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d. Set the TT391 POWER switch to the OFF. Repeat procedure from each test point. Step 16 can be
done from the last test point.
To prevent SKY899 from tracking the movement of the test-set, it is
necessary to set the TT391 POWER switch to OFF after completing each
bearing measurement.
12. Return the TT391 assemblies to their position in the aluminum carrying case.
13. Restart SKY899 by cycling power OFF and then ON.
14. Connect an oscilloscope to the suppression bus and verify that the SKY899 suppression pulse (100 µs
±5 µs) exceeds +15 V dc, if less than +15 V dc the suppression bus is overloaded. Check all
equipment connected to the bus. Repair/replace the offending device.
15. This completes the post installation checkout procedure.
009-11900-001
Revision F
The document reference is online, please check the correspondence between the online documentation and the printed version.
SKY899
Installation Manual
NOTE
Appendix F - Page F-13
July 18, 2013
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