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4.4 Calls between radios
To speak yourself, press the PTT talk button on the left-hand side. Hold the unit about 5 cm
from your mouth and speak in a normal voice. When you have finished, release the talk button.
Note: Remember that all radios, which are set to the same channel and are within
receiving range, will be able to hear your call at the same time.
During sending the display symbol
appears and when receiving the display symbol
appears.
8 volume levels can be set using the
and buttons.
While you are holding the talk button, you will not be able to hear any incoming calls.
As is usual with radio units, only one of the two participants in the call can speak at
any one time.
4.5 Sending a call signal
You can summon the attention of the person you are calling by means of the call signal. Press
the call button
once. A signal tone will sound on the unit called. Remember that call
signals will sound on all radios that are within receiving range. Now wait until the person called
answers.
4.6 Range of the radios
The radios have a range of up to 3 km outdoors. This maximum range can be reduced under
certain circumstances. You can achieve maximum range in open, flat conditions. If there are
buildings or trees in the signal path then the range will be reduced. The range is even further
reduced in hilly terrain.
4.7 Increasing the maximum range
The radios are equipped with a so-called Auto-Squelch system, by means of which weak
transmissions and undesirable noises are automatically filtered out during use. This Auto-
Squelch system can be temporarily switched off in order to increase the range.
Press the
MENU
button three times. The automatic suppression will be switched off and it will
now be possible for even very weak signals to be received. Switch on the Auto-Squelch again
with the button
MENU
or the PTT talk button.
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