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7 VHF RADIO/INTERCOM
7.1 General
The WR20 acts as an additional station to your VHF. Note that a
separate cable is required to interface the WR20 Basestation to the
VHF black box, (Section 2.4). The WR20 Handset operates the
major functions of the VHF including changing channels, adjusting
the volume of an attached external loudspeaker and adjusting the
radio squelch. In addition intercom calls can be received and
initiated between the WR20 Handset and any other station.
7.2 Display
If there is more than one radio on the network please refer to
Section 4.2.4 Radio Selection. Select the connected Radio from the
product list or alternatively by pressing and holding the PTT key
for 2 seconds.
An example Radio display (RS80-1) is shown, the following
default Information is displayed (Fig. 7.1):
1. Title of left bargraph Item 6 (Volume)
2. Current device under WR20 control
3. Title of right bargraph Item 9 (Squelch)
4. Current transmission power
5. Channel Set
6. Bargraph showing volume level
7. Current status Tx/Rx
8. Active channel
9. Bargraph showing Squelch level
10. Left SoftKey function, toggle 1W/25W transmitter power
11. Right SoftKey function 'Select emergency channel 16
2
1
4
opUMJN N
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6
`e= = NM
8
Nt
10
Fig. 7.1 - VHF Main display
3
5
pni=
7
9
`eNS
11
VHF Radio/Intercom
43
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