Sailor A1 VHF-DSC, Operating Instructions Manual

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18
VHF System Description
To the VHF system can be connected up to 7 control units. Each
control unit has a unique location (1-7). If a control unit wants to
control the transceiver, it has to be master of the system. The
following describes the display read-outs shown in connection with
different system priorities of the control units:
The control unit assigned location number 1 has the highest priority
in the VHF system and is able to become master of the system at
any time needed.
When more control units are connected to the VHF system, the main
control unit has to be assigned location number 1.
When the system is free:
If a handset is in VHF mode, the display will show.
If a handset’s function menu is active, the display shows the menu
item.
When a control unit is master of the system,
the other control units, if in VHF mode, show the following display to
indicate that the transceiver is in use by another control unit:
If the other control units’ function menus are active, the display will
show the menu item as usual.
Getting the MASTER priority in the system:
To operate the transmitter, the handset has to be master of the
system. To become master of the system, simply hook off the
handset.
When the handset becomes master of the system, the display will
not change.
If the handset does not become master of the system and the
handset is operated in VHF mode, the display will show the mes-
sage:
If the system is occupied by another control unit, hang up and wait
for the system to become free.
6
1 08 02
MEM VOL SQ
___
TELEPHONY
oCC
1 BRIDGE
The control unit location name
The control unit location number
oCC
1 BRIDGE
___
TELEPHONY