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9
■
Audio mute function
This function temporarily mutes the audio without dis-
turbing the volume setting.
➥
Push
[FUNC]
then
[MUTE]
to mute the au-
dio.
• The “MUTE” icon appears.
•
Push
[CLR]
to cancel the function.
■
Squelch attenuator
The transceiver has an RF attenuator related to the
squelch level setting. Approximately 20 dB of attenua-
tion is obtained at the maximum setting.
Turn ON the Squelch Attenuator function:
q
Push
[ ]
to turn OFF the power.
w
While holding down
[LOCK]
(SET), hold down
[ ]
for
1 second to turn ON the power and enter the Initial
Set mode.
e
Push
[SET]
or
[MONI]
several times, to select the
“SQL” item.
r
Rotate
[DIAL]
to select “AT” (Attenuator).
t
Push
[ ]
to exit the Initial Set mode.
y
Rotate
[SQL]
clockwise further than the 12 o’clock
position, to activate the squelch attenuator.
•
The attenuation level can be adjusted up to 20 dB
(approximately), between the 12 o’clock and fully
clockwise positions.
•
When setting the squelch from the microphone, the
level greater than ‘17’ activates the squelch attenuator.
NOTE: When using with the Monitor function.
The squelch attenuator functions even when the
Monitor function is in use. It is recommended to set
[SQL]
between 10 and 12 o’clock (7 to 17 level when
it is set using the HM-133V).
■
S-meter squelch
The transceiver has an S-meter squelch. The S-meter
squelch allows you to set minimum signal level needed
to open the squelch.
Turn ON the S-meter Squelch function:
q
Push
[ ]
to turn OFF the power.
w
While holding down
[LOCK]
(SET), hold down
[ ]
for
1 second to turn ON the power and enter the Initial
Set mode.
e
Push
[SET]
or
[MONI]
several times, to select the
“SQL” item.
r
Rotate
[DIAL]
to select “SS” (S-meter squelch).
t
Push
[ ]
to exit the Initial Set mode.
y
Rotate
[SQL]
clockwise further than the 12 o’clock
position, to activate the S-meter squelch.
LOCK
SET
ANM
MONI
DUP
LOW
T-SCAN
TONE
PRIO
M/CALL
SCAN
V/ MHz
DIGITAL PRIO AO
MUTE
NAR
MID
LOW
Squelch attenuator
LOCK
SET
ANM
MONI
DUP
LOW
T-SCAN
TONE
PRIO
M/CALL
SCAN
V/ MHz
ATT
AO
NAR
MID
LOW
While the squelch attenuator is turned ON.
(
[DIAL]
is set between the 12 o’clock and fully clockwise positions.)
Appears
LOCK
SET
ANM
MONI
DUP
LOW
T-SCAN
TONE
PRIO
M/CALL
SCAN
V/ MHz
S SQL
NAR
MID
LOW
While the S-meter squelch is turned ON.
(
[DIAL]
is set between the 12 o’clock and fully clockwise positions.)
Appears
LOCK
SET
ANM
MONI
DUP
LOW
T-SCAN
TONE
PRIO
M/CALL
SCAN
V/ MHz
DIGITAL PRIO AO
BUSY
MUTE
NAR
MID
LOW
Appears
Mute
Push then .
LOCK
SET
ANM
MONI
DUP
LOW
T-SCAN
TONE
PRIO
M/CALL
SCAN
V/ MHz
DIGITAL PRIO AO
MUTE
NAR
MID
LOW
S-meter squelch
3
BASIC OPERATION
Using the HM-133V