TM 11-6625-828-12
CHAPTER 1
INTRODUCTION
Section I. GENERAL
c. Discrepancy in Shipment Report (DISREP) (SF
1-1. Scope
361). Fill out and forward Discrepancy in Shipment
a. This manual describes Test Set, Radio AN/ARM-
Report (DISREP) (SF 361) as prescribed in AR 55-
5A (fig. 1-1) and provides instructions for installation,
38/NAVSUPINST 4610.33A/AFR 75-18/MCO P4610.19B
operation, and operator and organizational maintenance.
and DSAR 4500.15.
It includes instructions for operation under usual and
unusual conditions, cleaning, and inspection of the
equipment.
1-4.
Destruction of Army Electronics Materiel
b. The maintenance allocation chart appears in
Destruction of Army Electronics equipment to prevent
enemy use shall be in accordance with TM 750-2442.
NOTE
1-5. Administrative Storage
1976.
Administrative storage of equipment issued to and used
by Army activities shall be in accordance with TM 740-
90-1.
1-2. Indexes of Publications
a. DA Pam 310-4. Refer to the latest issue of DA
1-6. Reporting of Errors
Pam 310-4 to determine whether there are any new
The
reporting
of
errors,
omissions,
and
editions, changes or additional publications pertaining to
recommendations for improving this publication by the
the equipment.
b. DA Pam 310-7. Refer to DA Pam 310-7 to
individual user is encouraged.
Reports should be
submitted on DA Form 2028 (Recommended Changes
determine whether there are modification work orders
to Publications and Blank Forms) and forwarded direct to
(MWO's) pertaining to the equipment.
Commander, US Army Electronics Command, ATTN:
DRSEL-MA-Q, Fort Monmouth, NJ 07703.
1-3. Forms and Records
a.
Reports of Maintenance and Unsatisfactory
1-6.1. Reporting Equipment Improvement
Equipment Maintenance forms, records, and reports
Recommendations (EIR).
which are to be used by maintenance personnel at all
maintenance levels are listed in and prescribed by TM
EIR will be prepared using DA Form 2407, Maintenance
38-750.
Request. Instructions for preparing EIR's are provided in
b. Report of Packaging and Handling Deficiencies.
TM 38-750, The Army Maintenance Management
System.
EIR's should be mailed direct to the
Fill out and forward DD Form 6 (Packaging Improvement
Commander, US Army Electronics Command, ATTN:,
Report) as prescribed in AR 700-58/NAVSUPINST
DRSEL-MA-Q, Fort Monmouth, New Jersey 07703. A
4030.29/AFR 71-13/MCO P4030.29A, and DSAR
reply will be furnished direct to you.
4145.8.
Section II. DESCRIPTION AND DATA
Crystals for frequencies other than those normally
1-7. Purpose and Use
covered may be used as desired within the range
a. Test Set, Radio AN/ARM-A is a portable signal
specified.
generator with crystal-controlled frequencies within the
c. When used in conjunction with a 51-ohm antenna
108- to 132-megacycle (me) band. It provides simulated
mounted on a hangar roof or other high and
omni and amplitude localizer signals of known frequency,
unobstructed location, the AN/ARM-A can be used to
amplitude, and modulation for testing of very high-
test aircraft radiated signals. The following may be
frequency (vhf) navigational receiving equipment within
performed on equipment in one aircraft of a squadron
the covered frequency range.
simultaneously; either on the flight line or in the air:
b. Two crystal-controlled frequencies are provided
(1) 24 omnicourses.
which may be anywhere within the 108- to 132-mc band.
(2) Left-center-right positions on the amplitude
Normally, the signal generator is supplied with crystals
localizer, including sensitivity and flag alarm.
which provide carrier frequencies of 110.9 me and 114.9
(3) Omnicourse width.
me, one frequency located in the localizer band and the
(4) Operation of TO-FROM meter.
other located in the omnifrequency band.
(5) Operation of omniflag alarm.
d Simultaneously with the test signals, instructions
Change 1 1-1