Clear-Com HME DX121 User Manual

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HME# 400G620 Rev B 6/12/09

DX121

One-to-One Wireless Intercom System

Operating Instructions

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Table of Contents

QUICK REFERENCE GUIDE..........................................................................................................................1

SECTION 1. INTRODUCTION ....................................................................................................................2

TYPICAL DX121 APPLICATIONS.................................................................................................................2

EQUIPMENT IDENTIFICATION....................................................................................................................4

MAIN EQUIPMENT FEATURES....................................................................................................................5

Base Station Features .....................................................................................................................................5

Beltpac Features .............................................................................................................................................6

All-in-One Headset Features..........................................................................................................................6

Speaker Station Features ....................................................................................................... .........................7

SECTION 2. EQUIPMENT SETUP..............................................................................................................8

BASE STATION SETUP...................................................................................................................................8

Basic Base Station Setup................................................................................................................................8

Interference Avoidance.................................................................................................................................10

Multiple Base Station Setup.........................................................................................................................10

BELTPAC / ALL-IN-ONE HEADSET / SPEAKER STATION SETUP AND REGISTRATION.....................13

Set Up Beltpacs ............................................................................................................................................13

Register Beltpacs..........................................................................................................................................13

Set Up All-In-One Headsets.........................................................................................................................15

Register All-In-One Headsets.......................................................................................................................15

Set Up Speaker Stations ...............................................................................................................................17

Register Speaker Stations.............................................................................................................................19

INTERCOM AND RELAY CONNECTIONS................................................................................................22

Intercom Headset Connection ......................................................................................................................22

4-Wire Intercom Connection........................................................................................................................22

Relay Operation............................................................................................................................................22

SECTION 3. EQUIPMENT OPERATION................................................................................................23

BASE STATION OPERATION......................................................................................................................23

BELTPAC OPERATION.................................................................................................................................24

ALL-IN-ONE HEADSET OPERATION.........................................................................................................26

SPEAKER STATION OPERATION...............................................................................................................28

SECTION 4. TROUBLESHOOTING.........................................................................................................31

SECTION 5. TECHNICAL DATA..............................................................................................................32

DX121 EQUIPMENT SPECIFICATIONS......................................................................................................32

BS121 Base Station......................................................................................................................................32

BP200 Beltpac..............................................................................................................................................33

WH200 All-In-One Headset.........................................................................................................................33

WS200 Speaker Station................................................................................................................................33

BASE STATION BLOCK DIAGRAM...........................................................................................................34

SECTION 6. INDEX .....................................................................................................................................35

Illustrations in this publication are approximate representations of the actual equipment, and may not be exactly as the equipment appears.

HM Electronics, Inc. is not responsible for equipment malfunctions due to erroneous translation of its publications fr om their original English version.

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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 modifications not expressly approved by HM Electronics, Inc. could void the users 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 certification/registration number only signifies that the Industry Canada technical

specifications 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 2dBi. 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 or radio dealer. You may be exposing person or persons to excess radio frequency radiation. You may contact your radio 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. You, as the qualified 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 RF 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.

Hereby, HM Electronics, Inc. declares that the DX121 is in compliance with the essential requirements and other relevant provisions of R&TTE Directive 1999/5/EC.

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.

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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 HME products being sold into the EU as of August 13, 2005. Manufacturers, distributors and retailers are obliged to finance the costs of recovery from municipal collection points, reuse, and recycling of specified 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.

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QUICK REFERENCE GUIDE

DX12

Base Station

Connect power ― See page 9

Power

Communicator

Registration

IC/ISO

Indicators

Headset/4-Wire

Audio Level

Battery Charger

Beltpac COMMUNICATOR

Press POWER button to turn base station on/off ― Red light above button indicates power on Green BATT PWR light indicates base station is operating on battery power

Insert charged battery in Communicator Press REG button on the base station to enter registration mode ― See page 13 Hold down ISO button while you press and release POWER button on the Communicator

Green lights indicate IC or ISO communication is being received

Adjust INbound/OUTbound headset and 4-Wire equipment audio levels using small screwdriver

Place battery in port for charging Red CHG light indicates battery is charging Green RDY light indicates fully-charged battery is ready

Hands Free (HF) Push-To-Talk (PTT) ISO Lockout

Quick Reference Guide

Power on/off

Volume up

Volume down

Intercom

Isolate

Power OFF Press/hold and

Mode

Setup

Operation

Change

Battery

For detailed information on DX121 features, and for setup and operating instructions, continue reading the following pages.

while you press/release

Release and

Press and release or

quickly to latch into mode to talk to other Communicators

Press/release again to unlatch

and listen

If you hear “Change battery” ―

Remove beltpac from pouch Remove battery from beltpac Place battery in battery-charger port for recharging Install fully charged battery in beltpac

Power OFF Press/hold and

while you press/release

Release and

Press and hold or

while talking to other Communicators

Release to listen

Power OFF Press/hold

while you press/release

To reset ISO ―

press/hold and

while you press/release

Use either or to talk

to other Communicators in HF or PTT

will not operate relay

Battery

release

latch

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SECTION 1. INTRODUCTION

The DX121 is a 2.4 GHz Wireless Intercom System. The Base Station will connect to a dynamic microphone headset jack or a 4-Wire connector of a hardwired intercom station, and also provides battery-charging capability for one battery. The system typically uses BP200 Beltpacs, but can also be used with the WH200 All-in-One Headset and/or WS200 Wireless Speaker Station COMMUNICATOR system, you can leave your console or intercom station while using a Communicator.

• Each Base Station supports one Communicator in full duplex, hands-free operation.

• Each Base Station supports up to four registered Communicators.

• Compatible with RTS and ClearCom/Production Intercom wired intercom headset or 4-Wire capabl e equipment.

NOTE: Use only with headset connectors capable of supporting dynamic microphone headsets.

• In the default mode, the ISO button activates relay-controlled contacts. For alternate operating mode, see Relay Operation, page 22.

• The IC button activates audio to the 4-Wire and headset Input/Output connector(s).

• The ISO and IC buttons activate audio to other registered Communicators.

• The Base Station can charge a BAT41 battery in less than 3 hours.

• In case of power outage, the Base Station will operate temporarily from a battery in the charging port, for

approximately 30 minutes.

s. Once connected to your

TYPICAL DX121 APPLICATIONS

Large Venue

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Radio Communication Center

Broadcasting

Theatre

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EQUIPMENT IDENTIFICATION

The DX121 One-to-One Wireless Intercom System includes a base station and may include any combination of COMMUNICATOR As you unpack the equipment, check the enclosed shipping document to be sure you received all items listed.

s. Other optional equipment may also be used wi t h y our syst em.

