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Page 58
FT-
991
Operating Manual
Tools for Comfortable and Effective Reception
Audio Peak Filter
1. Press the
F
(MLIST)
button to reveal the functions
list on the TFT LCD display.
2. Touch [
APF
] on the LCD. The APF function will be
set to “
ON
”.
MULTI Knob
F(M-LIST) Button
APF indicator
APF level indicator
3. Rotate the
MULTI
knob to set the sound volume to a
comfortable level.
Advice:
The APF bandwidth can be selected from NAR-
ROW/MEDIUM/WIDE via the Menu item “
111
APF WIDTH
”.
4. To cancel the APF action, touch [
APF
] on the LCD.
The “
OFF
” will appear in the display, confirming that
the APF system is no longer in operation.
Advice:
The APF may only be activated while the transceiver is
in CW mode.
Содержание FT-991A
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