Firstcom FR-488 - Transmission and Power Settings

20
8
Turn selector knob to select the desired
3.
combination
If select "SQ",it indicates you can hear the calling from caller when
receive a matching carrier.
If LCD displays "CTC",it indicates

you can hear the calling from caller
when receive a matching carrier and
CTCSS/DCS signaling .
If LCD displays "TON",it indicates

you can hear the calling from caller
when receive a matching carrier and
DTMF/2TONE/5TONE signaling .
If LCD displays "C/T",it indicates

yo u c a n h e a r th e c al l i n g f r o m
caller when receive a matching
c a r r i e r a n d C T C S S / D C S a n d
DTMF/2TONE/5TONE signaling .
If LCD displays "C/T",it indicates you can hear the calling from

caller when receive a matching carrier and either CTCSS/DCS
DTMF/2TONE/5TONE signaling. .
Press
4.
key to conrm and exit
HIGH/MID/LOW Power Selection
Press and hold
1.
key for over 2s to
enter general setting menu.
Press
2.
/ key to choose No.07
menu, LCD displays”POW--HI”.
Turn selector knob to select the desired
3.
setting.
HI: High TX Power
MI : Middle TX Power
LOW: Low TX Power
Press
4.
key to conrm and exit.
Band-width Selection
Select suitable bandwidth in accordance with different local conditions.
Press and hold
1.
key for over 2s to enter general setting menu.
Press
2.
/ key to choose No.08
menu, LCD displays"BAND--25".
Turn selector knob to select the desired
3.
setting.
25: band width is 25k(Wide band)
20: band width is 20k(Middle band)
12:band width is 12.5k(Narrow band)
Press
4.
key to conrm and exit.
Default:25(Wide Band)
5.
.
General Setting
Press and hold
1.
key for over 2s to
enter general setting menu.
Press
2.
/ key to choose No.06
menu, LCD displays "SPK--SQ".
This setting will be set together with adding optional signaling
and CTCSS/DCS.