User manual

Piper PA-31T Cheyenne X
Aerosoft GmbH 2007
76 77
76 77
Direct Tune Mode
The Direct Tune Mode is entered by pressing and holding the transfer
button for longer than two seconds. The „STBY” frequency will disap-
pear and the frequency in the active window can be changed with the
frequency selection knobs. Momentarily pushing the transfer button
will return the unit to the Frequency Mode (normal operation). The
„STBY” frequency displayed prior to entering the Direct Tune Mode
will return unchanged.
KY 53 TSO´d Navigation Receiver Operation
Power Switch
This knob controls ON/OFF function for the KY53. Volume selection
and IDENT function are not modeled.
Frequency Selection
By rotating the concentric frequency selector knobs either clockwise
or counterclockwise, the desired operating frequency can be dialed
into the standby display window. A clockwise rotation will increase
the displayed frequency number, while a counterclockwise rotation
will decrease it. The larger selector knob is used to change the MHz
portion of the frequency display; the smaller knob changes the kHz
portion in 50 kHz steps. At either band edge of the 108.00 to 117.95
MHz frequency spectrum, an off-scale rotation will wrap the display
around to the other frequency band-edge (i.e., 117.95 advances to