Radio Shack RPO-137, User Manual

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1
5. Rotate the knob to select
1: On
or
2: Off
, then
press
E
PGM
. Press and hold
Menu
to exit the
Menu mode.
Using the Battery Save Function
When the scanner is set to receive (monitor) a
manually selected channel, and it is not actively
scanning, using the battery save feature conserves
energy.
To turn the battery save function on or off:
1. Press
Menu .
2. Rotate the knob to select
6: Settings
, then press
E
PGM
.
3. Rotate the knob to select
4: Battery Save
, then
press E
PGM
.
4. Rotate the knob to select 1: On or 2: Off , then
press E
PGM
. Press and hold Menu to exit the
Menu mode.
Adjusting the LCD Contrast
You can set the LCD contrast from level 1 to 8.
1. Press
Menu .
2. Rotate the knob to select
6: Settings
, then press
E
PGM
.
3. Rotate the knob to select 3: LCD Contrast , then
press E
PGM
.
4. Rotate the knob to select the contrast level
you want to set, then press
E
PGM
. Press and
hold Menu to exit the Menu mode.
Using the Scanner at the Racetrack
You can hear drivers communicating with their pit
crews, officials communicating with drivers and
crews, and track workers communicating with
everybody. Each user at the racetrack transmits