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Druck ADTS 505 User Manual
•
Set the display to QUAD format (see 3.4.1 to change) and aeronautical units of ft, kts and
ft/min (see 3.5.5 to change).
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Press ALT/Ps, ROC/RtPs, SPEED/Pt and RATE to display the required parameters.
•
Press LEAK MEASURE/CONTROL to go to control mode.
•
Set the ROC/RtPs to 5000 ft/min.
•
Enter an altitude aim of 500 ft and an airspeed aim of 400 knots.
•
Check that these aim values are achieved, the rate of change are within the selected
rates and that the achieved aim values are stable.
Completion
Press GROUND, wait until the display shows `Safe at Ground'. On successful completion of
this test procedure, switch off and disconnect the power supply.
5.3
Fault Diagnosis
If a fault occurs, refer to the fault location chart, Figure 5-1 and Table 5-1 for possible fault
causes and recommended action.
If the display shows a warning or error message, refer to the section below.
If a pneumatic leak or controller is suspect refer to section 5.5.
5.4
Warnings and Self-Test Errors
At power-up, the ADTS 505 indicates if there is a fault by displaying an error code and
message.
See 5.6 for the tables listing the error codes, check that the error code is complete and listed
in the table before returning the unit to the repair depot.
During normal operation the display can show a warning message, see 5.6 for the tables
listing the warning messages, probable cause and recommended action.
5 - 3
5
K0260 Issue No. 8
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