Yaesu FT-991, Operating Manual

Page: 32 / 96

Page 30 fT-991 o
peraTing
M
anual
MULTI Knob
MENU Button
Background color
b
asiC
o
peraTion
:
r
eCeiving on
a
MaTeur
b
ands
LOCK
You may lock the setting of the Main Tuning Dial knob (for VFO-A frequency tuning) and the CLAR/VFO-B knob (for
VFO-B frequency tuning during Split operation), to prevent accidental frequency change.
Main Tuning Dial Knob Lock
To lock the Main Tuning Dial knob, press the LOCK
button that is located to the right of the Main Tuning
Dial knob. To unlock the Dial setting, and restore nor-
mal tuning, press the LOCK button once more.
A
dvice
:
The lock feature will be memorized independently on
the Main Tuning Dial knob and the CLAR/VFO-B
knob.
DIMMER
The illumination level of the TFT display and LED indicators (above the Main Tuning Dial knob), may be adjusted via
Menu items 009 and 010.
To adjust the illumination lev el:
1. Press the
MENU
button to enter the Menu mode.
2. Rotate the MULTI knob to select Menu item “
006
DIMMER LED
” (for LED indicators) or “
007 DIM-
MER TFT
” (for TFT display).
3. Touch [ SELECT
] on the LCD then rotate the
MULTI knob to select the desired illumination level.
4. Touch [
ENTER
] on the LCD, then touch [
BACK
]
on the LCD or press the MENU button to save the
new setting and exit to normal operation.
MULTI Knob
MENU Button
VFO COLOR
The background color of the VFO-A frequency in the TFT display may be selected via Menu item 007.
1. Press the MENU button to enter the Menu mode.
2. Rotate the MULTI knob to select Menu item “
005
DISPLAY COLOR
”.
3. Touch [ SELECT
] on the LCD, then rotate the
MULTI knob to select from the following colors:
BLUE
(default)
/ SKY BLUE / GREEN / PURPLE /
RED / ORANGE / GRAY
4. Touch [ ENTER
] on the LCD, then touch [
BACK
]
on the LCD or press the MENU button to save the
new setting and exit to normal operation.
LOCK Button