TB 9-6625-2317-40
(5) Frequency counter display will indicate between 999 to 1001 Hz.
(6) Set calibrator WIDEBAND output to 4 kHz.
(7) Frequency counter display will indicate between 3990 to 4010 Hz.
(8) Press calibrator OPR/STBY pushbutton to STBY.
b. Adjustments. No adjustments can be made.
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.