switel WTF737 Mode D'emploi page 58

Operating the Walkie−Talkies
Selecting a channel
PMR446 (Private Mobile Radio) walkie−talkies can be used throughout Europe free of
registration and call charges. There are 8 radio channels available within the fre-
quency range 446.000 MHz to 446.100 MHz.
1 x, X/Y, P
Every process is automatically cancelled if there is no input within 5 seconds.
Channel
1
2
3
4
Selecting the CTCSS
There are 38 analogue (CTCSS 1 − 38) and 83 digital (DCS 1 − 83) codes available
per channel. It is only possible to communicate using the walkie−talkies when they are
each set to the same channel and CTCSS/DCS code.
The CTCSS/DCS codes are transmitted as inaudible signals together with
the standard voice communication. When received, the voice communica-
tion signal is only transferred to the loudspeaker when the channel and
CTCSS/DCS code set on the receiver are identical to that of those re-
ceived (settings on the transmitter). If, by coincidence, another subscriber
is using the same channel and CTCSS/DCS code, change to a free chan-
nel together with the party being called.
2 x M
X/Y P
3 x M
X/Y P
1
CTCSS: Continous Tone Coded Squelch System = Selective call
2
DCS: Digital Coded Squelch = Selective call
58
Select the channel and confirm it
Frequency (MHz)
446.00625
446.01875
446.03125
446.04375
1 2
/ DCS code
Activate CTCSS code programming mode
Select the CTCSS code and confirm it
or
Activate DCS code programming mode
Select the DCS code and confirm it
Channel Frequency (MHz)
5 446.05625
6 446.06875
7 446.08125
8 446.09375