Radio Shack 21-1840 User Manual
Page 11
11
To hear everything happening on a channel (includ-
ing weak transmissions), hold down
MON
. Release
MON
to turn auto-squelch back on.
To send a page, press CALL. The TX/LO BATT indi-
cator lights and a tone sounds on all radios within
range that are tuned to the same frequency as your
radio.
Important: The FCC does not allow you to send a
continuous tone for more than 15 seconds at a time
on FRS frequencies. Do not hold down
CALL
for
longer than 15 seconds.
For hands-free operation, connect the supplied
headset’s
3
/
32
-inch mini plug and
1
/
8
-inch plug to the
receiver’s
MIC/SPK
jacks. Set
VOX
to
HI
(for normal
conditions) or
LO
(if you are in a noisy environment.
The radio automatically transmits when you speak
and is set to receive when you are not speaking.
21-1840.fm Page 11 Thursday, August 5, 1999 3:15 PM