Base Station

BS121 Base Station

Base Station Antennas

(2 per Base Station)

115/230 Volt AC Power Supply

(1 per Base Station, with Power Cord)

Communicators

HS15 Headset

BP200 Beltpac

Beltpac Pouch

Battery

2 per Beltpac or

All-in-One Headse

WS200

Wireless Speaker Station

WH200 All-in-One

Wireless Headset

115/230 VAC Power Supply with Power Cord for WS200

WS200 Battery Sled

OPTIONAL EQUIPMENT

BP200 Beltpac HS15 Single-Muff Headset HS15D Dual-Muff Headset HS16 Lightweight Headset HS4-3 Earpiece & Lapel Microphone HSI6000 Headset Adapter

WH200 All-in-One Headset BAT41 Rechargeable Battery WS200 Wireless Speaker Station BAT850 Rechargeable Battery for WS200 AC850 Battery Charger for WS200

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MAIN EQUIPMENT FEATURES

Base Station Features

Front Panel

1. POWER button

2. POWER light

3. BATT PWR (battery power) light

4. STATUS display

5. CLR/BND (clear/band) button

6. REG (registration) button

7. RESET button (recessed)

Rear Panel

14. Antenna connector

15. 12-14 VDC power supply connector

16. Antenna connector

8. IC indicator light

9. ISO indicator light

10. HEADSET and 4W (4-Wire) IN and OUT

11. Battery charger port

12. RDY (battery ready) light

13. CHG (battery charging) light

17. HEADSET / 4-WIRE connector block

18. PRI SEC (primary/secondary) switch

19. RELAY connector block

audio level controls

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Beltpac Features

1. Headset cable connector

2. Beltpac power and transmit lights

3. ISO (Isolate) button

4. IC (Intercom) button

5. PWR (Power) button

2 3 4 2

All-in-One Headset Features

1. Power light

2. Transmit light

3. IC1 & IC2 (Intercom) buttons

4. ISO (Isolate) button

5. Volume-up S button

8 9

6. Volume-up S button

7. Volume-down T button

8. Battery

9. Battery release latch

6. Volume-down T button

7. Power button

8. Battery release latch

9. Battery

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Speaker Station Features

Left side

anel Front panel Right side panel

1. SIDE TONE adjustment (recessed)

2. Battery compartment cover

3. Battery compartment cover release latches

4. HEADSET connector

5. POWER button and light

6. CALL light and MIC (microphone)

8 10 9 12 11

7. SPEAKER button and light

8. ISO (Isolate) button and light

9. VOLUME down T and up S buttons

10. IC (Intercom) button and light

11. 12-14VDC power adapter cable connector

12. 8 OHM SPKR external speaker connector

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SECTION 2. EQUIPMENT SETUP

BASE STATION SETUP

Basic Base Station Setup

The following description is for a basic, stand-alone DX121 One-to-One Wireless Inte rc om System setup. Intercom headset, 4-Wire intercom and relay connections are described on page 22.

Set up the Base Station as follows:

Approximate

90° angle

Antenna connectors

12-14 VDC

power connector

Step 1. Mount antennas -

Mount the two enclosed antennas on the antenna connectors on the rear panel of the Base Station. Position the antennas at an approximate 90° angle. Turn the sleeve on each of the antenna connectors clockwise to tighten it securely in place.

Power light

Power button

Rear Panel

Front Panel

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Step 2. Connect power -

• 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, and turn the nut on the connector clockwise to secure it to the Base Station.

• Plug the female connector at one end of the power cord into the AC power supply, and plug the other end into an electrical outlet.

• Press the POWER button on the front of the Base Station to turn it on. The red light above the button should go on.

Power supply

connector

Base Station rear panel

Power cord

connector

AC power supply Power cord

To electrical

outlet

Step 3. Charge batteries -

IMPORTANT! – Before using the DX121 system, charge the batteries for the Beltpacs and/or

WH200 Headsets. Charging time for fully-discharged batteries is about 3 hours per battery.

• One battery can be charged in the battery charger at a time.

• Insert a battery in the charging port until it clicks in place.

• A red charging CHG light above the battery port stays on while a battery in the port is charging.

• A green ready RDY light above the battery port goes on when a battery in the port is fully

charged.

Green battery-

ready light

Red battery-

charging light

Battery

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Interference Avoidance

Interference, which may be heard in a headset as popping sounds, may occur whenever other equipment such as WI-FI systems, wireless DMX systems, other HME Base Stations, etc. use the same frequency band. If these systems can be limited to one portion of the band, then the DX121 can be set to the opposite half of the 2.4 GHz to 2.48 GHz band. To avoid this type of interference, set up the base stations for “split-band” operation by selecting the upper part of the frequency range on one Base Station (or more), and the lower part of the frequency range on the other(s) as follows:

• Turn on the Base Station power. An “8” will appear on the STATUS display for a few seconds.

• After the “8” disappears and the STATUS display is blank, press and hold the CLR/BND button and then,

while you are still holding the CLR/BND button, press and hold the REG button and wait until a L, H or A appears, and then release both buttons.

• Press the CLR/BND button to cycle through parts of the frequency band; L = Low end, H = High end and A = All. Stop on the band that you want to select.

• Wait until “c” appears on the display.

NOTE: Base stations are shipped in the A (default) position.

Multiple Base Station Setup

This mode of operation can be used to expand the number of users communicating through multiple HME Base Stations operating in the same portion of the 2.4 GHz to 2.48 GHz frequency band.

Primary and Secondary Base Station Settings

One Base Station must be designated as “Primary” while the others are designated as “Secondary”. You can have only one primary and up to 3 secondary Base Stations. Secondary Base Stations are assigned numbers 1, 2, or 3.

• Label the Base Stations as “Primary,” “1,” “2” and “3.”

• Start with every Base Station and COMMUNICATOR

• Locate the PRI SEC switch on

the rear panel of the Base Station.

• Set the PRI SEC switch to the PRI

position on the primary Base Station.

• Set the PRI SEC switch to the SEC

position on each secondary Base Station.

• If a Base Station has been set for interference

avoidance, it should be used as the primary Base Station. The secondary Base Stations will automatically be set to the same band when they are initialized.

power off.

PRI SEC

switch

Rear panel of Base Station

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Base Station Initialization

For multiple HME Base Stations to operate without interference, they must be properly initialized before performing any other setups. After initializing each Base Station, register each COMMUNICATOR will be used with that base according to the procedures on pages 13 – 20.

NOTE: Base stations must be set up for split-band operation prior to initialization.

(See Interference Avoidance on page 10.)

• Turn the primary Base Station power on. Register any Communicators to be used with the primary

Base Station (See pages 13 – 20). Turn each Communicator off after registering it.

• Power on one secondary Base Station. The STATUS display will show a double bar, indicating the

secondary base is ready to be initialized.

Double bar

Base Station ready to be initialized

Small "o" indicates primary base

is open for registration

Small “o”

that

• Press the REG button on the primary base. The STATUS display will show a small “o.”

• To assign a number to a secondary Base Station and initialize it, press the REG button on the

secondary base. Pressing the button repeatedly causes it to cycle through the numbers 1, 2, and 3. When the desired number appears, stop pressing and wait. While the secondary base initializes using the displayed number, the STATUS display will continue showing the secondary number selected. When initialization of the secondary Base Station is finished, the display will show one bar, to indicate the secondary has initialized to the primary.

