TM 9-4910-700-14&P
b.
(continued)
2)
Set pulse generator for a repetition rate of 8.33 pps
(500 ppm), a width of 1 millisecond, and 20 volt
amplitude.
Verify the repetition rate using the
electronic
counter.
3)
Adjust R4 for an exact 1000 rpm indication on the
meter under test.
4)
Reset pulse generator for 41.66 pps (2500 ppm).
5)
Adjust R9 on unit under test for an exact indication
of 5000 rpm.
6)
Reset pulse generator for 20.83 pps (1250 ppm).
Meter
should read between 2350 and 2650 rpm.
6-3
