TB 9-6625-2164-24
Press TRIGGERING/COUPUNG DC pushbutton.
(b)
Set VOLTS/DIV switch to 200 mV.
(c)
Set TIME/DIV switch to 1 s.
(d)
TRIG POS
pushbutton for TI display indication of TPOS -95.
(e)
Press
(3) Connect oscilloscope calibrator SOURCE/MEASURE CHAN 1 output to CH 1
input through 50 termination.
(4) Press oscilloscope calibrator MARKER key and set for 0.1 ms markers output.
(5) Position CH 1 VOLTS/DIV and VARIABLE control for 4 divisions on TI display.
(6) Press f (function) and CURSORS
ON pushbuttons.
(7) Press CURSORS 1 control until cursor falls on the rising edge of time mark
as close to the 50% point as possible.
OFF pushbutton.
(8) Press f (function) and CURSORS
(9) Display CURSOR readout T= indication will be between 99.9 and 100.1 s.
(10) Set oscilloscope calibrator and TI for settings listed in table 5. TI will be within
specified limits.
Table 5. Timing Accuracy
TRIG POS
CURSORS
Oscilloscope
TIME/DIV
pushbutton
calibrator
readout
switch settings
indications
marker output
Min
Max
s
s
s
-95
0.2
ms
2
199.8
200.2
s
s
s
-95
0.5
ms
5
499.5
500.5
s
s
-95
1
ms
1.001
ms
10
999
s
-95
2
ms
1.998
ms
2.002
ms
20
s
-95
5
ms
4.995
ms
5.005
ms
50
s
-95
10
ms
9.99
ms
10.01
ms
100
s
-95
20
ms
19.98
ms
20.02
ms
200
s
-95
50
ms
49.95
ms
50.05
ms
500
1
ms
-95
0.1
s
99.9
ms
100.1
ms
2
ms
-95
0.2
s
199.8
ms
200.2
ms
ms1
20
-95
2
s
1.998
s
2.002
s
ms1
500
-35
2
s
19.98
s
20.02
s
1Press
TRIGGERING/MODE HOLD NEXT pushbutton and wait for display to stop rolling before making cursor
measurement.
b. Adjustments. No adjustments can be made.
13. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
17/(18 Blank)