Secondary

base number

One bar

Secondary 2 searching for primary

Secondary is initialized to primary

• Press the REG button on the primary. The STATUS display will go blank.

• Register Communicators to the secondary (See pages 13 – 20). After registration, turn off the

secondary base and all Communicators.

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• Repeat these steps for each remaining secondary base. Use a different number for each. Only the

primary base and the secondary base you are working with should have power on during initialization. All other equipment should be off.

• After all secondary bases are initialized and COMMUNICATOR

s are registered power up all bases. Press RESET on the primary base and let it recover. Turn on the primary Communicators and let them link. Press RESET on each secondary base one at a time and let it initialize to the primary, as indicated by a single bar. Turn on the Communicators associated with the secondary bases. Do one group at a time until they have all linked. Then do the next group. At this point all bases and Communicators should be powered up and linked, ready for use.

• Now proceed with normal system configuration, setting functions and levels as required.

• If it becomes necessary to replace a secondary base, use the procedure above to initialize the new

secondary with the same number as the old secondary. After initialization you will have to register any Beltpacs/Headsets associated with the old secondary to the new secondary.

• If it becomes necessary to replace a primary base, follow the above procedure completely. Before initialization of the secondary bases, clear the previous secondary initialization as follows. For each secondary, press the CLR/BND button and the RESET button at the same time. Continue holding the CLR/BND button after you release the RESET button, until the clear code “c” (lower case) appears on the STATUS display. Any Communicators associated with the old primary will have to be regis tered to the new primary after secondary base initialization. All Commu nicators associated with secondary Base Stations also have to be registered again.

• If the primary base is shut down or if the primary base is powered off for more than 30 seconds, all secondary bases will drop their Communicator connections and begin searching for the primary. If the primary is not found in 30 seconds, the secondary will automatically revert to primary-mode operation and reconnect the Communicators. At this point the secondary STATUS displays will show three bars. If the primary is turned back on it will be necessary to press RESET on all secondary bases to allow them to find and initialize to the primary again. It is therefore important to have all bases connected to the same AC circuit to prevent this situation when the system is shut down aft er hours and powered up again the next day.

Three bars

Secondary base operating in primary mode when no primary base is found

NOTE: You cannot register Communicators to a base that is set to primary mode, and then switch the base

mode to secondary for initialization. Once in secondary mode, the base cannot recognize the Communicators registered during primary operation. For secondary bases, the Communicators must always be registered after secondary base initialization, with the primary base remaining active and the secondary base displaying one bar.

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BELTPAC / ALL-IN-ONE HEADSET / SPEAKER STATION SETUP AND REGISTRATION

The first time you operate the DX121 system, you must register each BP200 Beltpac, WH200 All-In-One Headset and/or WS200 Speaker Station COMMUNICATOR Station will then recognize all registered Communicators when their power is on, and will know the difference between them and other electronic equipment operating on the same frequencies. If a Communicator is added, replaced or repaired later, the new one must be registered and the old one remains in memory. A maximum of 4 Communicators can be registered to a single Base Station at one time. If the maximum number of 4 is exceeded, you must clear all current registrations and re-register all active Communicators.

NOTE: The following two pages are for Beltpac setup and registration. All-In-One Headset setup and

registration instructions are on pages 15 and 16. Instructions for Speaker Station setup and registration are on pages 17 - 20.

for use with a specific Base Station. The Base

Set Up Beltpacs

Before registering them, set up all Beltpacs as follows. Step 1. Insert a fully charged battery in the

Beltpac, with the metal contacts on the end of the battery inserted first. Press it in until it snaps.

Step 2. Place the Beltpac in the pouch.

Step 3. Plug the headset cable connector into the Beltpac.

Step 1

Step 2

Step 3

Beltpacs must be within 6 feet (1.83 meters) of the Base Station while you are registering them. Be certain the Base Station power is on, and each Beltpac you are going to register is turned off before you begin. Beltpacs that are already registered can be on or off.

NOTE: If you are setting up multiple Base Stations, the following steps must be repeated for Beltpacs being

registered to each Base Station.

Step 1. Put the headset, of the Beltpac being registered, on your head. Step 2. Press the REG button on the front panel of the Base Station

(#6 on Base Station front panel illustration).

• The STATUS display (#4 on Base Station front panel

illustration) will show a small “o” for open. NOTE: If you wait too long before going on to Step 3,

the Base Station will go out of the registration mode and you will have to repeat Step 2.

Step 3. Press and hold the ISO button on the Beltpac while you press and

release the PWR (power) button to turn the unit on, then release the ISO button. This will cause the Beltpac to enter the registration mode.

• The two power lights at the corners of the Beltpac near the IC

and ISO buttons will begin blinking red, then will blink green two or three times and go off.

4 6

• Wait! There may be a short delay.

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If registration is successfully completed:

• A voice message in the headset will say “Power on, Beltpac #, Version #, Begin registration, Registration complete, …”

• After a delay of up to 15 seconds, the STATUS display will show the ID number assigned to this Beltpac for about 10 seconds.

NOTE: ID numbers are assigned sequentially as 0 thru 3.

• The power light on the Beltpac, next to the IC button, will remain on steady green.

• Repeat Steps 1 to 3 at the bottom of page 13 for each Beltpac to be registered.

If registration failed:

• A voice message in the headset will say “Power on, Beltpac #, Version #, Begin registration, …” Both power lights on the Beltpac will be blinking red, and there may be a delay of up to 90 seconds before you hear “Registration failed” and the STATUS display (#4) goes blank.

• Press RESET (#7) on the Base Station. To press RESET, insert a small paper clip or similar object into the RESET hole at the lower-left corner of the Base Station front panel. When the STATUS displ ay (#4) becomes blank, press the REG button (#6) and register the Beltpac again. If registration fails again, call your dealer for assistance.

4 6

If you try to register more than 4 COMMUNICATOR®s to a Base Station:

• An “F” (for registration “Full”) will appear on the STATUS display (#4) on the Base Station and you will hear “Registration failed” in the Headset.

• Clear all current registrations by pressing the CLR/BND button (#5) and RESET (#7) at the same time. To press RESET, insert a small paper clip or similar 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 RESET, until the clear code “c” (lower case) appears on the STATUS display.

• Register all active Beltpacs, one at a time.

Page 19

ght

Set Up All-In-One Headsets

Before registering them, insert a fully charged battery in each Headset, with the metal contacts on the end of the battery inserted first. Press it in until it snaps.

Power On/Off

• To turn power on

Press and release the power button on the inside of the Headset housing. A voice message in the earpiece will say “Headset #” and the power light on the opposite si de of the ea rpi ece wi ll go on.

• To turn power off

Press and hold the power button for approximately 3 seconds. A voice message in the earpiece will say “Headset off,” and the power light on the opposite side of the earpiece will go off.

