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4
RECEIVING AND TRANSMITTING
Preamplifiers
The preamps amplify received signals in the receiver
front end to improve the signal-to-noise ratio and
sensitivity. A preamp is used when receiving weak
signals.
L Each band memorizes the Preamplifier setting.
Push
(P.AMP).
P.AMP
ATT
L Each push changes between "P.AMP1," "P.AMP2," and
OFF (no icon).
Displayed when the preamp is ON.
(Example: P.AMP1)
Wide dynamic range preamplifier.
P.AMP1
It is most effective for the HF low bands.
High-gain preamplifier.
P.AMP2
It is most effective for the 50 MHz bands.
NOTE: When you use the preamp while receiving
strong signals, the signal may be distorted. In such
case, turn OFF the preamp.
Attenuator
The Attenuator prevents a desired signal from
becoming distorted when a very strong signal is near
the frequency, or when a very strong electric field,
such as from a broadcasting station, is near your
location.
LEach band memorizes the Attenuator setting.
Hold down
(ATT) for 1 second to turn ON the
P.AMP
ATT
Attenuator.
turns OFF the Attenuator (no icon).
P.AMP
LPushing
ATT
Displayed when the Attenuator is ON
RIT function
The RIT (Receive Increment Tuning) function
compensates for differences in frequencies of other
stations.
The function shifts the receive frequency up to ±9.99
without shifting the transmit frequency.
1. Push
.
RIT
• The RIT function turns ON.
L When using the Fine Tuning function (p. 3-4), the RIT
frequency is displayed in 4 digits, instead of 3.
again turns OFF the RIT function.
RIT
LPushing
2. Set the RIT frequency to match the receiving
station's frequency.
L You can reset the RIT frequency to "0.00" by holding
down
for 1 second.
CLEAR
L You can add the frequency shift to the operating
frequency by holding down
3. After communicating, push
function OFF.
D RIT monitor function
When the RIT function is ON, you can directly monitor
the operating frequency by holding down
L While monitoring, the RIT function is temporarily OFF.
L While monitoring, the settings for the Noise Reduction,
Notch filter and Twin PBT are temporarily OFF.
4-3
RIT frequency
(3 digits)
Rotate
Set RIT
frequency.
for 1 second
RIT
.
to turn the RIT
RIT
.
XFC
.
While holding down
XFC
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