Specifications

MIL-STD- 1472E
5.! 2~3.4 Control of hazardous o~rations. The operation of switches or controls which initiate
hazardous operations shall require the prior operation of a locking control.
5.12.4 Grwrating instructions.
5,12.4.1 Provision of owratin~ instruction. Operating instructions shall be providd for all
vehicles and vehicle equipment, except where the operation wili be obvious to all potential operators.
5.12,4.2 FOITMLInformation shall be presented in the form of diagrams whenever possible.
5.12.4.3 Soeed
notice. Maximum permissible road speeds in each gear and range shall be
indicated. On vehicles for which all road speeds are limited by engine sped, a red line on the
tachometer (if so equipped), at maximum engine RPM, maybe used in lieu of a speed placard.
5.12.4,4 Shifi handle oositions. Operating positions of shift handles (such as those on
transmission, power take-off, winch-control, and transfer case mechanisms) shall be illustrated.
5.12.4.5 Control movements. Control movements should be shown in planes parallel to the
movement of the actual controls.
5.12.4.6. General labeii.n~critena
as applicable.
5.12.5 Visibility.
Identification and instruction markings shall conform 5.5,
5.12.5.1 Night
oueradon. Indicators required by the vehicle operator during night operation
shall be ilkdnatd
The display luminan
ce shall be adjustable from 0.1 to 3.5 cd/rn2 (0,03 to 1.0
footlamberts). Blackout lighting systems, if requixed, shall be designed to preclude wxidental
operation of external lights and signals.
5.12.5.2 Visual fild The cprator shall have forward visibility through a lateral visual field of
at least 180°and preferably 220”.
5.12.5.3 Ground view. Truck design should enable the operator, in the normal operating
position, to view the ground at all distances beyond 3 m (10 ft) in front of the vehicle. When
necessary, mirrors may be used to meet this requirement, if tactical requirements permit. Upward
visibility shall extend to not less than 15° above the horizontal.
5.12.5.4 Rearview {vehioie~,Side and rear enclosures should be designed to permit the
operator to view the mar of the vehicle (dir@.ly or by use of mirmrs) in order to obsetve the load and
10f&ha& txaik Uachment and backing maneuvers.
5.12.5.5 $car
view (NN@. A ghre-proof, west coast type and spotter twrmicw mirror shall be
provided on each side of the cab, located in such a manner as to af’fordthe operator rcamvardvision
from the normal operating position.
5.12.5.6 Glare. Visors or other means should be used to prec!ude pcrfcmnanee dcgdatmn due
(o glare from
external sources such as sunlight or hewllights: however. windshields or other
trwwpwtm~W- tiuuugh which high acuit~’vision ISreqtlird shall not he tinted or colored.
5.12.5.7 Windsh~ekts and windows. i’rartspwtwi IMM A* ~ fu windshields m,d
wIr IdrTws shall he shatter-proof and shall nei[her distor! nor obscure vision.
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