III
QUICK REFERENCE
2001 NEW 2001 NEW
■ Basic voice transmission and reception
DD
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, “RX” indicator appears
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
NB
] to turn the noise blanker
ON and OFF.
•“NB” appears when the noise blanker is activated.
•See page 48 for the noise blanker level adjustment.
• AGC (Automatic Gain Control) OFF function
Push [F] then [5
AGC
×
] to turn the AGC OFF
function ON and OFF.
•“ ” appears when the AGC-OFF function is
activated (deactivating AGC).
• RF gain level
Push [F], [6
RF
-
G
] to enter the RF gain adjust-
ment mode, then rotate [CH] to adjust the gain.
•Adjust the gain within 0 (low sensitivity) to 9 (maxi-
mum sensitivity) range.
• Push [MODE
SET
] to exit the adjustment mode.
• Clarity
Push [F], [RX
CLAR
] to switch the clarity func-
tion ON and OFF, then rotate [CH] for critical
tuning.
[5 AGC
×
]
[1
NB]
[F] [RX CLAR]
[6 RF-G]
DD
Transmitting in voice
q Select the desired channel via [GRP] and [CH], or
keypad.
w Push [F], then push and hold [TX
TXF
] for a while
to monitor the transmit frequency of the selected
channel.
•The transmit frequency is displayed and “TX” blinks.
•When the channel is busy, wait until it becomes clear,
or change the channel.
e Push [F] then one of [7 Lo], [8 Mid] or [9 Hi] to se-
lect low, middle or high output power, respectively.
r When the optional AT-140 is connected, push
[TUNE
THRU
] to start manual tuning.
•“TUNE” appears when the antenna is tuned.
•“TUNE” blinks when a tuning error has occurred.
• Automatic tuning function is also available.
t Push and hold [PTT] on the microphone to trans-
mit.
•“TX” appears.
•If “SWR” appears during transmit, check your antenna
system.
y Speak into the microphone at your normal voice
level.
u Release [PTT] to return to receive.
•“TX” disappears.
IC-M802_USA.qxd 02.5.30 11:39 Page III
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