REPEATER OPERATION
1 Transmitter Offsets
3 Automatic Offset Selection
All amateur radio repeaters use a separate receive
m U.S.A. and CANADA versions
and transmit frequency. The receive frequency may
be above or below the transmit frequency.
Most
repeater configurations fall into one of the following
The TH-28A is programmed according to the
standard ARRL(Amateur Radio Relay League) Band
Plan for repeater offset direction. You can override
Gated Ones:
this programming by using the SHIFT key as
described in the preceding paragraph.
Offset
mw European version
Direction
TH-28A/E
TH-48A
TH-48E
The TH-28E automatic offset is programmed as
+
+600 kHz| +5 MHz | + 1.6 MHz
follows.
—
| 600 kHz) —5 MHz | —1.6 MHz
=
|
= 7.6 MHz
144.00
145.600
145.800
SIMPLEX
; —600 kHz | SIMPLEX
2 Selecting the Offset Direction
Press the SHIFT key. The transceiver will shift from
m@ To cancel automatic offset
one offset direction to the other, such as from + to
;
SD
Press and hold the CALL key and switch the power
—, or from — to simplex where no indicator shows.
on.
In the European version (UHF band ), —change
to—--—.
This operation switches automatic offset mode on or
off.
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