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2. OPERATION
20
2.13 Siren Mode (for LH-3000-CG)
Enabling the siren mode
The siren mode, activated by a switch connected to the burglar alarm terminal, functions to
sound the warning signal (YELP) from both horn speakers in the standby mode. To interrupt
the warning signal to speak, press the PTT switch on the microphone and speak into it.
Communicating with intercom stations while in the siren mode
You may communicate with intercom stations in the siren mode. However, unlike the
standby mode, you must choose intercom stations.
1. In the siren mode, 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 it.
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 siren
mode.
Talking to ALL intercom stations while in the siren mode
You may talk to ALL intercom stations. However, unlike the standby mode, you must
choose intercom stations.
1. In the siren mode, press the [Intercom Select] key until the indicator lights on the desired
intercom station.
2. Press and hold down the [Hail Select] key, then press the PTT switch and talk into the
microphone.
3. After speaking, release the PTT switch and then the [Hail Select] key to return to the
siren mode.
Disabling the siren mode
Turn off the siren mode switch, and the LH-3000-CG stops sounding.