ACCEPTANCE TEST PROCEDURE FOR LIGHT TABLE MLT-1540 WITH HIGH INTENSITY LIGHT SOURCE OPTIONAL FEATURES

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B05171A000400020006-5
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 8
• Document Creation Date: December 28, 2016
• Document Release Date: February 1, 2005
• Sequence Number: 6
• Publication Date: April 17, 1972
• Content Type: REQ

Approved For Release 2005/02717: CIA-RDP78BO5171A0004QP-A D.
ACCEPTANCE TEST fPPOCEDURE FOP LIGHT TABLE MLT-1540
WITH HIGH INTENSITY LIGHT SOURCE OPTIONAL FEATURES
ATP (:00:')35
17 April 1972
REVISION
(See last sheet
THIS DRAW:HG AND ITS CCNTFNTS CC^::;Tn:Ufi" Pr.'Di'RIETA.RY C(;1'rlii NrIAL ITJFOi'.`:1ATION OF AIL INFORMATION SYSTEMS AND IS DIS-
CLOSED ON CO ,)IVIOiv THAT ND-1 H :"; 7:1iS D;;:%?'A O H ANY F )C1';ON' THEREOF SHALL SE RELEASED, DISCLOSED. USED. OR DUPLICATED
WITHOUT TI V, KITTEN PFI:;aiSSiGN OF AIL INFORMATION S't TF_"?S THIS LEGENDS HALL BE MARKED ON ANY REPRODUC'(ION HEREOF
IN WHOLE 02 IN PART.
SERIAL. NUMBER t O
This item has successfully performed to all of the requirements
as itemized cod checked in the body of this procedure.
Declassification Review by NGA/DoD.
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DC'C )ME 7 1W.
.'',TP '0O~35
etc. shall be verified.
1.0 PURPOSE
The pJrecse of the Acceptance Test Procedure is to verify that the Modular Li.0-4 Table,
MLT-~51O, Lig ~t Source (HILS) features meets its functional and
rE r`orrma;;ce c jectives.
NOTE: T:':i ; rc>ced. re ccveers t!-,e design changes directly related to HI I_S features only.
Excep irig fir illumination tests on the left and right format surfaces, the reference
document in Para; ra-:h 2.0 below covers the basic table versions.
2.0
25
3.0
25X
25X
25X
REFERENCE DOCUMENTS
cce prance Test Procedure ATP 600000E for basic Light.Tab le._
MLT-1 co: igurations, dated 11 October 1971.
EQUIPMENT REQUIRED
3.1 MLT-1540 complete pe dratrings 600100 and 600300,
4.0 ACCEPTANCE TEST
25X
The HILS shall be carefully examined to determine conformance to the
requirements o drawings SK6937, 6938, and 6939. Moving
parts such as covers, latches and gear mechanisms shall be checked to,
assure proper fit and operation without sticking or binding. Quality of
workmanship, proper materials and finishes, nameplate installation, . .
3.2 Changes in accordance with drawings SK6937, 6938, 6939, and 6971.
3.3 Neutral density filters, 2.0 density
3.4 Stop watch,
3.5 GFE foot lambert meter Weston Model 759)
3.6 12 inch rule, to 1/16 inch divisions or better
3.7 Gamma Scientific S2ectraradicmeter (Government equipment at customer facility only)
3.8 Overlays, drawing SK6980
3.9 Thermocouple, Simpson Model 330
4.1 (a) Connect MLT Table to regulated 117VAC, 25 amp power source.
Completion and verification on each of the following items shall be noted in the space provided.
(b) Connect H113-Control Cabinet to regulated 117VAC,.. 10 amp
power source.
4.2 Mechanical and Visual Inspection
4.3
viewing surface. Place overlay A on left viewing, surface.
excepting as modified
Overlays A, B, and C of SK6930, used throughout this procedure, are used
right side up on the right viewing surface and wrong side up for the left
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by drawing cited in Paragraph .2.
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ATP 6005,35
.Maximum Illumination
(a )
(b)
(C)
overlay.. (> 2000 f. 1.)
Max. illuminati on
Turn on background lamps to maximum illumination for
right and left format.
