8
29
WHEN RECEIVING A CALL
7
8
2001 NEW
■
To receive a DSC call
The independent built-in DSC receiver circuit in the IC-
M801E scans all distress/safety frequencies, therefore,
the “distress,” “urgency” and “safety” calls on those fre-
quencies can be decoded at all times.
However, “routine” and “group” calls on the other fre-
quencies are received via the transceiver’s receiver
circuit. Therefore, the transceiver must set to DSC
watch mode by pushing [DSC] to decode these calls.
• Monitoring the traffic frequency
Monitor the communication between the calling ship
and a coast station, or the calling station transmission
via voice on the traffic frequency.
• Emergency alarm sounds until pushing some key, or
beeps sound, depending on the calling format or cat-
egory.
• Transmit an acknowledgement
When the following DSC is received, an acknowl-
edgement must be sent back to the calling station.
• Beeps, or an emergency alarm sounds until pushing
some key, depending on the category.
* * * * * * * * * * * * * * * * * * * * * * * *
* I n d i v i d u a l *
* I C O M M 8 0 1 *
* * * * * * * * * * * * * * * * * * * * * * * *
T r a f f i c
E x i t
* * * * * * * * * * * * * * * * * * * * * * * *
* D i s t r e s s R L Y *
* 1 2 3 4 5 6 7 8 9 *
* * * * * * * * * * * * * * * * * * * * * * * *
T r a f f i c
E x i t
* * * * * * * * * * * * * * * * * * * * * * * *
* D i s t r e s s *
* 1 2 3 4 5 6 7 8 9 *
* * * * * * * * * * * * * * * * * * * * * * * *
T r a f f i c
E x i t
* * * * * * * * * * * * * * * * * * * * * * * *
* G r o u p *
* I C O M M 8 0 2 *
* * * * * * * * * * * * * * * * * * * * * * * *
T r a f f i c
E x i t
* * * * * * * * * * * * * * * * * * * * * * * *
* G e o g r a p h i c *
* 1 2 3 4 5 6 7 8 9 *
* * * * * * * * * * * * * * * * * * * * * * * *
T r a f f i c
E x i t
* * * * * * * * * * * * * * * * * * * * * * * *
* G e o g r a p h i c *
* 1 2 3 4 5 6 7 8 9 *
* * * * * * * * * * * * * * * * * * * * * * * *
T r a f f i c
E x i t
D
D
When receiving a DSC call
One of the following actions should be performed
when a DSC call is received depending on the re-
ceived DSC format (or category):
• Wait for a voice transmission on the traffic frequency.
• Transmit an acknowledgement with DSC or voice.
D
D
Display example and operation
IC-M801E_0.qxd 05.12.2 16:32 Page 29
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