TB 9-6625-096-50
(4) Repeat a(6) and (7) above.
(5) Turn LOC-GS control until indication in a(8) above is obtained.
(6) Loosen screw on UP-LEFT tab and align top mark of tab with mark on LOC-GS
control. Tighten screw.
15. FM Deviation Ratio
a. Performance Check
(1) Connect equipment as shown in figure 7.
Figure 7. FM deviation ratio - equipment setup.
(2) Turn AUDIO SELECTOR switch to 9960 FM.
(3) Adjust test oscillator (A7) for an output of 9,960 Hz.
(4) Adjust necessary controls to obtain, on oscilloscope (A4), a maximum intensity
ellipse within the lissajous pattern corresponding to the low FM swing. Zero beat will occur
at approximately 9,480 Hz.
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