DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE
FOR
AN/VRM-1 AND AN/VRM-1A
Headquarters, Department of the Army, Washington, D. C.
12 August 1975
Page
Paragraph
GENERAL
Purpose and scope
Reporting of publication improvements
Description
General instructions
Difference among models
CALIBRATION
Equipment and accessories required
Preliminary procedure
Power test
Voltage sensing circuit
Dc circuits
Audio circuits
RF circuits
Final procedure
Section I. GENERAL
1. Purpose and Scope.
a. This bulletin provides information for the pe-
AN/VRM-lA (fig. 1) and is used by calibration
personnel. Since maintenance calibration personnel
are trained and qualified in the usage of test and
measuring equipment, detailed instructions con-
cerning the operation and use of these equipments
are not contained in this bulletin.
b. Integrated within this bulletin are illustrations
delineating the location of all controls and com-
as diagrams showing equipment setups. Equipment
ground connections are not necessarily shown in
the diagrams.
Figure 1. Radio Test Set AN/VRM-1 -- front panel view.
*This bulletin supersedes TB 11-6625-496-35/1, 15 May 1969
1