Radio Shack 21-1904 Two-Way Radio User Manual


 
14
USING APO
You can set the radio to automatically
turn off when the radio is idle (no key is
pressed and nothing is transmitted or
received) for 30, 60 or 90 minutes. To
turn APO (Automatic Power Off) on/off,
continually press
MENU until APO and
30, 60, 90 or OFF appears. Press
e
or
d
to select the desired amount of time or
OFF.IfyouselectOFF, the radio does not
automatically turn off. Before the radio
shuts off, it beeps and vibrates. To
activate the radio, press any key. Make
sure the radio is set to
ON by setting the
rotary switch to on. The radio beeps
andvibrateswhenyouturniton.
USING HI/LO
TRANSMITTER POWER
You can set the radio transmit power to
0.5W or 1.5W. The transmit power of
channels 8–14 is fixed at 0.5W only
(FRS channel). To select 1.5W transmit
power, make sure that the channel is
not on channels 8–14 and then press
MENU until Lo appears. If you select
OFF, the radio transmit power is 1.5W;
select
ON to set the transmit power to
0.5W.Ô
Ô NOTE Ô
You cannot make the
power selection when
the radio is set to an
FRS channel (8-14).