Yaesu FT-991A Operating Manual page 27

The voice memory/contest memory keyer func-
PLAY
tions are in use.
REC
PLAY: Playing, REC: Recording
S-Meter
Displays the reception signal strength.
To change the meter peak hold time
1. Press the MENU ( SETUP ) button.
2. Rotate the MULTI knob to select "009 BAR
MTR PEAK HOLD".
3. Touch [ SELECT ] , then rotate the
MULTI knob to select the time to hold
( OFF/0.5/1.0/2.0 seconds ) .
4. Touch [ ENTER ] , then [ BACK ] or press the
MENU ( SETUP ) button.
Meters
The following information can be displayed below the
S-meter.
The displayed information is switched each time [ME-
TER] is touched on the panel.
PO Displays transmitter output power.
ALC Displays ALC voltage
SWR Displays antenna matching state
COMP Displays the speech processor compression level
Displays the drain current of the final stage FET
ID
transistors
Displays the drain voltage of the final stage ampli-
VDD
fier.
The proper voltage is 13.8 V.
Scope/Waterfall
Displays a spectrum or waterfall when the scope func-
tion ( see page 42 ) is in use.
Menu List
Displays the menu item list when making settings in the
menu mode.
Memory List
Displays the data saved in the memory channels.
Function Menu
Displays the function menu from which you can set a
variety of functions.
Touch [ BACK ] / [ FWD ] to switch the menu screen.
Operation Frequency
Displays the current operation frequency.
F T-991 Operating Manual
TFT Liquid Crystal Display
About the Display
Clock
Indicates the current time.
When receiving a GPS signal, the time is set automati-
cally.
GPS Signal Capturing Indicator
Appears when an external GPS device is connected to
the GPS/CAT jack on the rear panel and GPS signals
are being acquired.
VFO-B Data/Clarifier Operation
Displays operation status of the radio modulation form
and VFO-B frequency, etc.
Displays the offset operation status and the clarifier off-
set value, etc.
Main Control Buttons ( SWAP )
Frequently used functions can be assigned to these but-
tons.
To change the function assigned
to the main control button
1. Press the F ( M-LIST ) button.
2. Touch [ BACK ] / [ FWD ] to display screens
"SWAP F1" to "SWAP F4".
3. Touch one of the "SWAP F1" to "SWAP
F4" screens and confirm the function you
want to change flashes.
4. Touch [ BACK ] / [ FWD ] to display the func-
tion you want to assign, then select and
touch the function.
5. Press the F ( M-LIST ) button.
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