GE ADTS 542 Instruction Manual page 114

Air data test set
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3)
Select control mode.
4)
Touch the "Aim" value (2). A numbered keypad opens.
5)
Enter the desired "Aim" value and touch the "tick" icon. The numbered keypad closes and the
previously entered value appears in the "IN" display.
6)
Touch the "Aim" value (3). A numbered keypad opens.
7)
Enter the desired "Aim" value and touch the "tick" icon. The numbered keypad closes and the
previously entered value appears in the "OUT" display.
Wait for the controller to achieve the IN and OUT aim values. The EPR has now been set based on the
inlet pressure and outlet pressure.
On completion of the EPR checks, select "Go to ground" and wait for the AT GROUND message to be
displayed, see also section Go To Ground. Refit the pitot and static blanking caps.
- EPR Limits
Min Inlet
Max Inlet
Min Outlet
Figure 3- 32: EPR Control Screen (Method2)
60 mbar
1355 mbar
60 mbar
E
P
R
(EPR)
NGINE
RESSURE
ATIO
112

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