COM Radio Tuning
Activate the
frequency.
Once the desired
frequency has
been tuned in
to the standby,
press the flip-
flop button
to make it the
active frequency.
The Emergency COM Frequency, 121.5 kHz,
can be quickly
tuned into the Active COM slot by pressing and holding the
flip-flop button for approximately three (3) seconds.
Radio Tuning can be accomplished through 3 different methods.
1
2
3
4
Twist the COM/
NAV knob.
Use
the left inner knob
to adjust KHz and
the left outer knob
to adjust MHz.
Touch the standby
frequency field
to display the
numeric keypad.
Then enter the
desired frequency.
Press the FREQ
button.
Select
the desired
frequency.
Applies to IFD550 & IFD540 only.
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QuickReference IFD5XX
Summary of Contents for IFD100
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