56-101-01178 Revision K
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8. Figure F.13 Cabin Pressure Mode
– Measuring Cabin Pressure and Rate
9. shows the screen for the cabin pressure mode on which the unit is monitoring the
change in the cabin pressure and displays this value in unit of psi and ROC in ft/min.
Figure F.13
Cabin Pressure Mode
– Measuring Cabin Pressure and Rate
10. The user should follow the AMM for the pressurization procedure and the unit will
display the measured pressures and rates.
Note:
As a safety feature, the following conditions will be monitor and a visual warning
will be issue by the unit:
•
If a rate greater than +/- 850ft/min is applied, the screen will flash.
•
If a pressure greater than 8.4psi is applied, the screen will flash
11. Once the test is completed, touch the Finish button to exit the Cabin Pressure Mode. A
warning screen is displayed with the message below (see Figure F.14).
Touch “Yes” and the unit will vent to ambient (see Figure F.15).
Figure F.14
Cabin Pressure Mode
– Step 2