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OPERATION
19
Functions for receive
ï RIT function
The RIT (Receive Incremental Tuning) function com-
pensates for off-frequencies of communicating sta-
tions. The function shifts the receive frequency up to
1.2 KHz without moving the transmit frequency.
q Rotate the RIT control to cancel the off-frequen-
cies.
” appears on the display.
The transmit frequencies are not shifted.
w To cancel the RIT function,
rotate the RIT control to the
center position.
” disappears.
ï Preamp
The preamp amplifies received signals in the front
end circuit to improve the S/N ratio and sensitivity.
Turn this function ON when receiving weak signals.
Push [P.AMP] to turn the the preamp ON and OFF.
Preamp functions below 1.6 MHz, but sensitivity may
be reduced in some cases.
Appears when the
preamp is ON.
ï Attenuator
The attenuator prevents desired signals from distort-
ing when very strong signals are near the desired fre-
quency or when very strong electric fields, such as
from broadcasting stations, are near your location.
Push [ATT] to turn the 20 dB attenuator function
ON and OFF.
ATT” appears when the attenuator is turned ON.
Appears when the
attenuator is ON.
RIT off position
ï Noise blanker
The
noise blanker
reduces pulse-type noise such as
that generated by automobile ignition systems.
q Push the [NB] switch to turn the noise blanker ON.
• [NB] indicator appears.
w Push the [NB] for 1 sec. to enter the noise blanker
level setting condition.
e Rotate the channel selector to adjust the noise
blanker level.
r Push [NB] to exit the setting condition.
t Push [NB] again to turn the noise blanker function
OFF.
• [NB] indicator disappears.
When using the noise blanker, received signals
may be distorted if they are excessively strong.
The noise blanker function in AM mode can be
deactivated depending on
initial set mode
setting.
(p. 31)
[NB] switch
Appears when the
noise blanker is ON.
21


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