Adjustment Procedure—2213 Service
Table 5-7
Settings for Timing Accuracy Checks
SEC/DIV
Switch
Setting
Time-Mark Generator Output
Normal
X I0 Magnified
0 .05 ms
50 ns 10 ns
0.1 ms
0.1 ms
10 ns
0.2 ms
0.2 ms
20 ns
0 .5 ms
0 .5 ms 50 ns
1 ms
1 ms
0.1 ms
2 ms
2 ms
0.2 ms
5 ms
5 ms 0 .5 ms
10 ms
10 ms
1 ms
20 ms
2 0 ms 2 ms
50 ms
50 ms 5 ms
0.1 ms
0.1 ms
10 ms
0.2 ms
0.2 ms
20 ms
0.5 ms
0.5 ms
50 ms
1 ms
1 ms 0.1 ms
2 ms
2 ms 0.2 ms
5 ms
5 ms 0.5 ms
10 ms
10 ms
1 ms
20 ms
20 ms 2 ms
50 ms 50 ms
5 ms
0.1 s
0.1 s
10 ms
0.2 s
0.2 s
20 ms
0.5 s
0.5 s
50 ms
f. Set:
SEC/DIV 0.05 jus
X10 Magnifier On (knob out)
g. Select 10-ns time markers from the time-mark
generator.
h. Repeat parts b through d for the SEC/DIV and time-
mark generator setting combinations shown in Table 5-7
under the "X10 Magnified" column.
b. Select 0.5-ms time markers from the time-mark
generator.
c. CHECK—Time markers are 1 division or less apart.
d. Return the SEC/DIV Variable control to the CAL
detent.
7. Check Delay Time Range
a. Set:
Channel 1 AC-GND-DC GND
HORIZONTAL MODE INTENS
b. CHECK-Each DELAY TIME and SEC/DIV com
bination under "MULTIPLIER <X 1 " in Table 5-8 produces
a nonintensified display of length shown in the "Display
Length" column.
Table 5-8
Delay Time Range Checks
MULTIPLIER <X1
MULTIPLIER >X20
DELAY
TIME
Setting
SEC/DIV
Setting
Display
Length
(Divisions)
SEC/DIV
Setting
Display
Length
(Divisions)
0.5 ms
0.1 ms
< 5
2 ms
> 5
10 ms
2 ms
< 5
50 ms
> 4
0.2 ms
50 ms
< 4
1 ms > 4
c. Rotate the MULTIPLIER control to >X20.
d. CHECK-Each DELAY TIME and SEC/DIV com
bination under "MULTIPLIER >X 20" in Table 5-8 pro
duces a nonintensified display of length shown in the
"Display Length" column.
6. Check SEC/DIV Variable Range
a. Set:
CH 1 VOLTS/DIV
SEC/DIV
SEC/DIV Variable
X10 Magnifier
0.5 V
0.2 ms
Fully counterclockwise
Off (knob in)
8. Check Delay Time Jitter
a. Set:
CH 1 VOLTS/DIV 0.5 V
Channel 1 AC-GND-DC DC
SEC/DIV 50 ms
DELAY TIME 10 ms
MULTIPLIER <X1
5-15
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