GE ADTS542F, User Manual

Page: 134 / 153

S
TANDARD SERVICEABILITY TEST
K0553 Revision D 135 [EN] English
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 power supply switch to ON.
4) Check that the power indicator is on and flashing green. This indicates that a self test is in
progress. 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 indi-
cator.
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.