Furuno LH-3000 - Manual (Page 24)

2. OPERATION
18
2.11 Transmitting the Auxiliary Signal
Transmitting the auxiliary signal over all speakers
An audio signal from an external audio source can be transmitted through the equipment
via the AUX input connector on the rear panel.
1. In the standby mode, press the [AUX] key. The signal from the external AF source (radio,
CD player, etc.) sounds from all intercom stations and any connected horn speakers.
Adjust the output volume level directly from the external input source.
2. To turn off the external AF signal, press the [AUX] key to return to the standby mode.
Transmitting the auxiliary signal over all intercom stations
1. Press and hold the [Intercom Select] key.
2. Press the [AUX] key.
Returning auxiliary transmission to standby mode
Press the [AUX] key twice.