Power

utton

Power

Headsets must be within 6 feet (1.83 meters) of the Base Station while you are registering them. Be certain the Base Station power is on, and each Headset you are going to register is turned off before you begin. Headsets that are already registered can be on or off.

NOTE: If you are setting up multiple Base Stations, the following steps must be repeated for Headsets being

registered to each Base Station.

Step 1. Put the Headset on your head. Step 2. Press the REG button on the front panel of the Base Station

(#6 on Base Station front panel illustration).

• The STATUS display (#4 on Base Station front panel illustration) will show a small “o” for open.

NOTE: If you wait too long before going on to

Step 3, the Base Station will go out of the registration mode and you will have to repeat Step 2.

4 6

Step 3. Press and hold the ISO button on the Headset while you press and release the power button to turn the unit

on, then release the ISO button. This will cause the Headset to enter the registration mode.

• The Headset power light will begin blinking red, then will blink green two or three times and go off.

Wait! There may be a short delay.

Page 20

If the registration is successfully completed:

• A voice message in the Headset will say “Power on, Headset #, Version #, Begin registration, Registration complete, …”

• After a delay of up to 15 seconds, the STATUS display will show the ID number assigned to this Headset for about 10 seconds.

NOTE: ID numbers are assigned sequentially as 0 thru 3.

• The power light on the Headset will remain on steady green.

• Repeat Steps 1 to 3 at the bottom of page 15 for each Headset to be registered.

If registration failed:

• A voice message in the Headset will say “Power on, Headset #, Version #, Begin registration, …” The power light on the Headset will be blinking red, and there may be a delay of up to 90 seconds before you hear “Registration failed” and the STATUS display (#4) goes blank.

• Press RESET (#7) on the Base Station. To press RESET, insert a small paper clip or similar object into the RESET hole at the lower-left corner of the Base Station front panel. When the STATUS displ ay (#4) becomes blank, press the REG button (#6) and register the Headset again. If registration fails again, call your dealer for assistance.

4 6

If you try to register more than 4 COMMUNICATOR®s to a Base Station:

• An “F” (for registration “Full”) will appear on the STATUS display (#4) on the Base Station and you will hear “Registration failed” in the Headset.

• Register all active WH200 Headsets, one at a time.

Page 21

Set Up Speaker Stations

The Speaker Station can be used together with Beltpacs and All-in-one Headsets. It provides wireless communication through its built-in microphone and speaker, or a plug-in headset. A remote speaker can also be connected to the unit. The Speaker Station can be used on a table top or mounted on the wall. It can be operated with standard AC power, 12-14VDC or with six AA batteries or an optional rechargeable battery. A power supply with cord and a battery sled are provided. Whether used on a table top or mounted on the wall, if AC operation is required, the Speaker Station must be located close enough to an electrical outlet to be reached with the power supply and cord.

Wall Mounting

• Hold the unit against the wall where you will mount it

and mark the wall through the four holes in the flanges on its left and right sides.

• Drill holes in the wall at the four marked spots, and

mount the WS200 over the holes with your selected hardware (not provided).

AC Power Operation

If using the WS200 with AC power ―

• Plug the connector at the end of the power supply cable into the 12-14 VDC power connector on right

side of the unit. Turn the sleeve on the connector clockwise to secure it to the unit.

• Plug the large 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.

Power supply

Power supply cable

Having a fully charged (or new) battery in its battery compartment when operating the WS200 with AC or external DC power can prevent interruption of communication during a power outage. The WS200 will automatically switch to battery power.

AC power cord

Page 22

Battery Operation

If using the Speaker Station with battery power ―

• Press down and pull out on the two battery cover

release latches and lift the cover to open the battery compartment.

• Insert six AA batteries into the battery sled, in the

positions shown inside the sled, and install the sled in the battery compartment.

NOTE: An HME BAT850 Rechargeable

NiMH Battery can be used instead.

Battery sled

Battery cover

release latches

Battery

compartment

Battery

sled

• Close the battery compartment by pressing

down on its cover next to both of the latches at the same time until they snap in place.

Page 23

The first time you operate a Speaker Station, you must register it for use with a specific Base Station. The Base Station will then recognize the Speaker Station when its power is on, and will be able to tell the difference between it and other electronic equipment operating on similar frequencies, or DX family Belt pacs or All-in-one Headsets.

NOTE: The Speaker Stat ion must be within 6 feet (1.83 meters) of the Base Station while being regi st ered .

Registration Procedure:

• Be sure the Speaker Station is turned off and the Base Station power is on.

• On the Base Station, press and release the REG button (#6).

⎯ The STATUS display (#4) will show a small “o” for open.

4 6

• On the Speaker Station, press and hold the ISO button while you press and release the POWER button to turn

the unit on, and then release the ISO button. This will cause the Speaker Station to enter the registration mode.

⎯ The STATUS display on the Base Station will continue t o show a small “ o.” ⎯ The ISO and IC lights on the Speaker Station will be blinking red then will change to a steady green

IC light.

ISO button

and light

IC button

and light

If registration is successfully completed:

• If you have a headset plugged into the Speaker Station or if the speaker is on, you will hear a voice

message in the headset or speaker saying “Power on, Speaker #, Version #, Begin registration, Registration complete…”

• After a delay of up to 15 seconds, the STATUS display on the Base Station will show the ID number

assigned to the Speaker Station, for about 10 seconds.

NOTE: ID numbers are assigned sequentially to registered COMMUNICATOR

s as 0 thru 3.

• The IC light on the Speaker Station will remain on steady green.

Page 24

If registration failed:

• A voice message will say “Power on, Speaker, Version #, Begin registration, …”

The ISO and IC lights on the Speaker Statio n will be blinking red, and there may be a delay of up to 90 seconds before you hear “Registration failed,” and the STATUS display (#4) goes blank.

• Press RESET (#7) on the Base Station. To press RESET, insert a small paper clip or similar object

into the RESET hole at the lower-left corner of the Base Station front panel. When the STATUS display (#4) becomes blank, press the REG butt o n (#6) on the Base Station and register the Speaker Station again. If registration fails again, call your dealer for assistance.

4 6

If you try to register more than 4 COMMUNICATOR®s to a Base Station:

• An “F” (for registration “Full”) will appear on the Base Station STATUS display (#4), and you will

hear “Registration failed.”

• Clear all current registrations by pressing the CLR/BND button (#5) and RESET (#7) on the Base

Station at the same time. To press RESET, insert a small paper clip or similar 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 RESET, until the clear code “c” (lower case) appears on the STATUS display.

• Register all active Speaker Stations, one at a time.

Page 25

NOTICE

You have completed the system setup.

The instructions under INTERCOM AND RELAY CONNECTIONS on page 22 are for setting up auxiliary audio equipment which you may want to use with your DX121.

Page 26

INTERCOM AND RELAY CONNECTIONS

If using your DX121 with a wired intercom system, connect the intercom to the HEADSET/4-WIRE connector on the rear panel of the Base Station as shown below. Also, the RELAY connector shown below can be used as a “dry contact” for any outside equipment.

