Furuno LH-3000 - Manual (Page 16)

2. OPERATION
10
7 [FUNC] Key Activates automatic and manual warning signals.
8 [LISTEN VOL] Control Adjusts listening volume from the internal speaker; turns
power on/off.
9 [HAIL VOL] Control Adjusts output volume from the horn speakers or intercom
station speakers.
10 LED Indicators From top row:
- Hail indicators (ALL, FWD, AFT BOTH)
- Intercom indicators (IC1 – IC4)
- Alarm signal indicators (YELP(manual), UNWY, SAIL,
TOW)
- FUNC/PTT and AUTOMATIC indicators
- Alarm signal indicators (MAN(manual), STOP, ANCH,
AGND)
11 MIC MIC input
12 Speaker
2.2 Turning the Power On/Off
Turn the [LISTEN VOL] control clockwise to turn on the Loud Hailer. The “ALL” indicator
lights, which means the Loud Hailer is in standby and awaiting your command.
The equipment is in the standby mode when the “ALL” indicator is lit. Normally, the
equipment should be returned to the standby mode after a function has been completed. In
the standby mode the Loud Hailer is ready to call all stations, including both horn speakers
and all intercom stations, and is ready to receive a call from any intercom station.