GME TX3200 - Manual (Page 12)

12
A repeater system consists of a linked
transmitter/receiver combination installed in a
prominent location. The repeater is designed
to receive signals on a designated channel and
re-transmit them on another channel.
Repeaters are usually located on hills,
mountains or tall buildings. The increased
elevation greatly improves the range of the
repeater beyond that of a normal base or
mobile. This means that the repeaters are able
to receive and retransmit signals to radios that
would otherwise be out of range of each other.
Normally, UHF transceivers transmit and
receive on the same channel. This is known as
SIMPLEX operation. However, to communicate
through repeaters, your transceiver must
be able to transmit and receive on different
channels (known as DUPLEX). Your TX3200
has a Duplex key to allow you to operate
through repeaters.
The Duplex function only operates on channels
1 - 8, as these are the channels that have been
designated for repeater use. When Duplex
mode is selected, your TX3200 receives on
the selected channel (e.g. channel 1) but
automatically transmits 30 channels higher
(i.e. channel 31). The UHF repeater receives
your signal on Channel 31 and retransmits it on
channel 1 for others to hear.
REPEATERS
terminal. Alternatively, the positive lead could
be connected into the fuse box at a point
that has +13.8 Volts continuously available
(preferably the battery side of the ignition
switch).
Radio turns on and off with the ignition
switch:
Connect the radio’s negative (black) lead to the
vehicle’s chassis, or if preferred, directly to the
battery’s negative terminal.
The radio’s positive (red) lead should connect
to an accessory point in the vehicle’s fuse
box. This point should supply +13.8 Volts only
when the ignition switch is turned ON or in the
ACCESSORY position.
HIGH VOLTAGE WARNING
The TX3200 has a built-in, high voltage
detection system to warn you if an overvoltage
situation occurs.
If the power supply voltage exceeds 18 Volts
DC, the channel display will flash “hi dc” for
5 seconds when the unit is first turned on, or
at the time the voltage exceeds 18 Volts. In
addition, when transmitting, the TX indicator
will flash and the transmitter will select low
output power.
If the overvoltage warning appears you should
switch your TX3200 off and disconnect it from
the power source, before locating the cause of
the trouble.
Once the High Voltage warning has been
triggered, and you have fixed to source of the
problem, you will need to switch the TX3200
OFF then ON again to reset it.
If the power source exceeds 30 Volts, the
internal protection diode will cause the fuse to
blow.
ANTENNA CONNECTION
GME Electrophone supply a wide range of
mobile and base station antennas designed
specifically for UHF CB communications.
The antennas are fitted with a PL259 coaxial
plug suitable for connection to the antenna
socket on the rear panel of the transceiver.