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QUICK REFERENCE
I Basic voice transmission and reception
D D Receiving a signal
q Select the desired channel via [GRP] and [CH], or
keypad.
• Turn ON/OFF the squelch function or adjust the
squelch level as desired.
w When a signal is received, "
and audio is output from the connected speaker.
• Rotating [VOL] to adjust the audio output level at this
moment is recommended.
• S-meter shows the received signal strength.
e Use the following functions, if desired:
• Noise blanker
Push [F] then [1
ON and OFF.
• "
" appears when the noise blanker is activated.
• See page 42 for the noise blanker level adjustment.
• AGC (Automatic Gain Control) OFF function
Push [F] then [5
function ON and OFF.
• "
" appears when the AGC-OFF function is
activated (deactivating AGC).
D D Transmitting in voice
q Select the desired channel via [GRP] and [CH], or
keypad.
w Push [F], then push and hold [TX
to monitor the transmit frequency of the selected
channel.
• The transmit frequency is displayed and "
• When the channel is busy, wait until it becomes clear,
or change the channel.
[GRP] [CH]
III
" indicator appears
] to turn the noise blanker
NB
×
] to turn the AGC OFF
AGC
] for a while
TXF
" blinks.
[F]
[TX
]
TXF
• RF gain level
Push [F], [6
] to enter the RF gain adjust-
-
RF
G
ment mode, then rotate [CH] to adjust the gain.
• Adjust the gain within 0 (low sensitivity) to 9 (maxi-
mum sensitivity) range.
• Push [MODE
] to exit the adjustment mode.
SET
• Clarity
Push [F], [RX
CLAR
tion ON and OFF, then rotate [CH] for critical
tuning.
[F] [RX
e When the optional AT-141 is connected, push
[TUNE
] to start manual tuning.
THRU
• "
" appears when the antenna is tuned.
• "
" blinks when a tuning error has occurred.
• Automatic tuning function is also available.
r Push and hold [PTT] on the handset or micro-
phone to transmit.
• "
" appears.
• If "
" appears during transmit, check your antenna
system.
t Speak into the handset or microphone at your nor-
mal voice level.
y Release [PTT] to return to receive.
• "
" disappears.
] to switch the clarity func-
[1
]
[6
]
NB
RF-G
×
]
[5
]
CLAR
AGC
[TUNE
]
THRU
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