MIL-PRF-83755B
6.3 Subject term (key word) listing.
Case
Lens
Light
Mounting bracket
Scroll
6.4 Scroll text indicator. A lens with a yellow indicating line, 0.010 to 0.015 inch wide has been
used to indicate a line of text on the scroll.
6.5 Movement of scroll checklist. Two rollers with knobs mounted on the outside of the case
have been used to move the scroll check list. Each roller should be sized to hold the entire scroll
check list as defined by 3.9.1. The rollers should have a mechanical means of attaching the scroll
check list such that the scroll check list remains attached during operation. Tapes and tacks are
unacceptable means of attaching the scroll check list to the rollers. MS91531-2N2B knobs
mounted on the outside of the flight check list holder case have been used to turn the rollers.
6.6 Light. A MS25231-313R red lamp or green phosphoresce lamp as defined by the Improved
Lighting System for Army Aircraft has been used to illuminate the scroll check list. A MIL-L-
3661/1 LH20 lampholder has been used to mount the lamp. A rheostat with a MS91528-1N2B
knob mounted on the outside of the case has been used to dim the light.
6.7 Changes from previous issue. Marginal notations are not used in this revision to identify
changes with respect to the previous issue due to the extent of the changes.
Custodians:
Preparing activity:
Air Force - 99
Air Force - 82
Army - GL
(Project 1680-F661)
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