Verify that 30 minutes have elapsed since IF 4.4(a)
Note il!umination in left format at center of defined
area A .of overlay (> 2000 f,1. )
(d) Place overlay A, SK6980, over top of right format area.
(e) Note illumination in right format at center of area A of
' . ao
Time on
Max. I I lum i no t ion
(f) Note difference between measurements in P' 4.4(c) and .
..4.4(e).. (1 150 f.l?)
Deviation
4.5 I l lumirati on,Pcrmat
(a) Set center of left format to 2, 000f.1. (Overlay A)
Set right format to minimum
(b) Note deviation from previous reading. (1150 f. 1.)
Reference 4.5(a).
Return right format to maximum
(c)-...Note minimum illumination "over area k (0vetlay A'
all points)
:..._(< 200 f.1.) ..-..., ..::: _
etyig.'nillumination at minimum.,
(f) Note deviation from previous- minimum
(d) Note minimum illumination in area B (Overlay _B,.
all points).
Set let illumination at minimum.
(e) Note reading at format center.. (Overlay A)
Ref. 4.5(d)
Return illumination, both sides, to maximum.
Deviation
Area B
Min. II umination
150 f.l.)
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4.6 Illumination on Format Surface
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(a) Set center of right format to 2,000 f. I. (Overlay A)
Set left format to minimum
from.nrevicus reading, (?150 fl)
Re.f. 4.6(a)
Gt;fz~
r
Return left format to maximum.
(c) Note mir:in .r:: illumina~ion overarea A. .(Overlay A)
Set illumination at minimum.
_(e) Note reading at format center
(Overlay A)
Set j illumination at minimum,
(f) Note deviation from previous minimum
Ref. 4.6(c)
Observe light sources for evidence of flicker.
(a) Set both at maximum. Verify no objectional flicker '
(b)--Set both at minimum. -Verify no objectional flicker
Film Masking System
(a) Insure lamps extinguish- in proper sequence.
Film Temperature k;icasurements
(a) Cover 66% of viewing surfaces (right
density film.
Turn on background lighting, right and left at maximum
illumination.
(c) Turn on Hl LS, right a.nd left, at maximum illumination
and position spots under film center
(d) At least 30 minutes after completion of 4. 10(c), measure
temperature at fi!m plane (110?F or 30?F above ambient
.whichever is higher) .
rigs- left
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(b) Measure illumination at center of spot (> 25,000 f. 1.1) A000
the following measurements
Note: Cover spot with a 1.0 neutral density filter when making
(a) Measure diameter of ligh cd spot (~'--3/4" diameter)
4.11 High Intensity Luminance Meavurcments, sight +1'LS
Turn on right HILS and have iris full open. Verify that
cooling fan is on. (Use Overlay E)
x-771aJft
Turn on left HILS and have iris full open. (Use Overlay E)
(c) Measure illumination at I radius on 3 spots 1200 apart on
(d) Determine uniformity L> 20,000 f. I.)
(e) Operate iris for dimmin, 1500 f. I.)
4.12 High Intensity Luminance M:-asurements, Left HILS
Note: Cover area with a 1.0 neutral density filter when making
(a) Measure diameter of lighted spot (2-3/4" diameter).
circle average three readings (c) average - (b) -2 7,6 co
(c) Measure illumination at I radius on 3 spots 120? apart on
(b) Measure illumination at center of spot (> 25,000 f. l.) X6,
the following measurements.
(d) Determine uniformity (>.20..000 f.I.)
(e) Operate iris for dimming (. 1,500 f. 1.)
Review laboratory notebook data and computer program regarding
4.14
AIL 5018
(a) Color temperature
Color rendering index (CRI)
(c) Chromaticity aim points reviewed.
(d) Verify by measurements at customer facility:
HILS Operation - Manual Right Half
(a )
(b)
. Test HILS Track/Park witch for right format. Parked position
is at rear center of view. ing surface.
