Garmin CIRRUS PERSPECTIVE SR20 Line Maintenance Manual page 222

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7.5.2.3 Static Port Vertical Speed (Rate of Climb) Test
1. Use the ADTS to change the altitude at the rates shown in the table below.
2. Wait for the ADTS to report that target rates have been achieved.
3. Verify that the rate of climb reported by the vertical speed field on the PFD is within the
tolerances specified in the table below:
4. Press the "SENSOR" PFD softkey and then select ADC2 (if equipped). Repeat steps 1‐3.
7.5.2.4 OAT Probe Test
Check the outside air temperature (OAT) measurement shown on the PFD to make sure it reads
ambient temperature.
7.5.2.5 Second OAT Probe Test in Dual ADC Installations
Select the 'SENSORS' softkey on the PFD then select ADC2 to view the second
OAT in a dual ADC equipped installation. Make sure it reads ambient
temperature.
Page 7-48
Rev. E
Vertical Speed,
feet/minute
2000
0
‐2000
Allowed tolerance,
±feet/minute
100
45
100
Cirrus Perspective™ Line Maintenance Manual
190-00920-00