56-101-01178 Revision K
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a) From the Main Menu select EPR Mode by this sequence: Main Menu, Page 2,
Additional Functions, EPR. Then return to the Main Menu.
b) Place the 1811NG in Control Mode.
c) Enter the first Ps (PT2) pressure Target value.
d) Enter the first Pt (PT7) pressure Target value or the first EPR Target.
e) After the 1811NG achieves both the Target values confirm the EPR Ratio reading.
f) Repeat the process by entering both Target values for all increments of test.
3. After testing has been completed, use the Standard Test Set Shutdown Procedures to
return the Test Set and aircraft to ambient pressures.
13. SHUTDOWN PROCEDURE
A. Test Set Shutdown Procedure
1. From the Main Menu, select the Go To Ground function.
2. Confirm the Go To Ground, Yes.
Figure 57
Confirm Go To Ground
Note:
When the Go to Ground function has completed, the display will indicate “Unit
Safe at Ground” and both the STATIC (Ps) and PITOT (Pt) ports are vented to ambient.
Figure 58
Unit Safe at Ground