Yaesu FT-991A, Руководство по эксплуатации, Страница: 38 / 158

Page 36 FT- 991 Operating Manual
Basic Operation: Receiving on Amateur Bands
CLAR
(
Clarifier
)
Operation
The CLAR button and CLAR/VFO-B knob are used to offset the receive frequency, the transmit frequency, or both,
from their settings on the VFO-A frequency. Four small numbers on the TFT Display show the current Clarifier offset.
The Clarifier controls on the FT-991A are designed to allow setting a preset offset
(up to ±9.99 kHz) without actually
retuning, and then to activate it via the Clarifier
CLAR
button. This feature is ideal for following a drifting station, or
for setting the small frequency offsets sometimes utilized in DX “Split” work.
Here is the technique for utilizing the Clarifier:
1. Press the CLAR button. The “ RX ” notation will ap-
pear in the TFT Display, and the programmed offset
will be applied to the receive frequency.
2. Rotation of the CLAR/VFO-B knob will allow you
to modify your initial offset on the fly. Offsets of up
to ±9.99 kHz may be set using the Clarifier.
To cancel Clarifier operation, press the CLAR button.
The “
RX
” notation will disappear from the display.
Advice:
Turning the Clarifier off merely cancels the applica-
tion of the programmed offset from the receive and/or
the transmit frequencies. To clear the Clarifier offset,
and reset it to “zero,” press and hold the
CLAR
button.
The programmed offset is displayed in the small multi-
channel window of the frequency display.
CLAR/VFO-B Knob
CLAR Button