Preamp And Attenuator - Icom IC-F8100 Instruction Manual

ï Preamp and Attenuator
The preamp amplifies received signals in the front
end circuit to improve the S/N ratio and sensitivity.
Turn ON this function to better receive weak signals.
The attenuator prevents strong undesired signals near the
desired frequency or near your location, such as from a
broadcast station, from causing distortion or spurious sig-
nals.
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ï Noise Blanker
The noise blanker reduces pulse-type noise such as
that generated by automobile ignition systems.
The noise blanker may distort reception of strong
signals. In such cases, the noise blanker should be
turned OFF.
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RECEIVE AND TRANSMIT
q Hold down [MENU](HOME) for 1 second to enter
the Menu screen.
w Push [r] or [s] to select the "User Menu," and
then push [4].
e Push [r] or [s] to select "Pre Amp."
r Push t or u
[ ](§) [ ](§§§)
Attenuator function.
t Push [MENU](HOME) twice to return to the nor-
mal operating screen.
q Hold down [MENU](HOME) for 1 second to enter
the Menu screen.
w Push [r] or [s] to select the "User Menu," and
then push [4].
e Push [r] or [s] to select "Noise Blanker."
r Push u to turn ON the Noise Blanker func-
[ ](§§§)
tion.
t Push [s] to select "Blanker Level."
y Push t or u
[ ](§) [ ](§§§)
level.
u Push [MENU](HOME) twice to return to the nor-
mal operating screen.
When using the noise blanker, received signals
may be distorted if they are excessively strong.
to turn ON the Preamp or
to adjust the noise blanker
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