Clear-Com HME DX410 User manual

Part Number: 399G162 Rev B
Date: 1/27/16
Clear-Com HME DX410
Dual-Channel Wireless Intercom
User
Guide

2
Copyright © 2015 Clear-Com, LLC, an HM Electronics, Inc. company. All rights reserved.
Clear-Com, the Clear-Com logo and Clear-Com Concert are trademarks or registered trademarks of
HM Electronics, Inc.
The product described in this document is distributed under licenses restricting its use, copying, dis-
tribution, and decompilation/reverse engineering. No part of this document may be reproduced in any
form by any means without prior written authorization of Clear-Com, an HME Company.
Clear-Com Ofces are located in California, USA; Cambridge, UK; Montreal, Canada; and Beijing,
China. Addresses and contact information can be found on Clear-Com’s corporate website at www.
clearcom.com.
Clear-Com Contacts
Americas and Asia-Pacic Headquarters
California, United States
Tel: [phone]
Email: [email protected]
Europe, Middle East, and Africa Headquarters
Cambridge, United Kingdom
Tel: [phone]
Email: [email protected]
Canada Ofce
Quebec , Canada
Tel: [phone]
China Ofce
Beijing Representative Ofce
Beijing, P.R.China
Tel: [phone]

3
FCC NOTICE
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device
may not cause harmful interference, and (2) This device must accept any interference received, including interference
that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part
15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio
communication. Operation of this equipment in a residential area is likely to cause harmful interference, in which case
the user will be required to correct the interference at his own expense.
Changes or modications not expressly approved by Clear-Com, LLC, an HM Electronics, Inc. company could void the
user’s authority to operate this equipment.
MANDATORY SAFETY INSTRUCTIONS
FOR INSTALLERS AND USERS
Use only manufacturer or dealer supplied antennas. The Federal Communications Commission has adopted a safety
standard for human exposure to RF (Radio frequency) energy, which is below the OSHA (Occupational Safety and
Health Act) limits.
The term “IC:” before the certication/registration number only signies that the Industry Canada technical
specications were met.
Base Station Antenna minimum safe distance: 7.9 inches (20 cm) at 100% duty cycle.
Base Station Antenna gain: This device has been designed to operate with an antenna having a maximum gain of up to
7dBi.
Antenna mounting: The antenna(s) used for the base transmitter must be installed to provide a separation distance of at
least 7.9 inches (20 cm) from all persons and must not be co-located or operating in conjunction with any other antenna
or transmitter.
Antenna substitution: Do not substitute any antenna for the one supplied by the manufacturer. You may be exposing
person or persons to excess radio frequency radiation. You may contact your dealer or the manufacturer for further
instructions.
WARNING: Maintain a separation distance from the base station transmit antenna to a person(s) of at least 7.9 inches
(20 cm) at 100% duty cycle.
WARNING: Excessive sound pressure level from earphones or headphones can cause hearing loss. You, as the
qualied end-user of this radio device must control the exposure conditions of bystanders to ensure the minimum
separation distance (above) is maintained between the antenna and nearby persons for satisfying exposure
compliance. The operation of this transmitter must satisfy the requirements of Occupational /Controlled Exposure
Environment, for work-related use. Transmit only when person(s) are at least the minimum distance from the properly
installed, externally mounted antenna.

