Page 45
FT-
991
Operating Manual
Convenience Features
Using the UP/DWN Buttons of the
Supplied MH-31
A8J
Hand Microphone
The
UP
/
DWN
buttons on the supplied
MH-31
A8J
Hand
Microphone may also be used to manually scan the fre-
quency upward or downward.
In modes other than AM/FM,
the frequency changes by the
same step as the main dial.
When the microphone
FST
button is pressed, the tuning
rate increases by a factor of
ten, in a manner similar to
the transceiver front panel
FAST
button.
T h e f r e q u e n c y c h a n g e
amount (step size)
differs de
-
pending on the preset modu-
lation form and FST button
condition.
Operating
Mode
UP
DWN
FST
+
UP
FST
+
DWN
CW/RTTY/
DATA-LSB/
DATA-USB
+5 Hz
−5 Hz
+100 Hz
−
100 Hz
LSB/USB/AM
+10 Hz
−10 Hz
+100 Hz
−
100 Hz
FM/C4FM/
DATA-FM
+5 kHz
−5 kHz
+50 kHz
−
50 kHz
More Frequency Navigation Techniques
DWN
UP
FST
