TB 9-6625-2142-40
Table 5. Sweep Timing
Test instrument
Oscilloscope
Oscilloscope
Adjustments
SWEEP RANGE
calibrator
markers
switch settings
settings
per division
(R)
5 ms
0.5 ms
1
---
s
0.5 ms
1
R260
50
50 ns1
10 ns
2
C292
0.5 s
50 ns
1
---
s
0.5 s
1
---
5
s
s
1
---
50
5
1Press
TI HF SYNC pushbutton. Adjust TI STABILITY control for stable display. Check at both RANDOM and
SEQUENTIAL pushbutton settings.
(14) Set TIME/DIV switch to .5 s and press TI SEQUENTIAL pushbutton.
(15) Set oscilloscope calibrator for 1 s. Crt will display 1 marker for each 2 divisions.
Figure 4. Interior board - right side.
(16) Release VARIABLE (CAL IN) control to out position and turn fully cw. Crt
will display markers at least 5 divisions apart.
(17) Press VARIABLE (CAL IN) control to in position.
b. Adjustments. Adjust oscilloscope calibrator for a 5 ms output. Adjust R265 (fig. 4)
for 1 marker per division over center 8 divisions (R).
14. Triggering
a. Performance Check
(1) Deenergize oscilloscope No. 1.