4
Hereby, Clear-Com, LLC, an HM Electronics, Inc, company, declares that the DX410 is in compliance with the essential
requirements and other relevant provisions of R&TTE Directive 1999/5/EC. In AFH mode, complies with European
Telecommunications Standards Institute (ETSI) harmonized European standard EN 300 238 v1.8.1.
This product operates in the 2400 to 2483.5 MHz frequency range. The use of this frequency range is not yet harmonized
between all countries. Some countries may restrict the use of a portion of this band or impose other restriction relating to
power level or use. You should contact your Spectrum authority to determine possible restrictions.
WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE)
The European Union (EU) WEEE Directive (2002/96/EC) places an obligation on producers (manufacturers, distributors
and/or retailers) to take-back electronic products at the end of their useful life. The WEEE Directive covers most Clear-
Com products being sold into the EU as of August 13, 2005. Manufacturers, distributors and retailers are obliged to
nance the costs of recovery from municipal collection points, reuse, and recycling of specied percentages per the
WEEE requirements.
Instructions for Disposal of WEEE by Users in the European Union
The symbol shown below is on the product or on its packaging which indicates that this product was put on the market
after August 13, 2005 and must not be disposed of with other waste. Instead, it is the user’s responsibility to dispose of
the user’s waste equipment by handing it over to a designated collection point for the recycling of WEEE. The separate
collection and recycling of waste equipment at the time of disposal will help to conserve natural resources and ensure that
it is recycled in a manner that protects human health and the environment. For more information about where you can
drop off your waste equipment for recycling, please contact your local authority, your household waste disposal service or
the seller from whom you purchased the product.
Clear-Com, LLC, an HM Electronics, Inc. company, is not responsible for equipment malfunctions due to erroneous
translation of its publications from their original English version. Illustrations in this publication are approximate
representations of the actual equipment, and may not be exactly as the equipment appears.

5
TABLE OF CONTENTS
System Overview ...................................................................6
System Components .......................................................................6
Base Station Front Panel....................................................................7
Base Station Rear Panel ....................................................................8
Belt Pack – BP410.........................................................................8
All-In-One Headset – WH410 ................................................................9
System Setup ......................................................................10
Battery Charging ..........................................................................10
Connect AC Power Supply ..................................................................10
Charging the Batteries......................................................................11
Basic Base Station Setup ...................................................................12
COMMUNICATOR® Setup and Registration .....................................................13
Interfacing with 2-Wire or 4-Wire Intercoms .....................................................17
Interfacing with Auxiliary Audio Equipment ......................................................18
ISO Relay ...............................................................................19
System Operation...................................................................20
Base Station Operation .....................................................................20
COMMUNICATOR®Operation .........................................................21
EU BASE STATION Adaptive Frequency Hopping ........................................23
Troubleshooting ....................................................................26
Technical Data .....................................................................27
BS410 Base Station Specications ............................................................27
BP410 Belt Pack Specications ..............................................................28
WH410 All-In-One Headset Specications ......................................................29
Appendix A: COMMUNICATOR®Indicator Light Functions .................................30
BP410 Belt Pack Indicator Lights .............................................................30
WH410 All-In-One Headset Indicator Lights .....................................................30
Appendix B: Multiple Base Station Daisy-Chaining .......................................31
Appendix C: Jumper Settings .........................................................32
ISO Broadcast Restrict .....................................................................32
2-Wire Channel Termination .................................................................32
Appendix D: Interference Avoidance Through Spectrum Friendly ...........................33
Spectrum Friendly .........................................................................34
Avoiding Wi-Fi Interference ..................................................................34
Appendix E: Audio Routing Diagram ...................................................35

6
SYSTEM OVERVIEW
The Clear-Com® HME DX410 is a 2-channel Digital Wireless Intercom System that supports up to 15
COMMUNICATOR®s per base station, either Belt Packs or All-In-One Headsets, or a combination of the two.
Using the DX410 in the 2-channel mode, any three of the 15 Communicators can operate in full duplex mode. In the
single-channel mode, any four Communicators can operate in full duplex mode. This number can be increased by adding
up to three additional base stations. The DX410 supports both Clear-Com and RTS cabled 2-wire intercom systems, and
also has 4-wire and auxiliary audio connections.
System Components
BS410 Base Station
BP410 Belt Pack
AC50 Batteries
Antennas 110/240 Switching Power Supply
AC50 Battery Charger and Power Supply Adapter
WH410
All-In-One Headset

