TB 9-6625-2139-24
(b) B DELAY TIME POSITION dial to 1.00.
(c) B TRIGGER LEVEL control fully cw.
(d) A TRIGGER P-P AUTO pushbutton pressed.
(31) Set TI switch settings and oscilloscope calibrator out setting to first row listed in
(32) Adjust A TRIGGER LEVEL, B INTENSITY, and CH 1 POSITION controls
for suitable viewing.
(33) Adjust horizontal POSITION control to aline the first fully displayed time
marker with the center vertical graticule line.
(34) Adjust B DELAY TIME POSITION dial to approximately 9.00 to aline time
marker with the center vertical graticule line. B DELAY TIME POSITION dial
indication will be within dial limits listed in table 15; if not, perform adjustments listed in
Table 15. B Delay Time Position Accuracy
Test instrument
Oscilloscope
Test instrument
Test
B DELAY TIME
calibrator
TIME/DIV
instrument
Test instrument
POSITION
MARKER
switch setting
VOLTS/DIV
adjustments
dial limits
output
switch setting
setting
A
B
Min
Max
b(34) thru (42)
0.5
8.91
9.09
0.5 Ps
0.05 Ps
0.5 Ps
b(34) thru (42)
0.5
8.91
9.09
5 Ps
0.5 Ps
5 Ps
b(34) thru (42)
0.5
0.5 ms
0.5 ms
8.91
9.09
50
Ps
b(34) thru (42)
0.5
5 ms
0.5 ms
5 ms
8.91
9.09
ms1
b(34) thru (42)
0.5
0.5 s
50
0.5 s
8.91
9.09
A TRIGGER NORM pushbutton.
1Press
(35) Repeat technique of (32) through (34) above for settings listed in the remaining
rows of table 15. If B DELAY TIME POSITION dial indication is not within dial limits
(36) Remove 50 : feedthrough termination and connect oscilloscope calibrator
CHAN 1 to TI CH 1.
(37) Position controls as listed in (a) and (b) below:
(a) HORIZONTAL MODE switch to A.
(b) A TRIGGER P-P AUTO pushbutton pressed.
(38) Set TI switch settings and oscilloscope calibrator output setting as listed in
(39) Adjust A INTENSITY, CH 2 POSITION (vertical adjustment) or POSITION
(horizontal adjustment) controls for suitable viewing.
22
