TB 11-6625-821-35
SECTION I
GENERAL
1. Purpose and Scope
Test Set AN/ARM-93 for use by calibration personnel. Since calibration personnel are
trained and qualified in the use of calibration test and measuring equipment, detailed
instructions concerning the operation and use of the equipment are not contained in this
bulletin.
b. This bulletin contains illustrations that locate all controls and components utilized
in this calibration procedure as well as diagrams showing equipment setups. Equipment
ground connections are not necessarily shown in the diagrams.
2. Deleted. See front page.
3. Description. Direction Finder Set Test Set AN/ARM-93 contains Direction Finder
Control C-6899/ARN-83, Static Power Inverter CV-2128/ARN-83 (fig 3), and all
interconnections required to test Radio Receiving Set AN/ARN-83. Additional data is listed
in a through c below.
a. Identification
Nomenclature
Direction Finder Set Test Set AN/ARM-93
Federal Stock No.
6625-999-6081
Line item No
V73847
Size
131/2 x 1515/16 x 153/8 in
Weight
201/4 lb
Reference
TM 11-6625-821-12 and TM 11-6625-821-45
b. Specifications
26 0.5 volts, 400 40 cps
Inverter output
LOOP SIMULATOR
electrical zero
Occurs when needle set to N (0 degree)
BEARING INDICATOR
electrical zero
Occurs when needle set to N (0 degree)
Direction Finder Control C-6899/ARN-83:
between 1400 and -
BEARING 239 1.0 degrees
1500 kc
BEARING 203 1.0 degrees
1700 kc
BEARING 343 1.0 degrees
850 kc
c. Calibration Description
Time required for calibration
2 hours (approx.)
Calibration level
Maintenance
Calibration interval
In accordance with TB 43-180
2
