Textron Aviation Cessna 172S NAV III Skyhawk SP, Information Manual

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CESSNA SECTION 7
MODEL 172S NAV III AIRPLANE AND SYSTEM DESCRIPTION
KAP 140 AUTOPILOT
U.S.
STANDARD AVIONICS
(Continued)
BENDIX/KING KAP 140 2 AXIS AUTOPILOT
(if installed)
Refer to Section 9, Supplements 3, for operating information.
WARNING
WHEN THE KAP 140 AUTOPILOT IS ENGAGED IN NAV,
APR OR REV OPERATING MODES, IF THE HSI
NAVIGATION SOURCE IS CHANGED FROM GPS TO
NAV1 AUTOMATICALLY OR MANUALLY (USING THE
CDI SOFTKEY) OR MANUALLY FROM NAV2 TO GPS,
THE CHANGE WILL INTERRUPT THE NAVIGATION
SIGNAL TO THE AUTOPILOT AND WILL CAUSE THE
AUTOPILOT TO REVERT TO ROL MODE OPERATION.
NO WARNING CHIME OR PFD ANNUNCIATION IS
PROVIDED. THE PREVIOUSLY SELECTED MODE
SYMBOL SHOWN ON THE AUTOPILOT DISPLAY WILL
BE FLASHING TO SHOW THE REVERSION TO ROL
MODE OPERATION. IN ROL MODE, THE AUTOPILOT
WILL ONLY KEEP THE WINGS LEVEL AND WILL NOT
CORRECT THE AIRPLANE HEADING OR COURSE. SET
THE HDG BUG TO THE CORRECT HEADING AND
SELECT THE CORRECT NAVIGATION SOURCE ON
THE HSI USING THE CDI SOFTKEY BEFORE
ENGAGING THE AUTOPILOT IN ANY OTHER
OPERATING MODE.
XM WEATHER AND RADIO DATA LINK (GDL)
(if installed)
The XM weather and radio data link provides weather information and
digital audio entertainment in the cockpit. The unit is mounted in the
tailcone, behind the baggage curtain. This unit communicates with the
MFD on the high-speed data bus. XM weather and XM radio operate in
the S-band frequency range to provide continuous uplink capabilities at
any altitude throughout North America. A subscription to the XM
satellite radio service is required for the XM weather and radio data link
to be used.
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172SPHAUS-05 7-71
For
Training
Purposes
Only