7
Base Station Front Panel
1 3 4 5 7 8 9
10
12
13 16
19
23 24 27
29
30 34 37
14
11 18 20
15 17 22 21
36
26 28 31
32
33 35 38
25
6
Digital Radio Controls
1. POWER switch
2. CLR/BND button
3. RESET button (recessed)
4. STATUS display
5. REG (registration) button
6. UNLATCH button
7. RECEIVE indicator lights
A Controls
8. (A) 2-W output level adjust
9. (A) 2-W input level adjust
10. (A) 2-W indicator light
11. (A) AUTO NULL button (recessed)
12. (A) 2-W/4-W SELECT button
13. (A) 4-W indicator light
14. (A) 4-W input level adjust
15. (A) 4-W output level adjust
B Controls
16. (B) 2-W indicator light
17. (B) 2-W input level adjust
18. (B) 2-W output level adjust
19. (B) 2-W/4-W SELECT button
20. (B) AUTO NULL button (recessed)
21. (B) 4-W input level adjust
22. (B) 4-W output level adjust
23. (B) 4-W indicator light
Auxiliary Controls
24. AUX INPUT SELECT button
25. AUX A INPUT ASSIGN indicator
26. AUX B INPUT ASSIGN indicator
27. AUX IN indicator light
28. AUX INPUT level adjust
29. AUX OUTPUT SELECT button
30. AUX OUT indicator light
31. AUX OUTPUT level adjust
Headset Controls
32. HEADSET A, B & ISO indicator lights
33. HEADSET A, B & ISO SELECT button
34. HEADSET VOLUME knob
35. HEADSET TALK On/Off button
36. HEADSET TALK indicator light
37. HEADSET MIC LEVEL adjust
38. HEADSET cable connector
2

8
Base Station Rear Panel
1 2 3 4 85 6 7 9 10 161311 12 1514
1. ANT (R-TNC)
2. PRIMARY/SECONDARY Select Switch
3. (A) 4-W RJ-45 Connector
4. (A) 2-W XLR-3M Connector
5. (A) 2-W XLR-3F Connector
6. CLEAR-COM/RTS Select Switch
7. (B) 2-W XLR-3F Connector
8. (B) 2-W XLR-3M Connector
9. (B) 4-W RJ-45 Connector
10. SINGLE/DUAL Channel Select Switch
11. AUX IN Connector
12. AUX OUT Connector
13. Relay Connector
14. DC Power Connector
15. ANT (R-TNC)
16. Chassis Grounding Screw
Belt Pack – BP410
1. Battery
2. Volume-up button
3. PWR (Power) button
4. Volume-down button
5. Headset cable connector
6. Battery-release latch
7. Power/mode lights
8. Channel A (Intercom 1) button
9. ISO (Isolate) button
10. Channel B (Intercom 2) button
7 78 9 1021 63 4 5

9
All-In-One Headset – WH410
1. Channel A (Intercom 1) button
2. ISO (Isolate) button
3. Volume-up button
4. Volume-down button
5. Channel B (Intercom 2) button
6. Power/mode lights
7. Microphone
8. Power button
9. Battery
10. Battery-release latch
1 2
3
6
5
8
4 7
9
10

10
SYSTEM SETUP
Displayed below is an example of a typical Clear-Com set up and conguration with the DX410.
Battery Charging
Before installing the system, connect the AC power supply to the battery charger and plug it
into an electrical outlet. Charge all the batteries while the other equipment is being installed.
Charging time is about 2.5 hours.
Connect AC Power Supply
To connect the AC power supply to the battery charger:
1. Connect the AC power supply cable connector to the
power connection on the battery charger.
2. Connect the AC power cord to an electrical outlet.
The red lights on the charger will briey display, and then the yellow
lights will appear and remain on.

