esser Mode] is set to [Comp], for
IRCU/IRCUDAN.
0, 0.25, 0.5, 1, 2, 4, 8, 16, 32, 100msec (1msec)
✔✔✔
Release Time
Set the delay for the end of compression after audio signals fall back within the
threshold. Displayed when [Comp/De-Esser Mode] is set to [Comp], for
IRCU/IRCUDAN.
50, 100, 200, 400, 800, 1000, 2000msec (400msec)
✔✔✔
Gain
Configure the compressor gain.
Displayed when [Comp/De-Esser Mode] is set to [Comp], for IRCU/
IRCUDAN.
–10 to +10dB (0dB)
✔✔✔
Limiter Threshold
Set the limiter threshold.
Audio signals exceeding the specified value will be cut out by the limiter.
Displayed when [Comp/De-Esser Mode] is set to [Comp], for IRCU/
IRCUDAN.
–60 to 0dB (–10)
✔✔✔
Sensitivity
Set the sensitivity of the de-esser.
Displayed when [Comp/De-Esser Mode] is set to [De-Esser].
Soft, Medium, Hard
－✔ ✔
Center Frequency
Set the center frequency of the de-esser.
Displayed when [Comp/De-Esser Mode] is set to [De-Esser].
4.0kHz to 11.0kHz (6.0kHz)
－✔ ✔
Reduction
Set the gain of the de-esser.
Displayed when [Comp/De-Esser Mode] is set to [De-Esser].
Soft, Medium, Hard
－✔ ✔
Level Set the output level.
–∞, –120 to +10dB (–40dB)✔✔✔
Max Volume
(Output 1only)
Set the maximum volume level.
–∞, –120 to +10dB ✔✔✔

20
Conference Settings ([Conference])
Select the conference mode according to the conference operation and control method and configure detailed settings.
• The following setting items are also included in [Setup Conference] where you can configure the same settings.
• [Free Talk]
In this mode, attendees can talk when the (talk) button is pressed or when their DUs automatically detect their voices.
• [Request Talk]
In this mode, attendees request to talk by pressing the (talk) button on the DU and will be permitted to talk by the steering committee.
The steering committee can also reject the talk request.
To operate the conference in this mode, connect the CU to a control device such as a computer.
• [Full Remote]
In this mode, utterances are totally controlled via Web Remote. The DU (talk) button operations will be disabled.
To operate the conference in this mode, connect the CU to a control device such as a computer.
Item name Description and setting values (default settings are shown in bold)
50CU IRCU IRCUDAN
Conference Mode Select the conference mode and configure detailed settings
Conference Mode Select the conference mode.
Free Talk, Request Talk, Full Remote ✔✔✔
Number of Open Mics(*1)
NOM
Set the maximum number of the DUs (speakers) that can talk at the same time.
10 to 1 ✔✔✔
Auto Mic OFF(*1)
Auto Mic Off
Set the time interval until the microphone automatically turns off after the
speaker stops talking (after a soundless state is detected).
5 to 60sec, Off; adjustable in 5-second increments (Off)
✔✔✔
Override Mode (Free Talk
Mode)(*1)
Select the override method(*2) in [Free Talk] Mode.
No Override, FIFO, LIFO ✔✔✔
Override Mode (Request Talk
Mode)(*1)
Select the override method(*2) in [Request Talk] Mode.
FIFO, LIFO ✔✔✔
Override Mode (Full Remote
Mode)(*1)
Select the override method(*2) in [Full Remote] Mode.
FIFO, LIFO ✔✔✔
Maximum in Queue(*1)
Max Queue
Set the maximum number of DUs that can be in talk standby mode at the same
time.
0 to 150 (50 units)
✔✔✔
Mic ON Trigger / Mic ON Trigger
for Priority(*1)
MicON Trigger
Set whether to manually turn on the microphone by pressing the (talk)
button or to automatically turn on the microphone when a voice is detected,
for all DUs.
When [Conference Mode] is set to [Request Talk] or [Full Remote], this item
switches to [Mic ON Trigger for Priority], which is the setting for priority
DUs.
ATUC-50: All Voice, All Button (Individual*)
ATUC-IR, ATUC-IR/DAN: All Voice, All Button Toggle, All Push to Talk
(Individual*)
* The setting value that is displayed is based on the settings for each DU. When
all DUs are set to the same method to turn on the microphone, that mode is
displayed. If there is a mixture of modes, then [Individual] appears. However,
[Individual] cannot be executed as a function.
✔✔✔
Mic ON Hold Time(*1)
MicON Hold Time
Specify the time until the microphone automatically turns off on DUs where
[Mic ON Trigger] is set to [Voice]. The microphone automatically turns off
when the attendee keeps silent for the specified time.
1.0 to 10.0 seconds; adjustable in 0.5-second increments (2.5 seconds)
✔✔✔
Priority Mode Set the operation when the user of the priority DU (
➤
page 23) presses and
holds the DU (talk) button.
Interrupt Option(*1)
Set whether the priority DU user cuts short or temporarily mutes other DU
users by pressing and holding the (talk) button.
Cut, Mute
✔✔✔