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Standard serviceability test
The following procedure shows if the ADTS is serviceable and checks functions and facilities:
1)
Connect power to the unit.
2)
Make sure the blanking caps are fitted to the front panel outputs.
3)
Set the ON/Standby switch to ON.
4)
Check that the power indicator is on and flashing green. This indicates that a self test is in prog-
ress. When the self-test is complete, the indicator will be steady green.
5)
Ensure that the ADTS Touch is switched On and connected to the ADTS either by cable or front
panel docking. Check the display shows the system starting screen and progress indicator.
6)
Check that the display then changes to show the DASHBOARD.
7)
Select PITOT STATIC.
8)
Select CONTROL.
9)
Select "ALT" channel "Aim" value of 2000 ft.
10) Select "CAS" channel "Aim" value of 200 knots.
11) Wait until the ALT and CAS have reached the "Aim" values and stabilised (indications will be
green).
12) Check that the control effort meter arrows are approximately central within the range for each
channel.
13) Select MEASURE.
14) Check that measured ALT and CAS values are not decaying at excessive rates (no worse than 25
ft/min and 2 knots/min).
15) Select Aircraft Status screen.
16) Select go to ground operation.
17) Confirm Aircraft Safe at Ground pressures state is reached.
This concludes the basic serviceability test.
S
TANDARD SERVICEABILITY TEST
175
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