11
Charging the Batteries
Up to four batteries can be charged in the battery charger at one time. The battery status lights next to each charging port
indicate the battery status. Up to four fully charged batteries can be stored in the battery Storage ports. Insert a battery in
each of four Charging ports until it clicks in place.
hA yellow light next to a Charging port indicates that the port is EMPTY.
hA red light next indicates that the battery port is CHARGING.
hA green light indicates that the battery is READY.
hA steady yellow light indicates that the CHARGE FAILED. If a charge fails, refer to the instructions on the side
of battery charger.
hA ashing yellow light next indicates CHARGE PENDING, which means the inserted battery is too hot. Adjust
the room temperature or move the charger to a cooler area.
hStore fully charged batteries in storage ports.
NOTE: Batteries should not be left in charge ports after being fully charged. A battery left in a charging port for
more than three weeks may display the yellow indicator light, but it does not indicate a faulty battery.
Batteries in
Charging ports
Batteries in
Storage ports

12
Basic Base Station Setup
This section describes setup and equipment connections for an individual base station.
1. Connect the two enclosed antennas to the antenna connectors on the rear panel of the base station, and turn
the sleeves clockwise on the antenna connectors to tighten them securely in place. Position the antennas at
90° angles from each other.
2. Plug the connector at the end of the AC power supply cord into the +12-14VDC power connector on the rear
panel of the base station (as shown above). Turn the locking nut on the cable connector clockwise to secure it
to the base station. Plug the female connector at one end of the AC power cord into the power supply. Plug the
other end of the AC power cord into an electrical outlet.
3. Set the SINGLE/DUAL Channel select switch for the base station to operate in Single or Dual channel mode.
hIn Single Channel mode, all wireless users will be able to hear each other. Up to four users can talk
simultaneously.
hIn dual channel mode, there are two separate audio channels enabling two groups of users to
independently communicate with each other. Up to three users can talk simultaneously.
NOTE: Any time the mode is changed, the unit must be reset using the RESET button or by power
cycling for the change to take effect.
1. If a local headset will be used, plug it into the HEADSET connector on the front panel of the base station.
NOTE: The connector is keyed, so the headset cable plug cannot be inserted in the wrong direction.
2. Press the POWER switch on the front panel to turn on the base station. A red light on the switch should go on.
Base station rear panel
AC power supply
AC power cord
Headset connectorPower switch
90°
SINGLE/DUAL Channel select switch

13
COMMUNICATOR®Setup and Registration
The rst time you operate the DX410 system, you must register each Communicator (Belt Pack and/or All-In-One
Headset) for use with a specic base station. The base station will then recognize all registered Communicators when
their power is on and will differentiate between them and other electronic equipment operating on the same frequencies.
If a Communicator is added or replaced later, the new one must be registered and the old one remains in memory. A
maximum of 15 Communicators can be registered to a single base station at one time.
Set Up COMMUNICATOR®s
Before registering them, set up all Communicators as follows:
The Belt Pack
hInsert a fully charged battery in each Belt Pack with the metal contacts inserted rst. Slide it in until it snaps.
NOTE: The battery will not slide in if inserted incorrectly. Excessive force should not be necessary.
hPlug the belt pack’s headset cable connector into each Belt Pack.
Volume-Up
button
Power
button
Volume-Down
button
Channel
AISO
Channel
A
Belt clip
Headset
cable plug
Battery RELEASE BATTERY
button
Removing the battery
When a Communicator battery becomes weak, a headset voice
prompt will say “Change battery.”
Press the RELEASE BATTERY button on the belt clip of the
pouch, and use your thumb to slide the battery from the belt-pac.

14
All-In-One Headsets
Adjust the Headset to Your Head Size
You can adjust the head size of the Headset by sliding
the metal headband in or out of its plastic size adjuster.
Place the Headset on your head
1. The headset can be worn with the microphone and
controls on either side of your head.
2. Hold the microphone boom at its base, and adjust
it so that the microphone is near the side of your
mouth.
Metal Band
Size
adjuster
Microphone
adjustment
Changing Batteries
When a battery weakens, a prompt in the headset will say “Change
battery”. Remove the battery from the headset by pressing the blue
battery-release latch.
Insert a fully charged battery in each Headset, with the battery’s
metal contacts inserted rst. Press it in until it snaps.
NOTE: The battery will not slide in if inserted incorrectly. Excessive
force should not be necessary.
Battery
Battery-release latch
(blue button)

