Telex Audiocom US-2002, User Instructions

30

Receiving Calls

When there is an incoming call signal on a channel, the call indicator for that channel blinks red. There is a beep tone if the 
beep feature has been activated (see “Incoming Call Beep On/Off” on page 32).

To 

receive a call

, do the following:

1.

If you are using a dynamic-mic headset, tap the 

headset key

 to turn the mic on

OR
If you are using a panel-mounted microphone or an electret-mic headset, tap the 

panel mic key

 to turn the mic on.

NOTE:

You can also use the voice-activated microphone (VOX) feature (See page 32).

2.

Turn on the

 talk and listen key

 for the calling channel. 

3.

Begin your 

conversation

.

4.

Turn the 

keys

 off when finished.

NOTE:

When you tap the headset key, or the panel mic key, or an any talk or listen key, it locks in the on position. 

You may then tap the key again to turn it off. For momentary activation, press and hold the key. It will 
remain on as long as you hold it and turns off when you release it.

Calling an Intercom Channel

To 

call an intercom channel

, do the following:

1.

Press and hold the 

call key

 for the channel you want to call

An inaudible call signal is sent and the listen key and indicator for that channel automatically turns on in preparation 
to receive a verbal respons

e.

2.

Release the 

Call key

 when you hear a response.

3.

If you are using manual microphone activation, verify the microphone is 

on

.

•

For a dynamic mic headset, tap the headset key to turn it on; 

•

For a panel-mounted microphone or electret headset, tap the panel mic key to turn it on.

4.

Turn on the 

Talk key

 for the channel you called to begin your conversation.

5.

Turn off your

 Talk and Listen keys

 to end the conversation.

Microphone Mute During Talk

You can mute the microphone while talking. 

To

 mute the microphone

, do the following:

1.

Tap either the 

headset key

 or the 

panel mic key

.

The microphone mutes. 

2.

Tap the 

key

 again to turn the microphone back on. (If you are using Vox, tap the key twice to reactivate vox.)

All Talk

You can talk to all intercom stations that currently have their listen keys activated. This applies to both channels of the US-
2002 as well as all talk channels of any connected ES-4000A Expansion Stations. 

To 

use All Talk

, do the following:

1.

If you are using manual microphone activation, verify the proper 

microphone switch

 is turned on (either headset or 

panel mic).

2.

Press and hold the 

All Talk key

 while talking.

3.

Release the 

key

 when finished.

NOTE:

To insure the All Talk key is never accidentally left in the on position, it does not latch.