Cobra Electronics 29 NW - Manual (Page 6)

E R F G A I N
S W R C A L
S N B /
A N L
A N L
O F F
C B
P A
C H 1 9
C H 9
N O R
M A X M I N M A X O
S Q L D I M M E R
H I
N O R
M I N M A X
R X / T X A N T
29 NW LTD CLASSIC
TONE
While holding mic
button adjust the
SWR CAL knob so the
meter needle swings
to the CAL ▼ mark on
the meter (located on the right).
Operation Operation
Calibrate For
SWR (Standing
Wave Ratio)
11 10
continued
Note
Calibration must be made in an
open area (never in a garage).
Vehicle 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.
Note
ANT Warning indicator will
illuminate when SWR is above 3
on the scale (Check antenna
system).
Push and hold mic button.
Switch to the CAL position. 2
1
3
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.
D Y N A M I K E R F G A I N
S
S / R F
S W R
C A L
N B /
A N L
A N L
O F F
C B
P A
C
M I N M A X M I N M A X O F F
V O L S Q L
SIG 1 3 5 7 9 +30dB
2 3 CAL SWR
RF
D
N
29 NW LTD
PUSH &
HOLD
Select channel 20.
4
E R F G A I N
S W R C A L
S N B /
A N L
A N L
O F F
C B
P A
C H 1 9
C H 9
N O R
M M A X M I N M A X O
S Q L D I M M E R
H I
N O R
M I N M A X
R X / T X A N T
29 NW LTD CLASSIC
TONE
SIG 1 3 5 7 9 +30dB
2 3 CAL SWR
RF