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REPEATER OPERATION
1 Transmitter Offsets
All amateur radio repeaters use a separate receive
and transmit frequency. The receive frequency may
be above or below the transmit frequency. Most
repeater configurations fall into one of the following
categories.
Offset
Direction
UHF Band
(European version
VHF Band UHF Band only)
2 Selecting the Offset Direction
Press the SHIFT key. The transceiver will shift from
one offset direction to the other, such as from + to
-, or from - to simplex where no indicator shows.
In the European version (UHF band ), - change
to--.
3 Automatic Offset Selection
n
U.S.A. and CANADA versions
The TH-78A is programmed according to the
standard ARRL(Amateur Radio Relay League) Band
Plan for repeater offset direction. You can override
this programming by using the SHIFT key as
described in the preceding paragraph.
n
European version
The TH-78E automatic offset is programmed as
follows.
144.00 145.600
145.800
SIMPLEX
- 600 kHz
SIMPLEX
n To cancel automatic offset
Press and hold the BAND key and switch the power
on.
This operation switches automatic offset mode on or
off.
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