Channel Master CM-5020 Spécifications Page 21

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Detail
4.2 Group MMSI number
If the VHF radio is configured as member of a group(s) it will receive group calls addressed
to that group.
The VHF can be configured to be part of more (up to 10) groups. The group MMSI numbers
can be programmed from menu 4.5.2.
The configured group numbers are shown as a list. A group MMSI number can be added by
selecting the <empty> list entry and press . Enter a valid group MMSI and press
.
A group number can be changed by selecting the number , edit the number and press
OK. A group number can be removed from the list by selecting the number, press ,
delete the number and press .
4.3 Differentiating incoming calls by ringing
tones
The VHF rings in various ways according to the nature of the call, as shown in the following
diagram:
60 sec.
1 sec.
8 sec.
3 sec.
5 sec.
3 1/2 - 4 1/2 min
3 sec.
3 1/2 - 4 1/2 min
3 sec.
3 1/2 - 4 1/2 min
3 sec.
DISTRESS
&
URGENCY
TONE SIGNAL
39717
CALLS
SAFETY
TRANSMIT
DISTRESS
PSTN
ROUTINE &
Tx Tx Tx Tx
If an individual call acknowledgement is received, a call tone is activated that is equal to the
call tone used for receiving a call request of the same type.
Calls that are received as distress calls or calls with category distress or urgency will always
adopt the prescribed alarm sound. For any other DSC calls the call sound on reception can
be enabled/disabled from a Setup menu (4.3.2).
If a call is received initiating an alarm sound, the alarm sound may be muted by pressing the
button in order to be able to finish current radiotelephony call. This procedure will not
affect the actual call accept procedure.
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