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Page Title:
FUNCTION OF CONTROLS AND INDICATORS |
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  TM 11-6625-3059-10
FUNCTION OF CONTROLS AND INDICATORS
NOTE: ALL INDICATOR ANNUNCIATORS ARE SHOWN ON
Item
No.
Control or Indicator
Function
Flashes when ME-525AIUSM is out of lock; stops
4
LOCK annunciator
flashing when lock is achieved. LOCK is the condition
when the local oscillator produces a 1.0 MHz if. signal.
Permit operator to select one of four high-pass
5
HIGH-PASS (Hz) switches
baseband filters (10, 30, 300, or 3000 Hz). Lighted
annunciator indicates switch selection.
Permit operator to select one of four low-pass or de-
6
LOW-PASS (kHzYDE-EMPHASIS
emphasis filters (3, 15, 120, 200 kHz or 50, 75, 750 us
(us) switches
or 6 dB/OCT (per octave), depending on position of
OUT-IN switch. Lighted annunciator indicates switch
selection.
7
LOW-PASS (kHz)DE-EMPHASIS
Alters operation of switches (Item 6 above) from LOW-
PASS (OUT) to DE-EMPHASIS (IN).
Lighted
annunciator indicates switch selection.
2-2
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