TB 9-6625-781-24
18. Minimum Time Interval and Sensitivity
a. Performance Check
(1) Position controls as listed in (a) through (e) below:
(a) COM-REMOTE-SEP switch to COM.
(b) MULTIPLIER switches (START and STOP) to .1.
(c) TRIGGER LEVEL controls (START and STOP) to 0.
(d) STOP SLOPE switch to - (negative).
(e) START SLOPE switch to + (positive).
(2) Set electronic counter TIME BASE switch to .1 s.
output to START connector, using a
(3) Connect function/arbitrary generator 50
50
termination.
(5) Slowly adjust START and STOP TRIGGER LEVEL controls, and verify that a
stable count of 1 s or less can be obtained on electronic counter.
(6) Adjust test oscillator frequency to 2 MHz and output to 100 mV.
(7) Adjust START and STOP TRIGGER LEVEL controls, and verify that a stable
count can be obtained on electronic counter.
b. Adjustments. No adjustments can be made.
19. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
13/(14 Blank)