5
Acoustic signalling settings:
1. Switch off the radio and connect Hand microphone to rear radio connector.
2. Press and hold PTT button on the hand microphone and switch on the radio.
Hold PTT button until beep sound comes from the speaker. It sounds once, two
or three times depending on actual signalling mode.
3. Switching to another mode follows by repeating that procedure. All three modes
are switched consequently in cycles.
4.
Attention
: When the radio is in silent mode, use the speaker microphone in silent
mode, too.
Optical signalling
Beginning of real transmission is indicated by red LED on front side of the speaker
microphone. Real radio transmission indicated by red LED can start short time after
pressing PTT due to busy radio network.
There is a yellow button on the top of the speaker microphone. It is possible to set
button function by the producer in accordance with customer
’s requirements:
1. WHITE LAMP
– Yellow button has a lamp (torch) function. Intensive white light
lights up on front side of the speaker microphone for seven seconds after press-
ing yellow button.
2. END
– Yellow button has END function, i.e. hanging up.
3. EMER
– Yellow button has EMERGENCY function.
4. PTT - Yellow button has Press To Talk function.
Optical signalling suppression -
for White Lamp settings only
It is possible to suppress red LED signalling PTT when user requires discreet op-
eration in darkness.
Optical signalling suppression settings:
1. Switch off the radio and connect the hand microphone to rear radio connector.
2. Press and hold yellow button and switch on the radio. Hold yellow button until
white LED lights up. Red LED optical signalling is suppressed now.
3. PTT optical signalling is active again by repeating that procedure. Mode settings
is not changed by standard switching on and off the radio.
Note: Optical signalling is automatically suppressed when the radio is in silent
mode.
