Operation

Turning On

Turning On

 

Rotate ON - OFF Volume Control clockwise.

Operation

Gate open

Note

When you turn on the

STRONG SIGNALS

Squelch Volume

HH38 WX ST , a series of tones will be heard and the icons will briefly appear on the LCD display.

LCD lights on for 5 seconds.

Squelch Volume

Off

Off

2Fully counterclockwise opens the “gate” and all signals enter.

MEDIUM SIGNALS

WEAK SIGNALS

Setting Squelch Setting Squelch

Squelch is the “control gate” for incoming signals.

Gate closed

Squelch Volume

O P E N

G A T E

Gate set to Desired Squelch Setting (DSS)

STRONG SIGNALS

MEDIUM SIGNALS

WEAK SIGNALS

G A T E C L O S E D

Squelch Volume

Off

1Turn volume up louder than normal.

Squelch Volume

Off

2Fully clockwise closes the “gate”, allowing no incoming signals.

Off

3To 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.

STRONG SIGNALS

MEDIUM SIGNALS

WEAK SIGNALS

NOISE

AT E

G

 

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Cobra Electronics HH 38 WX ST operating instructions Turning On, Setting Squelch Setting Squelch