TB 9-6625-134-24
(e) A, using MOVE move the Input A trace to the left until the trigger
delay time is displayed in the bottom right corner of display.
(f) Using the MOVE move the Input A trace until the trigger delay time is
|8.00 ms)
8.00 ms (A
(g) Using s TIME ns, to select 10 μS/div.
MOVE
(5) Using the
move the Input A trace until the trigger delay is
7.990 mS.
NOTE
One minor division is 5 pixels.
(6) If the leading edge at the trigger level is not within 3 pixels of the second
vertical grid line perform b below.
(7) Press s TIME ns, to select 10 mS/div.
(8) Using the MOVE
move the Input A trace until the trigger delay time is
800.0 μs (A
|800.0 μs).
(9) Press s TIME ns, to select 1 μS/div.
(10) Set oscilloscope calibrator for a 0.8 mS time marker output.
move the Input A trace until the trigger delay is 799.0 μS.
MOVE
(11) Using the
(12) If the leading edge at the trigger level is not within 3 pixels of the second
vertical grid line perform b below.
(13) Reduce outputs to minimum.
b. Adjustments. Perform entire alignment procedure in paragraph 18.
11. Oscilloscope Trigger Sensitivity
a. Performance Check
(1) Reset TI using technique of paragraph 7 a above.
(2) Connect TI INPUT A and INPUT B to oscilloscope calibrator CHAN 1 and
CHAN 2 respectively using 50 feed through terminations.
(3) Press TI keys as listed in (a) through (e) below.
A, Using
keys select F3 Voltage, 1:1 and press ENTER.
(a)
(b)
Press mV RANGE V to set the Input A sensitivity to 200 mV/div
Press s TIME ns, to select 200 nS/div.
(c)
TRIGGER, F1 AUTO TRIG A.
(d)
CLEAR.
(e)
(4) Set oscilloscope calibrator as listed in (a) through (e) below.
(a)
LEVEL SINE.
(b)
100, m, V, ENTER.
(c)
5, MHz, ENTER
(d)
CHANNEL, softkey CHAN1.
(e)
OPR/STBY to OPR.
just displayed on the TI.