Icom M802 Instruction Manual - Page 6

Basic voice transmission and reception - microphone

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QUICK REFERENCE I Basic voice transmission and reception 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, "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. •" AGC" appears when the AGC-OFF function is activated (deactivating AGC). • RF gain level Push [F], [6 RF-G] to enter the RF gain adjustment mode, then rotate [CH] to adjust the gain. • Adjust the gain within 0 (low sensitivity) to 9 (maximum sensitivity) range. • Push [MODE SET] to exit the adjustment mode. • Clarity Push [F], [RX CLAR] to switch the clarity function ON and OFF, then rotate [CH] for critical tuning. [1 NB] [6 RF-G] [F] [RX CLAR] [5 AGC×] D 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. 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. [GRP] [CH] [F] [TX TXF] e Push [F] then one of [7 Lo], [8 Mid] or [9 Hi] to select low, middle or high output power, respectively. [7 Lo] [9 Hi] [TUNE THRU] t Push and hold [PTT] on the microphone to transmit. • "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. [F] [8 Mid] III

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III
QUICK REFERENCE
■
Basic voice transmission and reception
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,
“
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
]
AGC
D
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.
[TUNE
THRU
]
[8
Mid
]
[7
Lo
]
[
F
]
[9
Hi
]
[TX
TXF
]
[GRP]
[CH]
[
F
]