barfield DPS1000 - SHUTDOWN PROCEDURE; Test Set Shutdown

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Note: If the EPR data is displayed in Altitude (ft) and Airspeed (kts), Table 6 can be
referenced as a guide to establish the desired EPR Ratio.
2. Establish the respective static (Altitude or PT2) and pitot (Airspeed or PT7) pressure
combination to achieve the desired EPR ratio.
Table 6 Engine Pressure Ratio Test Table
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 by selecting Yes.
Engine Pressure Ratio
AIRSPEED (knots)
Pt7 (Hi) Port
ALTITUDE (feet)
Pt2 (Lo) Port
EPR
(Engine Pressure Ratio)
650
25,870
3.4
546
35,000
3.4
650
21,650
3.0
504
35,000
3.0
650
14,690
2.5
534
25,870
2.5
444
35,000
2.5
650
4,210
2.0
500
20,000
2.0
369
35,000
2.0
478
5,000
1.5
365
20,000
1.5
265
35,000
1.5