CM170407AMA
NOTE
suitable values for altitude and airspeed set points, stabilization times and leak
rates are to be found for each individual configuration. They depend on many
factors, such as the number and type of probes, type of adaptor kit, pneumatic
volumes etc. For more information, contact your sales representative.
1. Press the
SHIFT
+ 3 keys and select “
Functions
”, “
Profiles
”, “
Edit
”.
2. Select an empty slot and touch the yellow button Select.
3. Enter the following data:
•
Name: “
leak 1
” (remember to press
ENTER
when finished),
•
Units: aeronautical,
•
AoA control: None,
•
Steps: 1.
4. Touch the yellow button Steps.
5. Enter the following data, ignoring the other fields:
•
Altitude: 5,000 feet,
•
Altitude rate: 3,000 feet/min,
•
Airspeed: 150 knots,
•
Airspeed rate: 300 knots,
•
Stab. Time: 10 sec,
•
Leak test: aeronautical,
•
Leak stab. time: 10 sec,
•
Leak meas. time: 10 sec,
•
Max alt.leak: 15 feet/min,
•
Max airsp.leak: 1 knots/min.
6. Touch the orange button Back.
7. Touch the green button Save.
NOTE
because the AoA is set to zero, any AoA ports will be tested together with the Ps
ports, as the two lines are connected inside the ADTS.
To run this test after mounting the adaptor kit:
1. Press the
LEAK
key.
2. Touch the yellow button Auto.
3. Find the profile named “
leak 1
” and select it.
4. Touch the yellow button Select.
5. Wait for the test to be completed.
7.3 AUTOMATIC RETURN TO AMBIENT PRESSURE
MPS49 can automatically vent the static, pitot and AoA ports to the ambient pressure
condition. The venting procedure operates as follows: when the
VENT
key (i.e.
SHIFT
+
LEAK
) is pressed the MPS49 will:
1. set the airspeed to a fixed value and the AoA to zero;
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