3.3 DSC SETUP
3-25
7. SCAN FREQ.
DSC distress and safety frequency (Distress) and routine frequency (Routine) are set for
scanning. The ship navigating in sea areas A3/A4 must maintain a continuous DSC
watch on 2187.5 kHz, 8414.5 kHz and one other HF watch keeping frequency. In sea
area A2, the DSC watch keeping frequency is 2187.5 kHz only.
When the DSC watch keeping receiver is defective, the watch keeping frequencies is set
in the Routine scan table.
DSC distress/safety frequency according to the sea areas is set by MF/HF setting of the
WATCH RCVR in DSC SYSTEM Setup menu. See page 3-27.
· In Distress scan table, 2MHz and 8MHz are kept being ON. Among the remained
frequencies, three frequencies can be turned off.
· The user channel used in Routine scan table is entered through “RT SETUP” menu.
OTHER includes the user channels of “0” band.
8. VOLUME
Following display appear when VOLUME is selected in DSC SETUP menu.
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