Base Station rear panel showing HEADSET/4-WIRE and RELAY connectors

Base Station front panel showing HEADSET and 4W (4-Wire) input and output level adjustments

HEADSET/4-WIRE Connector

Pin 1 Pin 2 SPKR + Input Pin 3 Pin 4 Pin 5 N/C Pin 6 Pin 7 Pin 8 4-WIRE + Output Pin 9 Pin 10

Headset

connections

4-Wire

connections

SPKR − Input

MIC − Output MIC + Output

GND 4-WIRE − Output

4-WIRE − Input 4-WIRE + Input

NOTE: Indicated PinOut connections should be matched to the corresponding PinOut connections of the intercom which will be used.

RELAY Connector

Pin 1 N.C. (Normally Closed) Pin 2 COM Pin 3 N.O. (Normally Open) Pin 4 IC SEL Pin 5 GND

Intercom Headset Connection

If using the headset connector of an intercom, connect the wires from a headset connector (not provided) to pins 1 through 4 of the HEADSET/4-WIRE connector on the rear panel of the Base Station. Be sure the headset jack of the intercom system is turned on. For intercom headset wiring diagram, see page 34.

4-Wire Intercom Connection

If using a 4-Wire intercom, connect the wires from a 4-Wire connector into the HEADSET/4-WIRE connector on the rear panel of the Base Station. For 4-Wire wiring diagram, see page 34.

Relay Operation

In the default mode, the relay will operate only when the ISO button is pressed. In the IC SEL mode, the relay will operate only when the IC button is pressed. With either mode, the IC button activates audio to the HEADSET/4-Wire IN/OUT connector. The IC SEL mode is selected by placing a jumper across pins 4 and 5 of the RELAY connector.

Page 27

SECTION 3. EQUIPMENT OPERATION

BASE STATION OPERATION

Front Panel Controls, Indicators and Connector

1. Power button

Press the POWER button to turn the power on. A red light above the button will be lit when the Base Station power is on. Press the button again to turn the power off. The light will go off. All settings are preserved when the power is turned off, and will be restored when the power is turned on again.

2. Registration Controls and Status Indicator

Use these controls to register each Beltpac, All-In-One Headset and/or Speaker Station COMMUNICATOR used with a specific Base Station.

STATUS display – shows the status of Communicators as they are being registered to the Base Station. REG button – is used to set the Base Station in registration mode, so registration can begin. CLR/BND button and RESET switch – when used together, clear all Communicator registrations from the

Base Station.

3. IC (Intercom) and ISO (Isolate) Receiver Indicators and Controls

Green lights indicate whether IC or ISO is being received.

4. Adjustments

Use a screwdriver to adjust the HEADSET and 4W IN (input) and OUT (output) levels.

5. Indicators

POWER – When the DC power is on, the red POWER light will be lit. BATT PWR – If the main DC power is disconnected while a battery is in the charging port, the Base Station will

operate for a short time on the battery’s power. When operating on battery power, both the green BATT PWR light and the red POWER light will be lit.

CHG – When the battery is charging, the red CHG light will be lit. RDY – When the battery is fully charged, the green RDY light will be lit.

Page 28

BELTPAC OPERATION

The Beltpac control buttons have a snap action. They will activate when pressed firmly. Use your fingertips, not your fingernails, to press the buttons.

Power On/Off

• Power On — Press and release the PWR (power) button. A voice message in the earpiece will say “Power on, Beltpac #, Version #,” and the red power lights at the corners of the IC and ISO buttons will go on. After a short time, one light will go off and the other will change to green, indicating the Beltpac is ready for use. The STATUS indicator on the Base Station will momentarily indicate the ID of the Beltpac.

• Power Off — Press and hold the PWR button for approximately 2 seconds. A voice message in the earpiece will say “Power off,” and the green power light will go off.

NOTE: While the Beltpac is transmitting, the green power light will be flashing.

The green power light will be on steady whenever the Beltpac is ready, but not transmitting.

ISO and IC

Either the ISO or IC button can be used to talk to other COMMUNICATOR®s. IC will send the audio signal out to intercoms through the HEADSET and 4-WIRE connections on the rear panel of the Base Station. Depending on your Base Station RELAY operation setup (See page 22), either the ISO butt on or the IC button wi ll acti vate any outside equipment connected to the RELAY connector on the rear panel of the Base Station.

• Push-To-Talk Mode — To set the Beltpac for push-to-talk (PTT) communication, with the power off, press and hold the volume-down T and ISO buttons while you press and release the PWR (power) button. You will hear “Power on, Beltpac #, Version #, Hands-free off” in the headset earpiece. Press and hold the IC or ISO button while talking.

• Hands-free Mode — To set the Beltpac for hands-free communication, with the power off , press and hold the volume-up S and ISO buttons while you press and release the PWR (power) button. You will hear “Power on, Beltpac #, Version #, Hands-free on” in your headset earpiece. When set up for hands-free communication, the Beltpac can be operated in either hands-free or PTT.

• ISO Lockout Mode — To set the Beltpac with the ISO feature locked out, with the power off, press and hold the IC button while you press and release the PWR (power) button. You will hear “Power on, Beltpac #, Version #, ISO off” in your headset earpiece. When set up for the ISO Lockout mode, the ISO button will operate the same as the IC button, in either hands-free or PTT communication. To reset the ISO feature for normal ISO button communication, with the power off, press and hold the ISO and IC buttons while you press and release the PWR (power) button. You wil l hear “Power on, Be lt pac #, Version #, ISO on” in your headset earpiece.

NOTE: The above settings are saved in memory and only need to be repeated when you want to change between

hands-free and PTT operation. When changing modes, if both power lights begin blinking, turn the Beltpac off and begin again . Hands-free and Push-To-Talk mode settings affect both IC and ISO. Individual adjustment is not possi ble.

• Push-To-Talk Mode Operation — Press and hold the IC or ISO button while speaking. In PTT operation, audio will be transmitted only while you are pressing th e IC or ISO button.

• Hands-free Mode Operation — Quickly press and release the IC or ISO button to “latch” the transmitter on in the hands-free mode. Talk and listen, as in a normal telephone conversation. Press and release the IC or ISO button again to “unlatch,” to end the conversation. If either button is held down for more than a half second, the Beltpac will function as PTT.

NOTE: In hands-free mode, pressing the IC button while latched in ISO will latch on IC. Pressing the ISO

button while latched in IC will latch on ISO.

Power

lights

Page 29

Volume Up/Down

• Volume Up Adjustment — Each time you press and release the volume-up S button, you will hear a higher pitch beep in the earpiece as the volume increases one step. If you press and hold the volume-up button, you will hear beeps of ascending pitch as the volume steps up to maximum. When maximum volume is reached, you will hear “maximum” repeating until you release the volume-up button.

