Units not having self-contained illumination: Dials for units not having
self-contained illumination shall have white faces with black numerals,
graduations, and lettering. In units having a single indication, the pointer
shall be black. In units having two concentric indications, distinctive colors
and numerals shall be used to identify each pointer.
Dial sizes: Size of dial markings, dial window openings, and dial windows
shall be as shown in table 1.
Terminal boards: Terminal boards for the connection of ship wires shall be
provided when specified in the acquisition technical data package. Ship wire
designations shall be shown for these terminal boards.
Wiring: Internal wiring shall be provided and connected to terminal boards.
Wiring from the ship cables will be connected to these terminal boards.
Illumination shall be provided for operational description
plates and controls.
Dimmers: Two dimmers shall be provided. One shall control illumination
intensity for the operational description plates, and the other the remaining
items. Illumination intensity controlled by each dimmer shall be unaffected
by any other dimmer setting in the system.
Red illumination: Red illumination for protecting dark adaptation shall
be used when specified in the acquisition technical data package.
Indications shall be readable when shielded from direct
Lamps shall be as specified in the acquisition technical data
Navy - SH