Chapter 1. INTRODUCTION - TM-11-6625-667-120013

TM 11-6625-667-12/NAVAIR 16-30APM-123-1/TO 33A1-3-367-1

CHAPTER 1

INTRODUCTION

Section I. GENERAL

1-1. Scope

P4610.19B and DSAR 4500.15.

a. This manual describes Test Sets, Transponder

1-3.1. Reporting of Errors

AN/PAM-123(V)l, 2 and 3 (test set) (fig. l-l) and

The reporting of errors, omissions, and recommenda-

covers their operation and organizational mainte-

tions for improving this manual by the individual user

nance. It includes instructions for operation, inspection

is encouraged. Reports should be submitted on DA

and preventive maintenance of the test set. Also in-

Form 2028 (Recommended Changes to Publications

cluded in this manual is a maintenance allocation

and Blank Forms) or DA Form 2028-2 (Test) located in

chart (App B.)

the back of the manual, and forwarded direct to Com-

1-2. Indexes of Publications

mander, US Army Electronics Command, ATTN:

DRSEL-MA-Q, Fort Monmouth, NJ 07703. To use the

a. Refer to the latest issue of DA Pam 310-4 (Army),

form in the back of the manual, cut it out, fill it out as

NAVSUP 2002 section viii (Navy), or T.O. 0-1-33 (Air

shown on the sample figure 1-2, fold it where shown,

Force) to determine whether there are new additions,

and drop it in the mail. A reply will be furnished direct

changes, or additional publications pertaining to the

to you.

equipment.

b. Refer to DA Pam 310-7 (Army) to determine

1-3.2. Destruction of Army Materiel to Pre-

whether there are modification work orders (MWO'S)

vent Enemy Use

pertaining to the equipment.

Demolition of the test set will be accomplished only

1-3. Forms and Records

upon the order of the Commander. Refer to TM

750-244-2 for procedures to prevent the enemy from

a. Reports of Maintenance and Unsatisfactory

using or salvaging the test set.

Equipment. Maintenance forms, records, and reports

which are to be used by maintenance personnel at all

1-3.3. Administrative Storage.

maintenance levels are listed in and prescribed by TM

For procedures, forms and records, and inspections re-

38-750 (Army). Air Force personnel will use AFM 66-1

quired during administrative storage of this equip-

for maintenance reporting and TO-00-35D54 for un-

ment, refer to TM 740-90-1.

satisfactory equipment reporting. Navy personnel will

1-3.4. Reporting Equipment Improvement

report maintenance performed utilizing the Mainte-

Recommendations (EIR)

nance Data Collection Subsystem (MDSC) in accor-

a. Army. EIR's will be prepared using DA Form 2407

dance with OPNAVINST 4790-2, Vol 3 and unsatisfac-

(Maintenance Request). Instructions for preparing

tory material/conditions (UR submissions) in accor-

EIR's are provided in TM 38-750, The Army Mainte-

dance with OPNAVINST 4790.2, Vol 2, chapter 17.

nance Management System. EIR's should be mailed

b. Report of Packaging and Handling Deficiencies.

directly to Commander, US Army Electronics Com-

Fill out and forward DD Form 6 (Packaging Improve-

mand, ATTN: DRSEL-MA-Q, Fort Monmouth, NJ

ment Report) as prescribed in AR

07703. A reply will be furnished directly to you.

700-58/NAVSUPINST 4030.29/AFR 71-13/MCO

b. Air Force. Air Force personnel are encouraged to

P4030.29A, and DSAR 4145.8.

submit EIR's in accordance with AFM 900-4.

c. Discrepancy in Shipment Report (DISREP) (SF

c. Navy. Navy personnel are encouraged to submit

361). Fill out and forward Discrepancy in Shipment

EIR's through their local Beneficial Suggestion Pro-

Report (DISREP) (SF 361) as prescribed in AR

gram.

55-38/NAVSUPINST 4610.33A/AFR75-18/MCO

Section Il. DESCRIPTION AND DATA

1-4. Purpose and Use

receiver and decoder and, in addition, checks the trans-

ponder set transmitter and coder by evaluating the

a Test Set, Transponder AN/APM-123(V) ( ) is a

portable preflight test set for checking transponder

coded RF replies.

b. Any one of three types of RF coupling may be

sets such as Transponder Set AN/APX-44 and DOD

AIMS AN/APX-64, and AN/APX-72, Transponder

selected.

(1) Free-spacing radiation coupling by an adjusta-

Sets. The test set provides coded radio-frequency (RF)

interrogation signals to check the transponder set

ble front panel antenna.

Change 3 1-1