5-11
TONE ALERT
SYSTEM
The Tone Alert
function will provide an audible
"Alarm"
to
signal when someone is
transmitting
on
the
frequenc~you
are
monitoring:_
___
·---··
~
Note
1
When using the
CTCSS
function the incoming sig-
nal
must
be
present
for
approximately 2 seconds
in order
for
the Tone Alert function properly.
2.
When the
DTSS function is on, the
bell
function
works
only when the
DTSS
code matches. .
3 When the paging function is on, the
bell
functton
works
on;
when the code matches.
1.
Adjust the
SQL
control
to
the threshold
point.
2.
If
you
will
be
using the CTCSS functiOn
you should
select the proper tone frequency and ensure the
cress
indicator is on.
If
you will
be
using the
DTSS
function you should
select the proper
DTSS
codes and ensure the
DTSS
indicator
is on.
If
you will
be
using the PAGING function you should
select the proper
PAGING
codes
ana ensure the P
indicator is on.
3. Press the F key and then the TONE/T.AL T key. The
T.AL T indicator will
light.
4.
When a signal
is
received and the squelch is open,
an
alarm sounds for about five seconds, the T.AL T
indicator flashes, and the elapsed time count begins.
5. The elapsed time
is
displayed
in
minutes
to
up to
59
hours
59
minutes.
If
a new signal is received during
counting, the elapsed time is cleared, and the
elapsed time
from
the new signal being received
IS
counted.
Flashing
_jx
551.59
/
1
-
..
-·-·-·
.
·"""'-
6.
If
a key is pressed
wh1le
the elapsed time is being
displayed, the T.AL T function is released.
7. To release the T.AL T function when no signal is being
received, press the TONE/T.AL T key again
_
.
fl\fo-tes
l
· 1
When the
PF
key
on
the microphone is set as the
1
monitor
key, the voice can
be
monitored by press- ·
ing the
PF
key while
the
T.AL T function
is
working:
1
2.
The T.AL T function may fail
if
the received
s1gnalts
1
!
abandoned (audio low-frequency distort1on,
1gn1-
tion noise, etc.).
In
this case, the Interference can
.
be
reduced by installing an optional TSU-6
and
setting the
CTCSS
frequency to
141.3
Hz
or
lower.
When a repeater is used, the
CTCSS
function is not
available.
It
is recommended to
use
it
with the
DTSS function.
3.
The tone
Alert System
can not
be
use
in
conjunction with Scan.
47
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