User Guide

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 42 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
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 When the optional AT-141 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.
r Push and hold [PTT] on the handset or micro-
phone to transmit.
•“TX” appears.
• If “SWR” 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.
•“TX” disappears.
[TUNE THRU]
[TX TXF][GRP] [CH] [F]
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