Figure 1. Oscillator/modulator test set controls and indicators.
Time required for
a.
Identification.
calibration ................................... 30 minutes
Calibration level .............................. Maintenance
Nomenclature............... Oscillator/Modulator Test Set
Litcom Model 4401.
4. General Instructions. a. Calibration Reporting.
Size ............................. 21 1/2 by 22 1/2 by 24 1/2 in.
Weight ......................... 45 lbs (approx.)
During the performance of the calibration procedures
included in this manual, annotate DA Form 2416
b. Specifications.
(Calibration Data Card) in accordance with TM 38-750.
Input requirement ......... 103.5 to 126.5 volts, 54 to 66
b. Removal. Do not remove unit under test from its
Hz, single phase.
protective case unless adjustment is required.
Power supply output
voltages
+18, and -18 volts, dc (e 3
percent)
be referred to as "unit under test" throughout this
procedure.
c. Program Data.
Calibration interval ....... In accordance with TB 750-236
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