MILDTL28803/1E
REQUIREMENTS:
Design and construction:
Display assembly. The display assembly shall consist of the following:
a.
Display module and if applicable, conversion logic circuit assembly (circuit configurations 1, 2, 5, and 6
only).
Insertable crimp-type terminals (see figure 3) (packaged separately).
b.
c.
Multistation matrix frame. Includes connector blocks, fasteners, front lens plate, and mounting flange.
1.
Connector block (see figure 4).
2.
Front lens plate: Shall appear obscured in the unlighted condition. In the lighted condition, characters
shall be red in accordance with MILDTL28803 on a black background.
3.
Mounting flange: Front face of mounting flange shall be a black, lusterless color.
d.
RFI shielding screen. A grounded lens screen shall be provided.
e.
Light emitting diodes.
Operating:
Dot to dot ratio (per character): 5 to 1 maximum after life (electrical).
Circuit configurations: See figure 8 for terminal block connections.
Circuit configuration 1 is a seven segment numeric display with decimal point that has conversion logic encoders
with latching.
Circuit configuration 2 is a four segment sign display with decimal point that has conversion logic encoders with
latching.
Circuit configuration 3 is a direct wired seven segment numeric display with decimal point.
Circuit configuration 4 is a direct wired four segment sign display with decimal point.
Circuit configuration 5 is a seven segment numeric display with decimal point that has conversion logic encoders
without latching.
Circuit configuration 6 is a four segment sign display with decimal point that has conversion logic encoders without
latching.
The colon sign display is a direct wired circuit configuration only.
7
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