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Chapter 4. Operation
Note: (2) Display cannot be changed with SETUP switched off or in minimum mode.
4.4 Aim
The ADTS 405 Mk2 must be in control mode to set a new aim (current aim displayed). If the
aim field shows "Leak Measure" press LEAK MEASURE/CONTROL to enter control mode.
a.
Press the value or rate parameter to change, e.g. ALT Ps, SPEED Qc, MACH Pt or
RATE.
b.
Using the numeric keys, type in the new aim value. The existing aim is replaced when
the first digit of the new aim is pressed. Each digit is displayed as it is pressed. If an
error is made during the entry of data, press CLEAR/QUIT to restore the original aim.
c.
Press ENTER to action the new aim.
Note: The -000 key can be used as a quick way of entering thousands.
4.5 Leak Measure
4.5.1 UUT Leak Test
a.
Press LEAK MEASURE/CONTROL to return to Leak Measure mode.
b.
Press RATE TIMER, F3 - [Wait 05:00, Time 01:00].
c.
Different wait and time periods can be selected by pressing F1 or F2.
d.
Wait until rate timer has completed and the results displayed.
e.
Check rate of climb is less than ± 100 ft/min and rate of airspeed (CAS) is less than
± 1 kts.
f.
Press LEAK MEASURE/CONTROL to return to Control mode.
g.
Press GROUND, F1, [Go to Ground].
h.
Wait until for the display shows "Safe At Ground".
4.5.2 ADTS 405 Mk2 Leak Test
It is important to check that the ADTS 405 Mk2 and the connecting equipment does not leak.
Before use a leak check should be carried out as follows:
a.
Connect the pitot and static hoses to the ADTS 405 Mk2.
b.
Temporarily seal the free ends of the hoses.
c.
Set the display to dual display, see Section 4.2.1, "Change to Single, Dual or Triple
Display," on page 31.
d.
Set the units to feet and kts, see Section 4.3.1, "Changing the Measurement Units," on
page 31.
e.
Using the SETUP menu, choose the limits set for the aircraft or UUT, see Section 4.6.2,
"Limit Checking," on page 35.
i.
Press SETUP, [LIMITS], and [NEXT] until required wait is shown/set.
32 | ADTS 405 R/F Mk2 Instruction Manual-English
© 2017 General Electric Company – All Rights Reserved.
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