MIL-STD-38784A
NOTE
Throughout this publication requirements that are only applicable to
speciic military services are indicated by the following: (A) for Army, (F)
for Air Force, (M) for Marine Corps and (N) for Navy.
3.2 Deinitions.
3.2.1 Apron (blank apron). Print presentation: A blank area starting at the binding edge of foldout pages
(see 3.2.15) which is slightly wider than a normal page. The blank apron permits the technician to use a
foldout while reading the associated text. MIL-HDBK-38790 gives dimensions for blank aprons.
3.2.2 Boxhead title. Those titles which are enclosed by rules at the head of a column on tables
and charts prepared as tables.
3.2.3 Callout. Anything placed on an illustration to aid in identifying the objects being illustrated, such as
index numbers, nomenclatures, leader lines, arrows and, when placed directly on the illustration, legends.
3.2.4 Caution. Highlights an essential operating or maintenance procedure, practice, condition, statement,
etc.., which, if not strictly observed, could result in damage to, or destruction of, equipment or loss of
mission effectiveness. Cautions are further explained in Appendix A.
3.2.5 Change. Print presentation: A change is comprised of corrected pages to the basic manual. It consists
of information that improves or clariies the basic manual without requiring rewriting or reorganization of the
technical content of the basic manual.
(F) Electronic media requirement: Changes are accomplished through revisions and will be identiied in the
list of changes, that will be linked to the corresponding changes.
3.2.6 Change designator. Print presentation: A unique number or letter used to differentiate each change
page from the original pages and to differentiate among changes.
(F) Electronic presentation: Change designators are not required in screen display. The List of changes
contain the list of all changes made to the manual with links to the corresponding changes.
3.2.7 Chapter. The irst major functional division of a publication.
3.2.8 Chunk. See scrollable view (see 3.2.31).
3.2.9 Department of the Army Equipment Publication(s) (DAEP). (A) Those publications that have
been authenticated, printed, and distributed for use during the production and operations phase of the
life cycle of the equipment.
Technical Bulletins (TB) (A) Technical Bulletins are a U.S. Army publication type that contains information,
procedures, and techniques of a technical or professional nature relating to equipment and general subjects. A
TB does not contain administrative material or material pertaining to tactical training or tactical operations.
TBs may supplement equipment TMs however the contents of equipment TMs will not be changed by
TBs nor will TBs be published instead of equipment TMs. TBs cannot have Operations, Maintenance or
Repair Parts and Special Tools List (RPSTL) data. TBs are published at the same time as the TMs
they support or after the TM is completed. TBs should not be used for pocket sized quick reference
guides. TBs are generally smaller in size (under 200 pages as a rule).
3.2.10 Draft Equipment Publication(s) (DEP). (A) Those publications prepared during the full scale
development phase of the equipment which are used for Technical Test I (TTI) and user tests (Initial
Operational Test and Evaluation (IOT&E), usually with prototype models of equipment. The DEP is also
used for coordination and review by user agencies US Army Forces Command (FORSCOM) and US Army
Training and Doctrine Command (TRADOC) and for veriication. The DEP also designates the publication
that is sent for user coordination during revision of Department of the Army (DA) equipment publications.
a. The DEP is prepared in the format prescribed by applicable detail speciication. It is an updated
version of the Preliminary Draft Equipment Publication (PDEP) which includes all changes as a
result of the validation and early technical and user testing (TTI) and Early User Test and
Experimentation (EUT&E) and physical tear down function of the maintenance evaluation.
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