• Volume Down Adjustment — Each time you press and release the volume-down T button, you will hear a lower pitch beep in the earpiece as the volume decreases one step. If you press and hold the volumedown button, you will hear beeps of descending pitch as the volume steps down to minimum. When minimum volume is reached, you will hear rapidly repeating beeps until you release the volume-down button.

Sidetone Adjustment

To adjust sidetone, the volume level of your own voice that you hear in the headset earpiece as you speak into the microphone, press and hold the IC button while you press the volume-up S or volume-down T button. If you reach the maximum volume level you will hear “Maximum” in the headset earpiece. If you reach the minimum volume level you will hear double beeps. Your sidetone setting will be saved in memory, and does not require readjustment each time the Beltpac is turned off and on.

NOTE: This adjustment only affects the level of your voice in your own headset, not how anyone else hears you.

Microphone Gain Adjustment

Some users talk louder or softer than others. To allow for this, microphone gain adjustment is provided. To increase microphone gain — Press the volume-up S button while holding down the ISO button in

the normal operating mode. The microphone gain increase can be monitored through sidetone, or preferably by someone else on a COMMUNICATOR

To decrease microphone gain — Press the volume-down T button while holding down the ISO butt o n in the normal operating mode. The microphone gain decrease can be monitored through sidetone, or preferably by someone else on a Communicator or at the Base Station.

NOTE: You will hear “Maximum” if you attempt to go higher than maximum microphone gain.

You will hear beeps if you attempt to go lower than minimum microphone gain. Microphone gain will be saved in non-volatile memory and does not require readjustment each time the power is turned on.

or at the Base Station.

Change Batteries

When a battery becomes weak, a voice in the earpiece will say “Change battery.” When this happens, take the Beltpac out of its pouch and remove its battery. Slide the arrow-shaped battery-release latch in the direction of the arrow. Pull up on the end of the battery near the battery-release latch and lift the battery out of the Beltpac, or turn the Beltpac over and catch the battery in your hand.

When replacing a battery in the Beltpac, place the end of the battery with the metal contacts into the battery holder on the Beltpac, in the same position as the battery you removed. Press the top of the battery carefully into the battery holder until it snaps in place under the battery-release latch.

Recharge batteries according to the instructions on page 9.

Battery

release latch

Page 30

ALL-IN-ONE HEADSET OPERATION

The Headset control buttons will activate when pressed lightly. Use your fingertips, not your fingernails, to press the buttons .

Power On/Off

• Power On — Press and release the power button on the inside of the Headset housing. A voice message in the earpiece will say “Power on, Headset #, Version #” and the power light will go on. The STATUS indicator o n t h e B a s e St ation will momentarily indicate the Headset ID number.

• Power Off — Press and hold the power button for approxim at e ly 3 seconds. A voice message in the earpiece will say “Power off,” and the power light will go off.

ISO and IC

The ISO, IC1 or IC2 buttons can be used to talk to other COMMUNICATOR®s. IC will send the audio signal out to intercoms through the HEADSET and 4-WIRE connections on the rear panel of the Base Station.

Depending on your Base Station RELAY connection setup (See page 22), either the ISO button or the IC button will activate any outside equipment connected to the RELAY connector on the rear panel of the Base Station.

• Push-To-Talk Mode — To set the Headset for Push-To-Talk (PTT) communication, with the power off, press and hold the volume-down T and ISO buttons while you press and release the power button. You will hear “Power on, Headset #, Version #, Hands-Free off” in the earpiece. Press and hold the IC1, IC2 or ISO button while talking.

• Hands-Free Mode — To set the Headset for Hands-Free (HF) communication, with the power off, press and hold the volume-up S and ISO buttons while you press and release the power button. You will hear “Power on, Headset #, Version #, Hands-Free on” in the earpiece. When set up for Hands-Free communication, the Headset can be operated in either HF or PTT.

• ISO Lockout Mode — To set the Headset with the ISO feature locked out, with the power off, press and hold the IC1 button while you press and release the power button. You will hear “Power on, Headset #, Version #, ISO off” in your Headset earpiece. When set up for the ISO Lockout mode, the ISO button will operate the same as the IC1 button, in either hands-free or PTT communication. To reset the ISO feature for normal ISO button communication, with the power off, press and hold the ISO and IC1 buttons while you press and release the power button. You will hear “Power on, Headset #, Version #, ISO on” in your Headset earpiece.

• Lights-off Mode — To prevent the power and transmit lights from coming on during headset operation, press and hold the IC2 button while you press the power button to turn the headset on. To return the lights to their normal functions, turn the power off and on again without pressing the IC2 button.

NOTE: The above settings are saved in memory and only need to be repeated when you want to change between HF and

PTT operation. When changing modes, if both power lights begin blinking, turn the Headset off and begin again. Hands-Free and Push-To-Talk mode settings affect both IC and ISO. Individual adjustm ent i s not pos sibl e.

• Push-To-Talk Mode Operation — Press and hold the IC1, IC2 or ISO button while speaking. In PTT operation, audio will be transmitted only while you are pressing th e IC1, IC2 or ISO button.

• Hands-Free Mode Operation — Quickly press and release the IC or ISO button to “latch” the transmitter on in the HF mode. Talk and listen, as in a normal telephone conversation. Press and release the IC or ISO button again to “unlatch,” to end th e conversation. If either button is held down for more than a half second, the Headset will function as PTT.

NOTE: In Hands-Free mode, pressing the IC1 or IC2 button while latched in ISO will latch on IC.

Pressing the ISO button while latched in IC will latch on ISO.

Power

utton

Power

light

Transmit

light

Page 31

Volume Up/Down

Microphone Gain Adjustment

the normal operating mode. The microphone gain increase can be monitored through sidetone, or preferably by someone else on a COMMUNICATOR

To Decrease microphone gain — Press the volume-down T button while holding down the ISO butto n in the normal operating mode. The microphone gain decrease can be monitored through sidetone, or preferably by someone else on a Communicator or at the Base Station.

NOTE: You will hear “Maximum” if you attempt to go higher than maximum microphone gain.

You will hear two beeps if you attempt to go lower than minimum microphone gain. Microphone gain will be saved in non-volatile memory and does not require readjustment each time the power is turned on.

or at the Base Station.

Change Batteries

When a battery becomes weak, a voice in the Headset will say “Change battery.” When this happens, remove the battery from the headset by carefully sliding the battery-release latch and lifting the battery out.

When replacing a battery in the Headset, place the end of the battery with the metal contacts into the battery holder on the Headset, in the same position as the battery you removed. Press the top of the battery carefully into the battery holder until it snaps in place under the battery-release latch.

Recharge batteries according to the instructions on page 9.

Battery-

release latch

Batter

Page 32

SPEAKER STATION OPERATION

Headset

connector

Headset Connection

If you are using a headset with the Speaker Station, plug it into the headset connector. When using a headset, if the red light over the SPEAKER button is on, incoming communication can be heard through the headset and the speaker. If the red light over the SPEAKER button is off, incoming communication can only be heard through the headset.