15
Register COMMUNICATOR®s
The Communicator must be within 6 feet (1.83 meters) of the base station to enable registration.
1. Be certain all headsets to be registered are turned OFF, and the base station power is ON.
2. Place the headset on your head.
3. Press the REG button on the front panel of the base station. The STATUS display will show a
small “o” for open.
NOTE: If you wait too long before going on to the next step, the base station will exit
registration mode, requiring that you press the REG button again.
4. Press and hold the ISO button on the Communicator while you press and release the
Power button (PWR). After power up, release the ISO button. The Communicator will
enter Registration mode.
On Belt Packs, the two power lights at the corners near the Aand B buttons will
begin blinking red, and then they will blink green two or three times then turn off.
Note: There may be a short delay.
On All-In-One Headsets, the power/mode lights located at the end of the
microphone boom and on the side of the unit near the A button will blink.
Note: There may be a short delay.
If registration is successfully completed:
hA voice prompt in the headset will say “Battery level, begin registration…”.
hAfter a delay of about 15 seconds, the STATUS display will show the ID number assigned to the
Communicator for about 10 seconds.
NOTE: ID numbers are assigned sequentially 0 through 9, then A, b, C, d and E.
hThe power light on the Communicator will display steady green.
If registration failed:
hA voice message in the headset will say “Battery level, begin registration…” Both lights
on the Belt Pack will be blinking red, and there may be a delay of up to 90 seconds
before you hear “Registration failed.”
hPress the RESET button at the lower-left corner of the base station with a pen or similar
pointed object. When the STATUS display becomes blank, press the REG button
and register the Communicator again. If registration fails again, call your dealer for
assistance.
If you try to register more than 15 Communicators:
hAn “F” will appear on the STATUS display on the base station and you will hear “Registration failed”
in the headset.
hClear all current registrations by pressing the CLR/BND button and the RESET button at the same
time. To press the RESET button, insert a pen or similar pointed object into the RESET hole at the
lower-left corner of the base station front panel. Continue holding the CLR/BND button after you
release the RESET button, until the clear code “c” (lower case) appears on the STATUS display.
hRegister all active Communicators, one at a time. Previously registered Communicators must be
re-registered.

16
COMMUNICATOR®Settings
If you want to set up a Communicator with any of the special settings shown below, press and hold the specied button
combinations during or after power up. These settings will remain in memory when the Communicators are turned off and
on again.
For Setting Press & Hold while you Press and Release the Power button
ISO restrict On Abutton
ISO restrict Off A and ISO buttons
Handsfree On selected button(s) Aand/or Band/or ISO and ▲ volume up button
Handsfree Off selected buttons(s) Aand/or Band/or ISO and ▼ volume down button
Listen-Only mode On ▼ volume down button
Listen-Only Off ▲ volume up button
WH410 only *
All-In-One Headset “lights-off” mode Bbutton
* NOTE: All-In-One Headsets can be set up with its indicator lights off, to avoid distraction if users are in an area visible to audience.
This setting is not saved when you power off.
For Setting With the power already on...
Increase mic gain (15 steps) Press B while you repeatedly press the ▲ volume up button
Decrease mic gain (15 steps) Press B while you repeatedly press the ▼ volume down button
BP410 only *
Increase sidetone level (5 steps) Press A while you repeatedly press the ▲ volume up button
BP410 only *
Decrease sidetone level (5 steps) Press A while you repeatedly press the ▼ volume down button
* NOTE: There is no sidetone adjustment function for All-In-One Headsets.
If you are not connecting a wired intercom, go on to System Operation (pg. 20).

