Calibrate For Swr (Standing Wave Ratio); To Receive; Selecting A Channel; S-Meter - Cobra 29 LX Owner's 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.
NB /ANL
2 3
1.5 CAL
SWR
RX
S/ RF
RF
3 5 7 9
1
SIG +30dB
SWR /CAL
VOL SQ DYNAMIKE
OFF MIN
PUSH &
HOLD
CH 9/
SCAN
19
MEM SCAN
ESC
SWR
RF GAIN DELTA TUNE T BACK
CAL
MIN MAX OFF
6
29LX_MANL_TH_REV_082222.indd 6-7 29LX_MANL_TH_REV_082222.indd 6-7
1. Select channel 20.
MEM
M
2. Press SWR/CAL button to select CAL.
3. Push and hold the mic button.
4. While holding mic button adjust the
SWR CAL knob so the meter swings to
the CAL mark on the meter (located on
the right).
Operation
Calibrate for SWR
continued
NB /ANL
1.5 2 3
SWR CAL
RX
S/RF
RF
SWR
3 5 7 9
1
SIG +30dB
SWR /CAL MEM
VOL SQ DYNAMIKE
OFF MIN M
NB/ANL
1.5 2 3
NB/ANL SWR CAL
ANL
RX
S/RF
S/RF
RF
SWR
CAL
3 5 7 9
1
SIG +30dB
SWR/CAL MEM W
VOL SQ DYNAMIKE
OFF MIN MIN
RX
F
3 5 7 9
1
SIG +30dB
MEM
DYNAMIKE RF GAIN DEL
MIN MIN MAX
2 3
1.5
CAL
SWR
RX
S/RF
RF
5 7 9
3
1
SIG +30dB
VOL SQ DYNAMIKE
5. Release the PTT button, press and
release the S/RF-SWR CAL button to the
SWR position. Then press the PTT button
to read the SWR reading.
6. Repeat the same steps two through five
on Channel 1 and 40. This will check
SWR for all channels.

To Receive

Rotate the On/Off Volume knob clockwise.
The RX icon will be displayed.

Selecting a Channel

Unit should be in CB mode. Rotate channel
selector clockwide or counter-clockwise to
select desired channel.

S-Meter

Swings proportionately to strength of
incoming signal when receiving.
The S/RF-SWR-CAL switch must be in the
S/RF setting to read the meter.
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