Push-To-Talk (PTT) or Hands-Free (HF) Mode Setting

• Be sure the WS200 power is off.

• To set up the Speaker Station for operation in the PTT mode, press and hold the VOLUME down ▼

and ISO buttons while you press and release the POWER button to turn the unit on. Then release the VOLUME down ▼ and ISO buttons.

• To set up the Speaker Station for operation in the HF mode, press and hold the VOLUME up ▲ and

ISO buttons while you press and release the POWER button to turn the unit on. Then release the VOLUME up ▲ and ISO buttons.

NOTE: Mode settings are saved in memory, and only need to be reset if you want to change between PTT and

HF operation. Mode settings affect both ISO a nd IC com munication.

Page 33

Routine Operation

Power On/Off

• To turn WS200 power on, press and release the POWER button.

— Red lights will go on over the POWER, ISO and IC buttons. — If listening with a headset, or the speaker is turned on, you will hear “Power on, Speaker #, Version #.” — The light over the ISO button will go off. — The light over the IC button will change to green.

• To turn WS200 power off, press and hold t he POWER button for 3 seconds.

ISO and IC

The ISO, IC1 or IC2 buttons can be used to talk to other COMMUNICATOR out to intercoms through the HEADSET and 4-WIRE connections on the rear panel of the Base Station. Depending on your Base Station RELAY connection setup (See page 22), either the ISO button or the IC but ton will activate any outside equipment connected to the RELAY connector on the rear panel of the Base Station.

Push-To-Talk Mode

• Press and hold the ISO or IC button while speaking.

— The green light over the button will be flashing when the unit is transmitting.

s. IC will send the audio signal

• Release button to listen on headset speaker or internal speaker, if “ON.”

— The green light over the button will be on steady.

• Adjust volume level with VOLUME up ▲ and down ▼ buttons if necessary.

Hands-Free Mode

You must be using a headset plugged into the Speaker Station, and the speaker must be off for hands-free operation.

• Quickly press and release the ISO or IC button.

— The green light over the button will be flashing.

• Speak and listen as in a normal telephone conversation.

• Adjust volume level with the VOLUME up ▲ and down ▼ buttons if necessary.

• Press and release the ISO or IC button again to end communication.

— The green light over the IC button will be on steady.

• Press and release the ISO or IC button if you want to speak again.

— The green light over the button will begin flashing again.

• Pressing and holding the ISO or IC button for more than a half second will result in PTT operation.

ISO Lockout Mode

To set the Speaker Station with the ISO feature locked out, with the power off, press and hold the

IC button while you press and release the POWER button. You will hear “Power on, Speaker #, Version #, ISO off.” When set up for the ISO Lockout mode, the ISO button will operate the same as the IC button, in either hands-free or PTT communication. To reset the ISO feature for normal ISO button communication, with the power off, press and hold the ISO and IC buttons while you press and release the POWER button. You will hear “Power on, Speaker #, Version #, ISO on.”

Page 34

CALL Light Function

If the CL200 (optional) Call Light button is pressed, or a call tone from an RTS or ClearCom intercom system is received through the CL200 on the 2-wire circuit:

• One short beep will sound in the Speaker Station or headset, and will also be heard through all

Beltpacs or All-in-one Headsets registered to the same Base Station as the Speaker Station.

• The yellow CALL light next to the POWER button on the Speaker Station will flash 3 times and

pause, then flash 3 times and pause, then flash 3 final times.

Headset Microphone Gain Adjustment

Some users speak louder or softer than others. The headset microphone gain adjustment helps to compensate for these differences, raising or lowering the voice level of the user speaking into the microphone. Increase microphone gain for softer voices, decrease for louder voices.

• To adjust microphone gain, first be sure the internal speaker is off.

• Press and hold the ISO button while pressing the VOLUME up ▲ or down ▼ arrow.

― When you reach maximum microphone gain, you will hear “Maximum.” ― When you reach minimum microphone gain, you will hear a double beep.

There are 16 steps between maximum and minimum microphone gain levels.

Headset Sidetone Adjustment

Sidetone is the level of your own voice that you hear in the headset earpiece as you speak into the microphone.

• To increase or decrease the sidetone level, first be sure the internal speaker is off.

• Press and hold the IC button while pressing the VOLUME up ▲ or down ▼ arrow.

― When you reach maximum sidetone level, you will hear “Maximum.” ― When you reach minimum sidetone level, you will hear a double beep.

There are 5 steps between maximum and minimum sidetone levels.

NOTE: A trim pot is provided for fine tuning adjustments with a small screwdriver, through the hole labeled

SIDE TONE on the left side of the Speaker Station. This adjustment only affects the level of your voice in your own headset, not how anyone else hears you.

Changing Batteries

When batteries are becoming weak, you will hear “Change battery” from the speaker or headset. When this happens, remove the battery sled from the Speaker Station and replace the six batteries in it with fresh AA batteries. Be sure battery polarity is correct when replacing the batteries.

Rechargeable BAT850 Batteries

If you are using the optional HME BAT850 Rechargeable Battery, remove the battery from the Speaker Station and replace it with a fully charged battery. Recharge the battery in the optional AC850 Battery Charger according to the instructions received with the charger. Charging time is approximately 3 hours.

AC850 Battery Charger

Auxiliary Speaker Connection

An 8 ohm auxiliary speaker can be connected to the right side of the Speaker Station, using the enclosed 2-position connector plug. Adjustments affecting the Speaker Station will also affect the parallel auxiliary speaker.

Page 35

SECTION 4. TROUBLESHOOTING

If you are unable to correct any of the problems described below, contact your dealer for assistance.

• Power light on Base Station does not come on.

Be certain power cords are properly connected to Base Station, power supply and electrical outlet.

• COMMUNICATOR® power lights do not turn green, and “out of range” is heard.

Be certain your Base Station power is on. Turn Communicator and Base Station power on and off. You may be too far from the Base Station. The range varies with each location’s layout.

• When trying to register, it keeps saying registration failed.

Check to be sure that the STATUS window only goes blank, and does not show a registration number. Follow the instructions on clearing the registrations as found on p age 14, 16 or 20 , and repeat the registration procedure.

• Others cannot hear me when I talk.

If you are using a Beltpac or local headset, be certain the headset connector is correctly plugged in to the Beltpac or Base Station.

• People on the 4-Wire intercom cannot hear me or I cannot hear them.

Be certain the cables are securely connected and the 4-Wire intercom is on.

• People on the RTS/ClearCom systems cannot hear me or I cannot hear them.

Be certain the cables are securely connected and the 2-wire intercom is on.

2400MHz cordless telephone interference — If there is a 2400MHz cordless telephone nearby, interference may occur. However, because the DX121 is a frequency-hopping system, this problem is unlikely. If it does occur, changing frequencies on the telephone may alleviate the problem. If not, m ove the phone as far as practical from the Base Station, or use another type phone.

