The Whistler Group SC04 User Manual
16
Turning on the Scanner
The squelch and attenuator control scanner
sensitivity. If squelch is set too low, the scanner may
stop on noise or silence.
sensitivity. If squelch is set too low, the scanner may
stop on noise or silence.
Note: Make sure the scanner’s antenna is connected
before you turn it on.
before you turn it on.
1. Turn the SQUELCH knob to about mid-position.
2. Turn the VOLUME knob to turn on the radio.
3. Turn SQUELCH down (counterclockwise) until
2. Turn the VOLUME knob to turn on the radio.
3. Turn SQUELCH down (counterclockwise) until
you hear noise.
4. Turn SQUELCH up (clockwise) a little past where
the noise stops. The higher the squelch is set,
the stronger the signal required to break the
squelch.
the stronger the signal required to break the
squelch.