Squelch And Attenuator - Radio Shack 20-164 User Manual

To turn on the backlight:
1.. Hold.down.LIGHT.until.the.light.turns.on..
s.
2.. To.turn.off.the.backlight,.press.LIGHT.
To change the backlight mode:
1.. Turn.on.the.scanner.."Multi-system.Trunking.
g.
2.. While."Multi-system.Trunking.Scanner".
3.. Press..or..to.select.a.backlight.mode.
.
.
4.. Press.ENT.
To change the display contrast:
1.. Press.MAN.
2.. Press.FUNC.then.9..
3.. Press..or..to.select.the.contrast.
4.. Press.ENT.
.

Squelch and Attenuator

The.squelch.and.attenuator.help.you.control.
your.scanner's.sensitivity..If.you.hear.a.hissing.
sound,.the.scanner.will.remain.on.an.active.
channel,.even.after.a.disconnect.tone.or.a.
stopped.transmission.
Scanner".appears.
appears,.press.LIGHT.
and.duration.(seconds)..
Normal
3
5
10
20
Keypress
K3
K5
K10
K20
11
Ignore
I3
I5
I10
I20