17
Interfacing with 2-Wire or 4-Wire Intercoms
2-Wire Intercom Interface
The following 2-wire setup is for Channel 1 (A). If applicable, repeat for Channel 2 (B).
hIf using a 2-wire intercom with the DX410, plug it into the base station 2-W connector at ( 2) or ( 3),
depending on whether a male or female connection is required.
hDepending on whether you are using a Clear-Com® or RTS®compatible 2-wire intercom system, position the
CLEAR-COM / RTS button ( 4) as follows: In position = RTS Mode Out position = Clear-Com Mode
hPress the A SELECT button on the front panel of the base station. The 2-W light next to the button should
turn green.
NOTE: If no power is detected at the 2-W connector, the 2-W light will illuminate red and no audio will be
passed through. Plugging a connection into a Clear-Com or RTS power supply will turn the light green and
operation will begin.
hMake certain there are no open microphones on the wired intercom. If users are wearing headsets, please
notify them of the impending audio sweep prior to auto nulling.
hPress and hold the AUTO NULL button for two seconds. To press the AUTO NULL button, insert a pen or
similar pointed object into the AUTO NULL hole on the front panel of the base station. An audio sweep will
be heard for 25 seconds on the wired Belt Packs. (The 2-W light next to the button should turn amber, then
green.)
hAdjust the 2-W intercom receive and send levels with the A 2-W INPUT control and OUTPUT control.
NOTE: If you are not connecting other equipment, go on to System Operation (pg. 20).
4-Wire Intercom Interface
The following 4-wire setup is for Channel 1 (A). Repeat for Channel 2 (B) if applicable.
hIf using a 4-wire intercom with the DX410, plug it into the base station A
4-W connector ( 1).
hPress the respective SELECT button until the A 4-W light next to the
button goes on.
hAdjust the 4-wire intercom receive and send levels with the A 4-W INPUT
and OUTPUT controls.
1 2 3 4
Base station rear panel
RJ45 Connector Pins Designation
Pins 1, 2, 7 and 8 N/C (reserved)
Pin 3 Intercom Out +
Pin 4 Intercom In +
Pin 5 Intercom In –
Pin 6 Intercom Out –

18
A and B Intercom Controls and Indicator Lights
The A portion of this area of the panel is for Intercom Channel A, and the B portion is for Intercom Channel 2. Their
operation is identical.
hThe SELECT button ( 4) is used to select 2-Wire ( 3) or 4-Wire ( 6) or both. The 2-W indicator light will
display red (muted) if wired intercom power is not detected at the 2-W connector on the rear panel of the base
station. The 2-W indicator light will display green if 2-W equipment which supplies power is plugged into the
2-W connector on the rear panel of the base station, or if the respective bypass jumper inside the unit has
been set.
hThe INPUT controls ( 2and 7) are used to adjust the audio levels going to COMMUNICATOR®s or a local
headset, coming in from 2-W and 4-W equipment connected to the base station.
hThe OUTPUT controls ( 1and 8) are used to adjust the audio levels coming in from Communicators or a
local headset going out to 2-W and 4-W equipment connected to the base station.
hThe AUTO NULL button ( 5) is used to eliminate echo caused by mismatched line characteristics of an
external 2-W system.
CAUTION: Before pressing the AUTO NULL button, be sure there are no open microphones on the wired
system. Use a pen or similar pointed object to depress and hold the AUTO NULL button for 2 seconds.
NOTE: If you are not connecting other equipment, go on to System Operation (pg. 20).
Interfacing with Auxiliary Audio Equipment
ISO Audio can be routed to the AUX OUT connector for page or stage announce.
hIf using auxiliary audio equipment, such as another intercom or an audio player, connect its output cable
connector (male) to the AUX IN connector ( 9), and/or its input cable connector (female) to the AUX OUT
connector ( 10 ).
6 8751 3 42
9 10
The cable connectors must be 3-pin XLR type for balanced +20dBu Pin 1 = Ground maximum audio input/output, with
Pin 2 = Audio + the following pin connections:
Pin 1 = Ground
Pin 2 = Audio +
Pin 3 = Audio –
Base station rear panel
Base station
front panel
11
2 2
33

