Operation, Setting squelch, Squelch is the “control gate” for incoming signals – Cobra Electronics 25 NW User Manual
Page 13: Gate open gate closed

Operation
13
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
Gate open
Gate closed
Setting Squelch
Full clockwise rotation closes the gate
allowing only very strong signals to enter.
Full
counterclockwise rotation opens the
“gate” allowing all signals in.
Setting Squelch
Squelch is the “control gate” for incoming signals.
2
1
SIG 1
3
5 7 9
+30dB
RF
M I N
M A X
M I N
M A X
O F F
CLASSIC
SIG 1
3
5 7 9
+30dB
RF
M I N
M A X
M I N
M A X
O F F
LTD CLASSIC