PROCEDURE-continued

TM 11-6625-2976-40

2-10. GS MODE ADJUSTMENT. (CONT)

PROCEDURE (CONT)

6. With GLIDE SLOPE 150 HZ DELETE switch depressed, adjust R37 until voltmeter indica-

tion equals average computed in step 5 ±10 mv.

7. Release GLIDE SLOPE 150 HZ DELETE switch.

8. Alternately press (and release) GLIDE SLOPE 150 HZ and 90 HZ DELETE switches, while

readjusting R37 until voltmeter indicates 90 Hz level within 2 mv of 150 Hz level.

9. Press and hold GLIDE SLOPE 90 HZ DELETE switch.

10. Adjust R55 until voltmeter indicates 300 ± 10 mv.

11. Release GLIDE SLOPE 90 HZ DELETE switch.

12. Disconnect digital voltmeter.

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