On Track, test initial positioning function.forX (.iithout
microscope)
For Y (without microscope)
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SHEET No. 6
(c) Verif format c(.wera"?e C" x 13;-)~0verluy C)
4.15 HILS Operation - Manual Left Half
(0)
(z)
-(c) Verify format coverage 8" x 13?;cOverlay C)
-4.16 . HILS Operation - Automatic Right Half Table Level
(a)
(a)
Test HILS Track/Park switch for right format. Parked position
is at rcur cen of viewin;} surface.
On Track, test initial positioningg function forX (without
m icrescop) . . .
For Y (wit- out microscope)
ATP 600535
After initial positioning of HILS under microscope rhomboid leg,
generally test automatic tracking function as microscope leg is
moved within 8" x 13,'Varea in X and Y. (Overlay C)
With increments marked on Overlay C, verify that tracking
speed of HILS,is a minimum of 5 in/sec in X direction, left
and right.
(c) With increments marked on Overlay C, verify that tracking
(d )*
* Procedure 4.21 may be used to verify positional accuracy when stopped.
speed of HILS is a minimum of 5 in/sec in Y direction,
forward and reverse.
Verify in X that positioning of HILS to microscope leg is
within f 1/4 inch.
(e)* Verify in Y that positioning of HI LS to microscope leg is
within ? 1/4 inch,
--.4.17: HILS Operation -Automatic Left-Half Table Level
(a )
After initial positioning of HILS under microscope rhomboid leg,
generally test automatic tracking function as microscope leg is
moved within" x 13?5
area in X and Y (Overlay- C)
With increments marked on Overlay C, verify that tracking speed
of HILS is a minimum of 5 in/sec in Y direction, forward and aft.
(c) With increments marked on Overlay C, verify that tracking speed
of Hl LS is a minimum of 5 in/sec in Y direction, left and right.
ML
(d)* Verify in X that positioning of HILS to microscope leg is within ?1/4"
(e)* Verify in Y that positioning of HILS to microscope leg is within t1/4" +
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4.18 HILS Operation - Automatic Table Tilted 15? Rig3ht Half
(a) After initial positioning of HILS under microscope rhomboid leg,
generally test automatic trucking function as microscope leg is
moved within 8" x 13;5area in X and Y. (O'Yerlay C)
(b) With increments marked on Overlay C, verify that tracking speed
of HILS is a minimum of 5 in/z,ec in X direction, left and right.
(c) With increments marked on Overlay C, verify that tracking speed
of HILS is a minimum of 5 in/sec in Y direction, forward and reverse.
(d)*-' Verify in X that positioning of HILS -to microscope leg is within ?1/4"
(e)*_:,_ Verify in.Y.that positioning of HILS. to microscope leg is within ?1/4 ,
- (a)After initial positioning of HILS under microscope rhomboid leg,
HILS Operation -Automatic Ta}&le Tilted 15?, Left Half
(b)
of HILS is a minimum of 5 in/sec in Y direction, forward & reverse.
(d)*. Verify in X that positioning of HILS to microscope leg is within ?1/4".
generally test automatic tracking function as microscope leg is
moved within 8" x 13" area in X and Y (Overlay C)
With increments marked on Overlay C, verify that tracking speed
of HILS is a minimum of 5 in/sec in X direction, left and right
(c) With increments marked on Overlay C, verify that tracking speed
(e)* . Verify in Y that positioning of HILS to microscope leg is within ?1/4".
-4.20 Uniformity of Illumination,
The maximum linear brightness gradient for each of the illumination sources
shall not exceed 45% between any Iwo measurements taken within the area A
_ on
SK 6971. In addition, ,the brightness gradient shall be.no, greater than
%.A%+10 vvei lilt: G'IIriFC H T D Iiluminarea area.
.4.21 HILS Position. Procedure (For Reference Only)
(a) Position the HILS in approximately the center of area A, see SK6971.
control tor the same diameter of the overlay
(c) While observing the overlay through microscope, adjust microscope and bridge
to position the center of the overlay (Initial position) within center of.
~vmicroscope view.
(d) Manually position bridge to a new position (X cr Y direct ion)
(e) - Reposition overlay over the HILS area:
(f)
Center of overlay as viewed in microscope should be within ?1/4 inch.of
initia I position.
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DESCRIPTION