Calibrate For Swr (Standing Wave Ratio) - Cobra 29 LX MAX How To Use Manual

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 SWR/CAL button to select CAL.
10
2 3
1.5
NB/ANL SWR CAL
ANL
RX
S/RF
RF
3 5 7 9
1
SIG +30dB
MEM WX !
SQ RF GAIN DYNAMIKE
MIN MAX MIN
1.5
NB/ANL
SWR
ANL
S/RF
RF
SWR
CAL
1
SIG
SQ
VOL
2 3
NB/ANL 1.5
SWR
ANL
RF
CAL
3 5 7 9
OFF 1 MIN
SIG
VOL SQ RF GAIN
OFF MIN
PUSH &
HOLD
SCAN CH 9/19
SWR
DELTA TUNE T BACK
CAL
OFF
3
Push and hold the mic button.
3
2
CAL
TX
RX
3 5 7 9
+30dB
MEM WX !
RF GAIN DYNAMIKE
CAL
TX
RX
MAX MIN
+30dB
MEM WX !
DYNAMIKE DELTA TUNE T BACK
4 While holding the
mic button adjust
the SWR CAL
MAX MIN
knob so the meter
swings to the
mark 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
CAL
continued
11
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.