About The Display; Tft Liquid Crystal Display - Yaesu FT-991A Operating Manual

About the Display

A variety of information such as VFO-A/VFO-B frequencies, mode, S-meter will appear on the LCD.
Mode (radio modulation form)
HI-SWR
MULTI knob operation
S-meter
Waterfall
Menu list
Memory list
Function menu
Operating Mode Indicators
Displays the current operating mode.
VFO-A Operating in VFO-A mode
MEM Operating in memory mode
MT
The memory tuning feature is in use
QMB Operating with the quick memory feature
PMS Programmable memory scanning
MCK
The memory check function is in use
HOME Recalling the home channel
EMG Recalling the frequency for emergency contact
Current Mode
( Modulation Form ) Indicator
Displays the current modulation form.
HI-SWR Indicator
Indicates antenna matching errors.
When this warning appears, stop transmitting immedi-
ately, check and repair the antenna, connectors, cables,
etc.
MULTI Knob Operations
Displays the functions operated with the MULTI knob
( see page 21 ) .
The progress bar shows the operation status.
RF-P (RF PWR)
Adjusts transmission output
MIC-G (MIC GAIN) Adjusts the microphone gain
NB-L Adjusts the noise blanker level
SHIFT
Shift function
WIDTH Width function
NOTCH Notch function
CONT Contour function
DNR
Digital Noise Reduction function
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TFT Liquid Crystal Display

Operating mode
Icons
Meters
Scope
Operation frequency Clock
PROC
MONI
DT-G (DT GAIN)
CH-D (CH DIAL)
SPEED
APF
PITCH
SQL
MCH
GRP
Icons
Displays currently used functions.
TUNER
Antenna tuner
ATAS Active Tuning Antenna System
ATT The attenuator is in use
SPLIT
Running split operation
DUP Recalling duplex memories
[+] Plus shift
[-] Minus shift
IPO
The receiver amplifier is OFF
AMP1
The receiver amplifier is ON
AMP2
The VOX function activates during data communi-
D.VOX
cation
VOX The VOX function is in use
ENC The tone encoder is in use
DEC The tone decoder is in use
DCS
The digital code squelch is in use
F T-991 Operating Manual
GPS signal capturing
VFO-B data
Clarifier operation
Main control buttons
Adjusts Speech Processor Gain
Adjusts the monitor level
Adjusts the input level during data com-
munication
Frequency tuning in the pre-pro-
grammed steps
Adjusts keying speed
Audio Peak Filter function
Adjusts the CW pitch
Adjusts the squelch level
Selects the memory channel
Selects the memory group