MIL-DTL-24784/19B (SH)
analysis shall examine the mechanization of data and control functions down to the level of
particular and essential circuit components or functional modules. Essential circuit components
and functional modules are those that transform data or control the transmission of data and
orders. Nonessential circuit components, such as in-line amplifiers, are a practical necessity but
do not require detail analysis. Illustration support shall be provided by reference to SFDs in the
SFD portion of the manual.
3.6.5 Chapter 4 - System operation. This chapter shall provide all the information necessary to
operate the system effectively. It shall contain step-by-step system operating procedures for each
tactical mode, including emergency procedures for system operation under limited capability.
Other available modes, such as shore, surface and casualty, shall be treated as modifications of the
primary mode. Thus, operating procedures that are common to all modes (for example, launcher
loading and assignment) shall be detailed under the primary mode and referred to under the
secondary modes with such modifications of procedure as may be necessary. Equipment
operating instructions in the system manual shall be general in nature, since the detailed operating
instructions in the equipment manuals are required to be complete in every available mode or
condition, both system interfacing and independent.
3.6.5.1 Preoperational conditions and setup. Specific preoperational conditions presumed to be
in effect prior to system operation shall be established. A system readiness checkoff list of
significant switch positions and indicator status shall be tabulated. For indicators such as dials,
where a band of readings are possible, upper and lower limits shall be delineated. The initial
conditions of associated system equipment that directly affect system operation shall be treated in
a similar manner.
3.6.5.1.1 Initial loading instructions. This portion shall also provide instructions for the initial
loading of the computer program into the computer if the system includes a general purpose
digital computer. All required instructions covering operation of the peripheral input equipment
and controls on the computer maintenance panel shall be included to ensure that the applicable
program and routine are correctly loaded.
3.6.5.1.2 Unique parametric instructions. The instructions and data required to load or to set
any specific parametric values, modes, or sequences into the equipment that are unique to the
facility and that are not included in the computer program shall be included. This material may
include the setup of items such as program constants and parallels, into specific memory locations,
and the setting of controls that modify equipment interfaces in readiness for tactical system
operation at the specific facility.
3.6.5.2 System modes operating procedures. Beginning with the primary mode, each available
mode of weapon system operation shall be described in the normal and characteristic sequence of
major phases, events, tactical options, supervisory commands, and responsive actions of system
equipment operators. A mode description shall begin with initial target detection such as
antiaircraft and surface modes, or prebombardment planning, shore mode, as applicable, and shall
end with target destruction and system reset.
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