24
5-7 REPEATER OPERATION
5-7-1 Transmitter Offset
All radio repeaters utilize a separate receive and transmit frequency.
The receive frequency may be either above or below that of the transmit
frequency. The initial offset frequency is shown as below:
Offset Feature
To select the desired transmitter offset feature press the SHFT/REV key.
Each time you press the key the transceiver will advance from one
feature to the next.
No indicator
➔
"-" " T."
➔
"+" " T."
➔
"-" "+" "T."
(Simplex) (automatic repeater offset)
2. Press the F key for longer than 1 second. The F indicator will begin to
flash. Press the VFO/M
V key within 10 seconds of pressing the F
key. The current offset frequency will be shown on the display.
3.Rotate the tuning control or press the microphone UP/DN switches to
select the desired offset frequency.
4. Press the VFO/M
V key to select the VFO mode.
5-7-2 Automatic Repeater Offset
This function automatically selects an appropriate offset direction and
offset frequency according to the operating frequency that you select.
The transceiver is programmed for offset direction as shown below.
To select the desired offset frequency use the following procedures:
1. Press the VFO/M
V key to select the VFO mode.
-
+
-
-
+
-
145.1
145.5
146.0
146.4
146.6
147.0
147.4
147.6
148
145.6
145.8
European Version
North America Version
VHF
In the automatic repeater offset mode, when the operating frequency
falls in the simplex band, the indicators " - " and " + " will light on still.
When in minus offset direction band, the indicator " - " flashes. When in
plus offset direction band, the indicator " + " flashes also.
+600kHz
+1.6MHz
+5MHz
-600kHz
-1.6MHz
-5MHz
+
-
AR-147
AR-247
AR-447
+600KHz
-600KHz
TM281A
+1.6MHz
-1.6MHz
COMMANDO
246BM