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1. OPERATIONAL OVERVIEW
1-2
1.2 How to Turn On/Off the Power
Rotate the VOLUME/PWR knob clockwise to turn on the power. The RT screen ap-
pears.
To turn off the power, rotate the VOLUME/PWR knob counterclockwise to the OFF po-
sition.
1.3 Radiotelephone (RT) Screen
Turn the power on, or press the RT/REGION key to show the radiotelephone (RT)
screen. This is where you set up the transceiver unit, and communicate by voice.
0 to 9 keys • Enter alphabet, numeric or symbol.
• Direct selection of corresponding function on menu and applicable
screens.
DW/SCAN key
• Opens the option window for DW or SCAN.
• Cancels DW or SCAN in process.
REPLAY key
Opens the replay screen.
ALARM lamps Top: Flashes in red when receiving distress alert, distress and urgency
messages.
Bottom: Flashes in green when receiving safety and routine messages, and
when daily test is completed.
The flashing of a lamp for receiving a DSC message is in synch with the au-
dio alarm.
The flashing cycle for both top and bottom lamps is 200 msec (lighting) →
200 msec (off) → 200 msec (lighting) → 200 msec (off) → …
No. Meaning
1
Loudspeaker on ( ) or off ( )
2 This icon appears when the channel is busy.
3 Intensity of reception (This icon does not appear while transmitting.)
4 Own ship’s MMSI (nine digits)
5 Spinner rotates when the equipment is functioning normally.
6 This icon appears when the frequency is for distress.
7 Channel
8 Output power ([HIGH], [LOW])
9 Channel region ([INT’L], [USA], [CANADA], [INLAND-W], [PRIVATE])
Control Function
Tab area: Sessions
in progress
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Radiotelephone (RT) screen on the transceiver unit