ATS (Auto Tone Search) Operation
If you hear signals which you suspect (or
know) are using CTCSS, but are unsure which
tone frequency is being used, you can activate
Automatic Tone Search to determine the fre-
quency of the
To enable ATS, press
and listen for the resulting
If
you hear one low-pitched beep, CTCSS scanning
is enabled. If you hear a high-low beep sequence,
press
again while
is still displayed (or
else press
if it is not). In either case,
press the
when done.
Once Auto Tone Search is enabled, you can acti-
vate it on the current channel frequency:
First activate CTCSS Tone Squench
and
again, if necessary, until
appears).
Press
to display a CTCSS fre-
Hold
or
for second to begin scan-
The scanning speed is rapid when no signal is
present, and slows to several
when a signal appears, as the signal is checked
for a CTCSS tone. When a matching tone is
TSETABC
TSETABC
TONE
(Y
TONE
(Y
TSETABC
quency.
ning.
found, scanning stops, the decimal point blinks,
a high-low beep sounds and the display illumi-
nates (if enabled). The CTCSS tone in use now
appears on the display. Press the
PTT
to stop
ATS at this point with the CTCSS tone selected.
Otherwise, when the received carrier drops, ATS
resumes until another signal is received, or until
you press the
PTT
to exit (no transmission oc-
curs).
Summary of Contents for FT-51R
Page 1: ...FT 51R Dual Band FM Paging Transceiver...
Page 43: ......
