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Keytones and Keylock
The scanner sounds a tone each time you press
a key. To prevent accidental changes, you can
lock the keypad.
To set the keytone:
1. Turn on the scanner. “Multi-system Trunking
Scanner” appears.
2. While “Multi-system Trunking Scanner”
appears, press 1 to turn on the keytone or 2
to turn it off.
To lock the keypad:
1. Press FUNC then KEY/LIGHT. “Key locked”
appears briey and the keypad is locked.
When locked, the only controls that operate
are FUNC, LIGHT/KEY, SQ, and VOL.
2. To unlock the keypad, press FUNC then
KEY/LIGHT again. “Key unlocked” appears.
Backlight and Contrast
Your scanner features a backlit keypad and
display for easy viewing. You can select from
three backlight modes:
Normal – Press LIGHT to activate the backlight.
Keypress – Press any key on the keypad to
activate the backlight.
Ignore – Keypress mode, but the scanner
ignores the function of the rst key pressed to
activate the backlight.
The light remains on for a set time after
the last button is pressed.
To turn on the backlight:
1. Hold down LIGHT until the light turns on.
2. To turn off the backlight, press LIGHT.
To change the backlight mode:
1. Turn on the scanner. “Multi-system Trunking
Scanner” appears.
2. While “Multi-system Trunking Scanner”
appears, press LIGHT.
3. Press or to select a backlight mode
and duration (seconds).
Normal Keypress Ignore
3 K3 I3
5 K5 I5
10 K10 I10
20 K20 I20
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.