15
UNIDEN UH825
Handheld UHF-CB Transceiver
Operation
Call Function
The Call function transmits a short “wake up” tone to notify other users
of impending communication. You may select from 5 types of tones (see
Call Tone (Selecting a Call Tone)
on page 22).
To use the Call function:
1. Before you use Call, make sure the channel is not in use.
2. Long press
[--]
Smart Key until [Cal] appears, then press to make Call
and the Call Tone will be transmitted.
NOTE
Current regulations require calling tones to be restricted to
one transmission per minute. If a second transmission is
attempted within one minute then an error tone will sound.
Using a Repeater Channel
UHF-CB Repeaters are used to retransmit or relay your signal.
Repeaters will extend the range of your radio and overcome the
shielding effect caused by solid obstructions.
In normal Simplex operation, your radio transmits on one particular
frequency and receives on that same frequency. If there is a barrier (i.e.
a Tall Building) that partially blocks your transmitted signal, the possibility
of the other radio receiving the signal is very slim. Valleys, metallic
structures, etc., tend to act as a screen between radios.
Standard Operation without the aid of a Repeater Station
Operation with the aid of a Repeater
