TB 9-6625-2049-24
(11) Press AMPTD CAL key. Adjust R22 (fig. 5) until multimeter indicates 10.000 V dc.
(12) Enter -5 VOLT using DATA keys.
(13) Multimeter will indicate between -9.985 and -10.015 V dc.
b. Adjustment. No further adjustments can be made.
21. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.