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2. OPERATION
12
2.7 Calling a Specific Intercom Station
1. Press the [Intercom Select] key until the indicator lights on the desired intercom station.
After a one-second delay, a short tone sounds from the selected intercom station.
2. Press the PTT switch on the microphone and speak into the microphone.
3. Release the PTT switch to listen for a reply from the selected intercom station. If
necessary, adjust listening volume with the [LISTEN VOL] control.
4. After completing your conversation, press the [Hail Select] key to return to the standby
mode.
Note: To call a specific intercom stations while sounding warning signals, see page 17.
2.8 Receiving a Call from an Intercom Station
When an intercom station is calling the main station, the indicator for the calling station
flashes on the main station’s indicator and a tone sounds while the intercom station
operator is pressing the station’s calling switch.
Automatically selecting a single calling station
1. In the standby mode, press the PTT switch on the microphone to answer the call. The
LH-3000 automatically switches to the calling station and the flashing indicator then
lights steadily.
2. If necessary, adjust listening volume with [LISTEN VOL] control.
3. After you have finished your conversation, press the [Hail Select] key to return to the
standby mode.
Automatically selecting multiple calling stations
When you receive a call from more than one station, the appropriate intercom station
indicators flash and a tone sounds.
1. In the standby mode, press the PTT switch on the microphone. When calls are received
simultaneously, the low-number station will be selected first.
2. After you have completed your conversation, press the [Hail Select] key to return to the
standby mode.
3. Press the PTT switch on the microphone again and the next low-number station will
automatically be selected.
4. After you have finished all intercom conversations, press the [Hail Select] key to return
to the standby mode (“ALL” indicator lights).
Calling all intercom stations while an intercom voice is selected
1. Press and hold the [Hail Select] key.
2. Press the PTT switch on the microphone and speak into the microphone. All station
indicators flash.