Cessna SkyHawk SP 172S NAV III 2005 Pilot Operating Handbook page 124

CESSNA
MODEL 172S NAV III
SECTION 4
NORMAL PROCEDURES
BEFORE TAKEOFF
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16. Throttle Control- 1800 RPM
a. MAGNETOS Switch - CHECK (RPM drop should not
exceed 150 RPM on either magneto or 50 RPM
differential between magnetos)
b. VAC Indicator - CHECK
c. Engine Indicators - CHECK
d. Ammeters and Voltmeters - CHECK
17. Annunciators - CHECK (Verify no annunciators are shown)
18. Throttle Control- CHECK IDLE
19. Throttle Control - 1000 RPM or LESS
20. Throttle Control Friction Lock - ADJUST
21. COM Frequency(s) - SET
22. NAV Frequency(s) - SET
23. FMS/GPS Flight Plan - AS DESIRED
NOTE
Check GPS availability on AUX-GPS STATUS page.
No annunciation is provided for loss of GPS2.
24. XPDR - SET
25. CDI Softkey - SELECT NAV source
CAUTION
THE G1000 HSI SHOWS A COURSE DEVIATION
INDICATOR FOR THE SELECTED GPS, NAV 1 OR
NAV 2 NAVIGATION SOURCE. THE G1000 HSI
DOES NOT PROVIDE A WARNING "FLAG" WHEN
A VALID NAVIGATION SIGNAL IS NOT BEING
SUPPLIED TO THE INDICATOR. WHEN A VALID
NAVIGATION SIGNAL IS NOT BEING SUPPLIED,
THE COURSE DEVIATION BAR (D-BAR) PART OF
THE INDICATOR IS NOT SHOWN ON THE HSI
COMPASS CARD. THE MISSING D-BAR IS
CONSIDERED TO BE THE WARNING FLAG.
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172SPHAUS-03
U.S. 4-17