TB 9-4931-505-24
Figure 1. Adjustment locations - left side view.
(4) Repeat technique of (2) and (3) above for VOLTS/DIV switch settings and
calibrator indications listed in table 4. At each position, calibrator will indicate within the
limits specified.
Table 4. Vertical Gain Check
VOLTS/DIV switch
Calibrator indications (rms)
settings
Min
Max
2 m
3.4290 mV
3.6411 mV
5 m
8.5724 mV
9.1036 mV
10 m
17.145 mV
18.205 mV
20 m
34.290 mV
36.411 mV
50 m
85.724 mV
91.026 mV
0.1 V
171.45 mV
182.05 mV
0.2 V
342.90 mV
364.11 mV
0.5 V
857.24 mV
910.26 mV
1 V
1.7145 V
1.8205 V
2 V
3.4290 V
3.6411 V
5 V
8.5724 V
9.1026 V
b. Adjustments. Set calibrator for a 1.7675 mV output and adjust R180 for a 5
division vertical deflection on oscilloscope (R).
6