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16
3
BASIC OPERATION
3
■
Receiving
q
Set the audio level.
➥
Push
[MONI•DTMF]
to open the squelch.
➥
Rotate
[VOL]
to adjust the audio level.
➥
Push
[MONI•DTMF]
to close the squelch.
w
Set the squelch level.
➥
Rotate
[SQL]
fully counterclockwise in advance, then
rotate
[SQL]
clockwise until the noise just disappears.
• When interference is received, rotate
[SQL]
clockwise again
for attenuator operation. (p. 17)
e
Set the operating frequency.
(pgs. 11, 12)
r
When receiving a signal on the set frequency, squelch
opens and the transceiver emits audio.
• “BUSY” appears and the S/RF
indicator shows the relative
signal strength for the re-
ceived signal.
✔
CONVENIENT!
The audio and squelch level can also be adjusted
with
[
VOL
Y
Y
(TONE-1)]
/
[
VOL
Z
Z
0(TONE-2)]
and
[
SQL
Y
Y
D(MUTE)]
/
[
SQL
Z
Z
#(16KEY-L)]
, respectively.
• “VOL” for audio or “SQL” for squelch appears during set.
■
Monitor function
This function is used to listen to weak signals without disturb-
ing the squelch setting.
➥
Push
[MONI•DTMF]
to open the squelch.
• “BUSY” blinks.
• Push
[MONI•DTMF]
again to cancel the function.
➥
Push
[
MONI
1(BANK)]
to open the squelch.
• Push
[
MONI
1(BANK)]
again to cancel the function.
NOTE:
When
[SQL]
adjustment is set too far clockwise,
(12–17 o’clock position)
the squelch attenuator is activated.
To monitor weak signals on the operating frequency, deac-
tivate the squelch attenuator function. See p. 17 for details.
MONI
1
[MONI•DTMF]
Blinks
Show set level
SQL
Y
/
Z
D/#
VOL
Y
/
Z
M
/0
Appears when receiving a signal
ID-800H_1.qxd 2007.06.14 3:09 PM Page 16