19
The AUXILIARY SELECT button ( 2) is used to select A or B or both as the destination for AUX IN audio. The A and/
or B INPUT ASSIGN lights ( 1) come on green to indicate the selection as the destination for AUX IN audio. If neither is
selected, AUX IN audio will not be routed to the COMMUNICATOR®s. The AUX IN light must be lit for the INPUT ASSIGN
SELECT function to work.
hIf only AUX IN is used, press the AUX IN/OUT SELECT
button ( 5) until the IN light ( 4) turns on. Listen to the
audio input in your headset as you adjust the INPUT
control ( 3) to the desired level.
hIf only AUX OUT is used, press the AUX IN/OUT
SELECT button ( 5) until the OUT light ( 6) comes on.
Check the audio level on the auxiliary equipment, and
adjust the OUTPUT control ( 7) to the desired level.
hIf the auxiliary equipment requires two-way
communication, have someone listening at the auxiliary
unit. Press the AUX IN/OUT SELECT button ( 5) until
both the IN and OUT lights ( 4and 7) turn on. While
speaking into the headset microphone, adjust the OUT control ( 7) above the light to the desired listening
level at the auxiliary unit. Listen to the audio input in your headset as you adjust the INPUT control ( 3) below
the light to the desired level.
Auxiliary Controls and Indicator Lights:
hThe SELECT button on the right ( 5) is used to select AUX IN (audio from auxiliary equipment
connected to the base station), AUX OUT (audio to the auxiliary equipment from the ISO channel of the
COMMUNICATOR®s and local headset) or both.
hThe IN and OUT lights illuminate green to indicate the selection.
hThe INPUT and OUTPUT controls adjust auxiliary inbound and outbound audio levels.
hThe SELECT button on the left ( 2) is used to select A or B or both as the destination for AUX IN audio. The
A and/or B destination for AUX IN audio. INPUT ASSIGN lights come on green to indicate the selection as the
destination for AUX IN audio.
NOTE: If you are not connecting other equipment, go on to System Operation (next page).
ISO Relay
During ISO communication, a relay closure is provided. This can be used for tasks such as keying a long range radio or
triggering an alert light. It can be activated from a Communicator or a local headset.
1 = Normally closed
2 = Common
3 = Normally Open
4 = not used
5 = Ground
Base station rear panel
1 732 54 6
Base station rear panel

20
SYSTEM OPERATION
This chapter describes how to operate the Base Station and COMMUNICATOR®(Belt Pack or All-In-One Headset).
Base Station Operation
Power Switch
COMMUNICATOR®
Registration
Audio Channel and
Auto-Null Controls
AUX IN Assign and
AUX In/Out Controls
Local Headset
Connector & Controls
System and Registration Controls and Indicator Lights
hThe CLR/BND button, RESET button, STATUS indicator and REG button are used when registering
Communicators. Refer to COMMUNICATOR® Setup and Registration (pg. 13).
hThe UNLATCH button is used by the base station operator to turn off microphones on all Communicator
transmitters.
hThe RECEIVE A, B (Intercoms) and ISO (Isolate) lights indicate whether reception from a Communicator is on
A, B or ISO.
Local Headset Connector, Controls and Indicator Lights
hThe SEL button (Select) is used to select
communication from the local headset to A, B, A &
B, or ISO.
hThe A, B, A & B, or ISO indicator light will be lit for
the selection you made.
hA and B communication will be heard by wireless
users on the respective channel, as well as users
wired into 2-W and 4-W connections.
hISO is heard in both wireless channels, and AUX OUT if activated.
NOTE: When the ISO button is pressed, ISO RELAY is activated.
hThe TALK button (red) is used for communication from the local headset to the selected channel. For open
communication, press and release the TALK button quickly to “latch on.” To “latch off,” press and release the
button again quickly.
For momentary communication, press and hold the TALK button for more than one second. In this mode, the
selected channel will remain open only as long as you are pressing the TALK button. The TALK light indicates
the TALK mode is active via the local headset.
hUse the VOLUME control to adjust the output to the local headset ear piece.
hUse the MIC LEVEL control to adjust the audio level from the local headset microphone.