User's Manual

31
Channels
0544
7.1.6 Squelch
The squelch level can be adjusted by using the and buttons.
Pressing the buttons will contribute to the global squelch setting on the radio. Squelch
indicators on the handset CU and on the main unit will always follow each other regardless of
the control input used for adjustment.
NOTE: If a channel is reached where the squelch setting was programmed from the main
unit, usage of the squelch control will set the level for that particular channel, and reset the
squelch programming.
7.1.7 Dimming
Dimming the control unit display and keypad backlight and 1W LED is done exactly as
described for the VHF, but with no graphical information.
7.1.8 Receiving a DSC call
If a DSC call is received the following will show on the CU channel display depending of the
call type:
alternating
... If an active distress call was received
(changing with 1Hz).
... If a routine call was received
... If an urgency call is received.
... If an safety call is received.
... If an PSTN call is received.
Normal radiotelephony calls can be acknowledged from the semi-intelligent handset making
the HS hooked to HS un-hooked transition.
If an error or warning occurs the following is displayed: