Figure 2. Voltmeter - right view.

Calibration Procedure For Multimeter, Models 427A And 427A Opt 01 Page Navigation
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TB 9-6625-1924-24

Figure 1. Voltmeter - left view.

(2) Repeat a (2) through (4) above.

(3) Adjust A1R15 AMP BAL (fig. 2) while repeating a (5) and (6) above until meter

indication is the same in both steps (R).

Figure 2. Voltmeter - right view.