Figure 1. Test instrument - right side view.

Calibration Procedure For Oscilloscope Type 485 Page Navigation
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TB 9-6625-2118-24

b. Adjustments

(1) Adjust CAL 5V ADJ R2130 (fig. 1) for a 50.00 mV indication on multimeter (R).

(2) Adjust 1 kHz ADJ R2105 (fig. 1) until frequency counter indicates 1.0000 kHz (R).

Figure 1. Test instrument - right side view.