Operating Instructions 1; Dial Knob Lock; ( Ssb/Cw/Rtty/Data/Am Modes ) - Yaesu FT-891 Operating Manual

Operating Instructions 1

DIAL knob Lock

The DIAL knob may be locked to prevent accidental frequency change.
To lock the DIAL knob, press the
LOCK ] key.
The "LOCK" icon will appear on the LCD.
To unlock the DIAL setting, and restore normal
tuning, press the
NB ( Noise Blanker ) ( SSB/CW/RTTY/DATA/AM Modes )
The FT-891 includes an effective IF Noise Blanker, which can significantly reduce noise
caused by automotive ignition systems.
1. Press the assigned
the Noise Blanker ON/OFF ( When turning
ON, and
blanking level pop-up screen will be dis-
played.
r If the "NB" function is not assigned to an
[ A ] , [ B ] or [ C ] key, press the
repeatedly to find the "FUNCTION-2" list
screen. à Rotate the
knob to select "NB" à Press and hold the
[ A ] , [ B ] or [ C ] key to assign the function.
r Rotate the
and then press the knob, to switch the Noise Blanker function ON/OFF.
2. When The blanking level pop-up screen is displayed, rotate the
knob to adjust the blanking level to the point where the offending noise is best reduced
or eliminated.
NOTE: To reset the blanking level to the factory default value, press and hold the
MULTI function knob.
3. Press any key, except the
knob, to save the new setting and return to normal operation.
r When "
function knob to adjust the blanking level. The blanking level may also be adjusted
from the "FUNCTION-1" list screen ( see page 46 ) .
32
[ PWR/LOCK ] key again.
[ C ]( NB ) key to turn
will appear ) , the
MULTI function
MULTI function knob to select "NB" in the "FUNCTION-1" list screen,
[ A ] , [ B ] , [ C ],
" is shown ( after pressing the
[ PWR/
[ F ] key
[ CLAR ] keys, or the
[ C ]( NB ) key ) , rotate the
MULTI function
MULTI function
FT-891 Operating Manual
MULTI