TM 11-6625-2575-14
INTRODUCTION
Section I. GENERAL
1-1. Scope
Shipment Report (DISREP) (SF 361) as pre-
This manual describes Sweep Signal Generator
scribed in AR 55-38/NAVSUPINST 4610.33 B/AFR
AN/USM-203A. It covers the purpose, use, instruc-
75-18/MCO P4610.19C and DLAR 4500.15.
tions for installation and operation, and the
technical characteristics of the AN/USM-203A.
1-4. Reporting Equipment Improvement
The following maintenance categories are covered:
Recommendations (EIR)
operator/crew (C), organizational (0), direct sup-
EIR's will be prepared using Standard Form 368,
port (F), and general support (H).
Quality Deficiency Report. Instructions for pre-
paring EIR's are provided in TM 38-750, The Army
Maintenance Management System. EIR's should
a. DA Pam 310-4. Refer to DA Pam 310-4 to
be mailed direct to Commander, US Army Com-
determine whether there are new editions,
munications and Electronics Materiel Readiness
changes, or additional publications pertaining to
Command, ATTN: DRSEL-ME-MQ, Fort Mon-
the equipment,
mouth, NJ 07703. A reply will be furnished direct to
b. DA Pam 310-7. Refer to DA Pam 310-7 to
you.
determine whether there are modification work
orders (MWO's) pertaining to the equipment.
There is no special procedures for preparing this
equipment for limited storage. Place all ancillary
a. Reports of Maintenance and Unsatisfactory
items in a bag and tie or tape the bag to the
Equipment. Maintenance forms, records, and re-
equipment. Place equipment in limited storage, ie,
ports which are to be used by maintenance
organizational storage room. Protect equipment
personnel at all maintenance levels are listed in
from dust, humidity, and extreme temperature
and prescribed by TM 38-750.
changes.
b. Report of Packaging and Handling Deficien-
cies. Fill out and forward DD Form 6 (Packaging
Improvement Report) as prescribed in AR 700-
Demolition and destruction of electronic equip-
58/NAVSUPINST 4030.29/AFR 71-13/MCO
ment will be under the direction of the commander
P4030.29A, and DSAR 4145.8.
and in accordance with TM 750-244-2.
c. Discrepancy in Shipment Report (DISREP)
(SF 361). Fill out and forward Discrepancy in
1-7. Deleted
Section Il. DESCRIPTION AND DATA
quency signals. Frequency, sweep frequency, and
The AN/USM-203A is a source of rf energy which
sweep rate are adjustable from front panel
provides both fixed frequency and sweep fre-
controls. The frequency range covered is 500 kHz
