Cirrus SR20 Pilot Operating Handbook page 128

Section 4
Normal Procedures
a. Pitot Heat............................................................................ ON
b. Navigation Lights ................................................................ ON
c. Landing Light ...................................................................... ON
d. Annunciator Lights....................................................... CHECK
- Verify both ALT 1 and ALT 2 caution lights out and positive
amps indication for each alternator.
16. Voltage ............................................................................... CHECK
17. Pitot Heat ............................................................... AS REQUIRED
Pitot Heat should be turned ON for flight into IMC, flight into
visible moisture, or whenever ambient temperatures are 41° F
(5° C) or less.
18. Navigation Lights.................................................... AS REQUIRED
19. Landing Light ......................................................... AS REQUIRED
20. Magnetos .................................................... CHECK Left and Right
a. Ignition Switch ................................. R, note RPM, then BOTH
b. Ignition Switch .................................. L, note RPM, then BOTH
RPM drop must not exceed 150 RPM for either magneto.
RPM differential must not exceed 50 RPM between
magnetos. If there is a doubt concerning operation of the
ignition system, RPM checks at higher engine speeds will
usually confirm whether a deficiency exists.
An absence of RPM drop may indicate faulty grounding of one
side of the ignition system or magneto timing set in advance of
the specified setting.
21. Engine Parameters ............................................................ CHECK
22. Power Lever ................................................................... 1000 RPM
23. Fuel Pump.......................................................................... BOOST
24. Flight Instruments, HSI, and Altimeter .................... CHECK & SET
25. Flight Controls ................................................. FREE & CORRECT
26. Trim ............................................................................. SET Takeoff
27. Autopilot .................................................................. DISCONNECT
4-14
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Cirrus Design
SR20
P/N 21399-004
Revision A1