Operation, Dimmer switch, Setting squelch – Cobra Electronics 29 WX NW BT User Manual

Page 10: Dimmer switch setting squelch, Ga t e

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Full

clockwise rotation closes the gate

allowing only very strong signals to enter.

Full

counterclockwise rotation opens the

“gate” allowing all signals in.

To achieve the Desired Squelch Setting (DSS),
turn the Squelch control

counterclockwise

until you hear noise. Now turn the control
clockwise just until the noise stops. This is the
DSS setting.

Dimmer Switch

Setting Squelch

Squelch is the “control gate” for incoming signals.

19

Dimmer Switch

18

Operation

Operation

1

2

1

3

Rotate the

Dimmer knob clockwise for maxi-

mum brightness; counter-clockwise for minimum

SIG 1

3

5 7 9

+30dB

2

3

CAL

RF

SWR

RF

S / R F

S W R

C A L

N B /
A N L
A N L

O F F

C B

PA

C H 1 9

C H 9

N O R

M I N

M A X

M I N M A X

O F F

V O L

S Q L

CB

W X

29 WX NW

R

WEATHER

RF GAIN

DYNA

D I M

7

1

6

2

5

3

4

T BACK

NOISE

WEAK SIGNALS

MEDIUM SIGNALS

STRONG SIGNALS

G

A

T

E

C

L

O

S

E

D

NOISE

WEAK SIGNALS

MEDIUM SIGNALS

STRONG SIGNALS

NOISE

WEAK SIGNALS

MEDIUM SIGNALS

STRONG SIGNALS

G

A

T

E

O

P

E

N

NOISE

WEAK SIGNALS

MEDIUM SIGNALS

STRONG SIGNALS

NOISE

WEAK SIGNALS

MEDIUM SIGNALS

STRONG SIGNALS

G

A

T

E

Gate open

Gate set to Desired
Squelch Setting (DSS)

Gate closed

SIG 1

3

5 7 9

+30dB

2

3

CAL

RF

SWR

RF

S / R F

S W R

C A L

N B /
A N L
A N L

O F F

C B

PA

C H 1 9

C H 9

N O R

M I N M A X

M I N M A X

O F F

V O L S Q L

CB

W X

29 WX NW

RX/TX

WX

WEATHER

RF GAIN

DYNA D I M

7

1

6

2

5

3

4

ANT

T BACK SWR CAL

SIG 1

3

5 7 9

+30dB

2

3

CAL

RF

SWR

RF

S / R F

S W R

C A L

N B /
A N L
A N L

O F F

C B

PA

C H 1 9

C H 9

N O R

M I N M A X

M I N M A X

O F F

V O L S Q L

CB

W X

29 WX NW

RX/TX

WX

WEATHER

RF GAIN

DYNA D I M

7

1

6

2

5

3

4

ANT

T BACK SWR CAL

Setting Squelch

SIG 1

3

5 7 9

+30dB

2

3

CAL

RF

SWR

RF

S / R F

S W R

C A L

N B /
A N L
A N L

O F F

C B

PA

C H 1 9

C H 9

N O R

M I N M A X

M I N M A X

O F F

V O L S Q L

CB

W X

29 WX NW

RX/TX

WX

WEATHER

RF GAIN

DYNA D I M

7

1

6

2

5

3

4

ANT

T BACK SWR CAL

Note

The Dimmer controls the
brightness of the front panel,
signal strength meter and
channel display.

29WXNWBT_MANL.qx:29WXNWBT_MANL.qx 1/7/09 4:26 PM Page 18

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