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1. OPERATIONAL OVERVIEW
1-7
Alarm Frequency (interval)
Safety call received 1300 Hz and 0 Hz (250 ms)
Routine, Ship’s Business call received 880 Hz and 440 Hz (500 ms)
While DISTRESS key is pressed for
three seconds
2200 Hz and 0 Hz (125 ms)
Distress alert sent 2200 Hz, continuous
Own ship position not updated 2200 Hz (50 ms), three beeps every two
seconds
Distress alert, urgency message
received
1300 Hz and 2200 Hz (250 ms)
Message received from terrestrial
telephone line
750 Hz and 650 Hz (50 ms) 10 times
Repeat OFF one second
1.2 VHF Basic Operation
1.2.1 Turning the power on and adjusting contrast
To turn the power on, turn the VOLUME control clockwise until you hear a click.
To adjust the contrast of the display, press the SHIFT key, and then rotate the
CHANNEL knob or press the ▼ or ▲ key. To turn the power off, turn the control
fully counterclockwise until you hear the click.
1.2.2 Selecting channel modes, channels
Selecting channel modes
To change the channel mode, press the SHIFT key immediately followed by the
7 INT/USA key several times until desired mode is displayed. The following
modes are available.
INTL : International mode
USA : USA mode
WX : Weather channel mode
CANADA : CANADA mode
INLND-WA : Rhine river mode (USED ON INLAND Waterways)
PRIV : Private channel
MEMO : Memory channel mode if registered
Note: Private channels are available only where permitted by the authorities.
The USA/WX, CANADA, INLND-WA , PRIV can also be set by a qualified
serviceman.
Selecting channels
Rotate the CH selector clockwise (counterclockwise) to display desired channel.