TM 11-6625-3059-10
CHAPTER 2
OPERATING INSTRUCTIONS
Page
Controls and Indicators .....................................
Preventive Maintenance Checks and
Services(PMCS) .........................................
Operation Under Usual Conditions ....................
Operation Under Unusual Conditions ................
Section I. Controls and Indicators
FUNCTION OF CONTROLS AND INDICATORS
NOTE: ALL INDICATOR ANNUNCIATORS ARE SHOWN ON
Item
No.
Control or Indicator
Function
1
TUNING AUTO-EXT switches
Permit operator to select automatic (AUTO) or
external (EXT) tuning. Lighted annunciators indicate
switch selection.
2
LEVEL low ( ) annunciator
Word LEVEL and ( ) are illuminated when input
level is too low for accurate modulation
measurements.
3
LEVEL high ( ) annunciator
Word LEVEL and ( ) are illuminated when input
level is too high for accurate modulation
measurements.
2-1
