Cirrus SR22 Pilot Operating Handbook page 354

Section 9
Supplements
3. Press the VS button on the autopilot programmer/computer to
engage the vertical speed mode. When the mode is engaged, the
autopilot will synchronize to and hold the vertical speed at the time
the mode was engaged.
The vertical speed is displayed in 100-foot increments at the
far right of the programmer/computer window next to the VS
annunciation. A plus (+) value indicates climb and a negative
or minus (-) value indicates descent.
4. Vertical speed can be adjusted by rotating the VS knob on the
programmer/computer.
counterclockwise rotation decreases rate of climb (or descent) 100
FPM for each 'click.' The maximum adjustment is ±1600 FPM.
A flashing VS mode annunciator indicates excessive error
between actual vertical speed and the selected vertical speed
(usually in climb). The pilot should adjust power or reduce the
commanded vertical speed as appropriate to remove the
error.
Altitude Pre-Select
The altitude selector may be used to set up an altitude and vertical
speed for intercept and capture. The altitude can be above or below
the current altitude and the vertical speed chosen should be
appropriate (climb or descent) for the altitude. Once selected, the
altitude and vertical speed can be coupled to the autopilot by pressing
and holding the VS button and then pressing the ALT button.
1. Press altitude selector DTA button to enter the data entry (ENT)
mode.
2. Press altitude selector BARO button and adjust baro setting as
necessary.
3. Press the ALT button to enter altitude select mode. The SEL
annunciator will flash. Use the altitude selector knob to input the
desired altitude in thousands of feet; for example, 5500 feet is
entered as 5.5 and 10,500 is entered as 10.5.
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Clockwise rotation
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Cirrus Design
SR22
increases
P/N 13772-108
Revision 06: 05-09-11
and