NAVY GG-P-00661 B (2)-1973 PROJECTOR STILL PICTURE OVERHEAD ATTACHMENT AND ACCESSORIES《高架静止图象投影机 附件及配件》.pdf

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1、1 GG-P-OObbLB (2) b7 9799974 0022859 7 W . GG-P10066lB(GSA-FS9) AMErm-2 January 30, lm3 SWESEIMi Amendment-i (ra-m) March 16, 1972 IlhmmmT IY) IlFl%Ftpr FEDERAL SPECIFICATION PROJECIOR, STILG PI-, OYWIIEAI); ATI?A- ARLI ACCESSORIES ?his amendment vas developed by The Standardization Mvlsion, Cenera

2、Serrices Administration, RderalSupply Serdce, Washington, D. C. 20406, based upon currently available technical information. Administration has authorized this amendment as a part of Interim Federal specification GG-0066l.B (v-FSS), dated February 8, 19% The General Services PAGE 1 paragraph 1.2.1:

3、Under classes delete in its entirety and substitute the follovlng: Auditorium Typ Projectors (see table I): Projectors designed for use In large room or auditorium seating approximately 75 to 300 persons where maximum screen brightness is 8 major factor snd portability is not critical. Classroom Q-p

4、e Projectors (see table I): Projectore designen for use in typical. cl as sr or meeting roonus seating approximately i5 to 75 persons. Coapsible ace Q-pe Projectors With Camying Case (see table I): Projectors designed for small nxw or office use, seating approximately 1 to i5 pereons, where compact

5、portability, low noise levels and short focal length are major factors. paragraph 2.1: Under “Fedel.81 Specifications“ after the line starting with CC-M-636 add the foilowin;: “DD-G-451 - GLSss, Plate, Sheet, ngured.“ PACE 2 Paragraph 2.1: Mder “Military Specifications“ delete the line “MIGC-675 - C

6、ostings of Glase Optical Elements“. After the Une starting with “MIL-1-93“ add the follaring: Mirror Coating Procese, Front surface Aluminized.“ PAW 3 %lL-M-13508 - Paragraph 2.2: Under “American National standards Institute (he uze of tools other than a screwriver. Paragraph 3.16.1: Delete first se

7、ntence in its entirety and subetitute the following: When specified (see 6.2) , the projector shall be equipped with two (2) roll attachments capable of accepting 50 feet of 1042 +, 1/4 inch wide polyester or acetate operating from either top to bottom or side to side. PAGE 8 An eaily operable rsck

8、snd pinion, free from detrimental backlash, or cam, or 8 nonslip 3.16 Projectiop stage. A projection stage approximately 10 Inches by 10 b one near each of the four corners (see 4.4.16.1) and one at the center of the area described in 4.4.12. Each of the four corner readings shall be expressed as pe

9、rcentage of the center reading. uniformity of screen Illumination shall be expressed as the average of the fair corner over center reading percentages. The 4.4.16.1 To locate the four corner positions, place the center of the light sensing device on the intereection of two lines drawn perpendicular

10、to the horizontal and vertical sides of the screen area (4.4.12). each corner in both directions. Esch perpendicular line shall be drawn 8“ (63.50nnn) fram PAGE 14 Paragraph 4.4.20: paragraph 4.4.22C line 1: paragraph 4.4.722 Une 2: Delete in Its entirety. Delete 3 hours and substitute 1 1/2 hours. Delete 30 minutes and substitiite 15 nclnutes. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-