Radio Shack RPO-137 - About Your Scanner

4
About Your Scanner
Headphones
Func
Various functions in
combination with other
keys.
Press and release, then
press the next key.
Menu
Enters Menu mode.
Press to return to the
previous menu.
Press and hold to exit
Menu mode.
SEL / VOL / SQL
Rotate to select next or
previous, and to change
scan or search direction.
Push to enter Volume
Control mode, or to
complete the entry of
frequencies and text in
Menu mode.
Push after Func to enter
squelch control mode.
PC / IF
Connect an optional PC
interface cable here to
use the scanner with your
computer.
6V 800mA
Connect an external
power source here (not
included).