
67
Beyond the Basics
attenuator on or off.
ATG
or
atg
appears on the second
line.
Press
FUNC
and then
ATT
again to turn off the global
attenuation mode.
Normal ATT.
appears on the bottom
line for about 2 seconds.
If you turn on the attenuator, the scanner might not
receive weak signals.
turning the key tone on and off
Each time you press any of the scanner’s keys, the
scanner sounds a tone. To turn the scanner’s key tone
off or on:
1. If the scanner is on, turn
OFF/VOL
counterclockwise
until it clicks to turn the scanner off.
2. Turn
OFF/VOL
clockwise to turn the scanner on.
Multi-
system Trunking Scanner
appears.
3. While
Multi-system Trunking Scanner
appears, press
1
to
turn on the key tone or
2
to turn it off.
using the dimmer
Repeatedly press
DIM
to adjust the brightness of the
display backlight to Dark, Light Off, or Light.
changing the display contrast
1. Press
MAN
.
2. Press
FUNC
then
9
.
Use Up/Down keys to set contrast,
ENTER key saves.
appears.
Note
Note
Содержание Pro 2055
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