CB Radio Cobra 29 LX MAX Manual do utilizador - Página 6
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Operation
Calibrate for SWR (Standing Wave Ratio)
SWR calibration is done to properly adjust the length of
the antenna and to monitor the quality of the coaxial
cable and all RF connections.
This calibration is critical in order to achieve optimum
performance.
VOL
OFF
Set the radio to channel 20.
1
2
Press S/RF-SWR/CAL button to select CAL.
10
1.5
2
3
NB/ANL
CAL
SWR
ANL
RX
S/RF
RF
3
5 7 9
1
SIG
+30dB
MEM
WX !
SQ
RF GAIN
DYNAMIKE
MAX
MIN
MIN
1.5
NB/ANL
SWR
ANL
S/RF
RF
SWR
CAL
1
SIG
VOL
SQ
1.5
2
NB/ANL
SWR
ANL
RF
CAL
3
OFF
1
MIN
SIG
SQ
VOL
RF GAIN
OFF
MIN
PUSH &
HOLD
SCAN
CH 9/19
SWR
DELTA TUNE T BACK
CAL
OFF
3
Push and hold the Push-to-Talk (PTT) button.
3
2
CAL
TX
RX
3
5 7 9
+30dB
MEM
WX !
RF GAIN
DYNAMIKE
3
CAL
TX
RX
5 7 9
MAX
MIN
+30dB
MEM
WX !
DYNAMIKE
DELTA TUNE T BACK
4
While holding the
PTT adjust the
SWR CAL knob so
MAX
MIN
the meter swings
to the
CAL
on the right side of
the meter.
SCAN
CH 9/19
SWR
DELTA TUNE T BACK
CAL
SCAN
CH 9/19
OFF
SWR
CAL
OFF
mark
continued
Operation
Note
Calibration must be made
in an open area (never in a
garage). The vehicle 's doors
must be closed. No one should
be standing near the antenna.
(See your antenna directions for
more complete information).
Note
The reading will be slightly
higher on Channels 1 and 40
compared to Channel 20.
11