In the event of an electrical power outage — such as from a lightning storm or power generator failure, if you experience problems with your HME equipment after the electricity comes on again, unplug the AC power supplies from their electrical outlets and wait 15 seconds, then plug them back in.

Page 36

SECTION 5. TECHNICAL DATA

DX121 EQUIPMENT SPECIFICATIONS

BS121 Base Station

GENERAL ⎯

Frequency Range: All, 2400 to 2483.5 MHz Low, 2401.92 to 2439.94 MHz High, 2443.39 to 2481.41 MHz Frequency Response: 200 Hz to 3.5 kHz Power Requirements: 100-240VAC, 50-60Hz or 12-14VDC Temperature Range: 32-122°F (0-50°C) Size: 1.62” x 5.50” x 7.88” (4.1 x 14 x 20 cm) Weight: 1.2 lbs. (.59 kg) with battery # of Beltpacs per Base: 4 can be registered Only 1 can have full-duplex communication at a time 4-Wire I/O: 600Ω balanced, level adjustable, simultaneous operation with headset Headset I/O: 200Ω, level adjustable Front Panel Controls: Power button, REGister Beltpac and CLR/BND buttons,

RESET switch, HEADSET IN and OUT level adjustments,

4-Wire IN and OUT level adjustments Front Panel Indicators: POWER LED, STATUS display, IC and ISO Receive LEDs, Battery Power LED, Battery Charger RDY and CHG LEDs Rear Panel Controls: Primary/Secondary switch Antenna Type: External ½ -wave dipole (R-TNC connector) RX/TX horizontal/vertical diversity System Distortion: <2% Communication Security: 64-bit encryption dual-slot diversity

TRANSMITTER ⎯

Type: Frequency hopping, spread spectrum Transmit Power: 100mW burst Modulation Type: Gaussian filtered FSK, TDM Frequency Stability: 13 ppm Harmonics/Spurious: Exceeds FCC and ETSI specifications over temperature

RECEIVER ⎯

Type: Frequency hopping, spread spectrum RF Sensitivity: <−90dBm w 10 Frequency Stability: 13 ppm Distortion: <2%

BATTERY CHARGER ⎯

Battery charging time: <3 hours

-3

BER

Page 37

BP200 Beltpac

Frequency Range: 2400 MHz – 2483.5 MHz Antenna: Internal, horizontal/vertical diversity Frequency Response: 200 Hz to 3.5 kHz Transmit Power: 100mW burst RF Sensitivity: <−90dBm w 10 Battery Requirements: 3.6V lithium ion, rechargeable Battery Life: Hands-free – up to 14 hours, PTT – up to 20 hours Temperature Range: 32-122°F (0-50°C) Weight: 7.4 oz (.21 kg) with battery and pouch Headset Connector: 4-pin, mini-DIN Microphone: Electret Headset Output: 160mW into 32Ω Controls: Po w er, Volume-up S, Volume-down T, IC, ISO Indicators: Dual-color LED (red/green)

WH200 All-In-One Headset

Frequency Range: 2400 MHz – 2483.5 MHz

Antenna: Internal Frequency Response: 200 Hz to 3.5 kHz Transmit Power: 100mW burst RF Sensitivity: <−90dBm w 10 Battery Requirements: 3.6V lithium ion, rechargeable Battery Life: Hands-free – up to 14 hours, PTT – up to 20 hours Temperature Range: 32-122°F (0-50°C) Weight: 5.7 oz (.16 kg) with battery Microphone: Electret Headset Output: 160mW into 32Ω Controls: Po w er, Volume-up S, Volume-down T, IC1, IC2, ISO Indicators: Transmit LED (red/green), Power LED (red/green)

-3

BER

-3

BER

WS200 Speaker Station

Frequency Range: 2400 – 2483.5 MHz

Antenna: Internal Frequency Response: 200 Hz to 3.5 kHz Power Requirements: Six AA batteries (NiMH optional), 12-14VDC or 100-240VAC, 50-60Hz Temperature Range: 32-122°F (0-50°C) Size: 9.38” x 5.16” x 3.34” (23.83 x 13.11 x 8.48 cm) Weight: 2.56 lb with battery (1.16 kg) Microphone: Electret Speaker: 1.5W min into 8Ω Headset Output: 200mW into 32Ω Controls: Power, Speaker, ISO, Volume-down T, Volu me -up S, IC Indicators: Power LED (red), Call LED (yellow), Speaker LED (red), ISO LED (red/green), IC LED (red/green) Connectors: 4-pin mini-DIN Headset, 12- 14 V DC , 8 Ω speaker

NOTE: Communicators will follow the frequency range determined by the setting on the Base Station

(e.g. All, Low or High).

Page 38

BASE STATION BLOCK DIAGRAM

Page 39

SECTION 6. INDEX

Base Station

Antenna mounting..............................................................................................................................................8

Battery charging.................................................................................................................................................9

Block diagram ..................................................................................................................................................34

Features ..............................................................................................................................................................5

Initialization (multiple base stations) ...............................................................................................................11

Intercom and relay connections........................................................................................................................22

Interference avoidance......................................................................................................................................10

Operation..........................................................................................................................................................23

Power connection ...............................................................................................................................................9

Setup (multiple base stations)...........................................................................................................................10

Setup (single base station)..................................................................................................................................8

Setup (split-band).............................................................................................................................................10

Specifications ...................................................................................................................................................32

Beltpac

Battery changing...............................................................................................................................................25

Features ..............................................................................................................................................................6

Microphone gain adjustment............................................................................................................................25

Operation..........................................................................................................................................................24

Registration ......................................................................................................................................................13

Setup.................................................................................................................................................................13

Sidetone adjustment..........................................................................................................................................25

Specifications ...................................................................................................................................................33

Headset, All-In-One

Battery changing...............................................................................................................................................27

Features ..............................................................................................................................................................6

Microphone gain adjustment............................................................................................................................27

Operation..........................................................................................................................................................26

Registration ......................................................................................................................................................15

Setup.................................................................................................................................................................15

Specifications ...................................................................................................................................................33

Operation

All-in-one headset ............................................................................................................................................26

Base station.......................................................................................................................................................23

Beltpac..............................................................................................................................................................24

Quick Reference Guide......................................................................................................................................1

Speaker station .................................................................................................................................................28

Speaker Station

Battery changing...............................................................................................................................................30

Battery operation..............................................................................................................................................18

Features ..............................................................................................................................................................7

Headset sidetone adjustment ............................................................................................................................30

Microphone gain adjustment............................................................................................................................30

Operation..........................................................................................................................................................28

Power connection .............................................................................................................................................17

Registration ......................................................................................................................................................19

Setup.................................................................................................................................................................17

Specifications ...................................................................................................................................................33

System

Applications........................................................................................................................................................2

Equipment identification....................................................................................................................................4

Equipment specifications..................................................................................................................................32

Introduction........................................................................................................................................................2

Optional equipment............................................................................................................................................4

Troubleshooting.................................................................................................................................. 31

Clear-Com HME DX121 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual