TB 9-6625-2124-24
MOD (ON) key.
(d)
(3) Adjust spectrum analyzer controls as necessary to display the TI output signal.
(4) Measure AM ON/OFF ratio and square wave symmetry; AM ON/OFF ratio will
be greater than 30 dB and square wave symmetry will be 40/60 percent.
(5) Press CW key and enter data 4 GHz on keyboard. Repeat (3) and (4) above.
b. Adjustments. No adjustments can be made.
25. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.