552A CONTROL CABINET

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04747A002100090005-5
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 14
• Document Creation Date: December 28, 2016
• Document Release Date: November 26, 2001
• Sequence Number: 5
• Publication Date: March 23, 1965
• Content Type: LIST

 ILLUMINATION
General:
Approved F
ease 2002/01/02: CIA-RDP78BO41
I/
Dimming controls/
Light levels
102100090005-5
COUNTERS J U
Operation l ~}~ -11~~'~~
fro set-Reset
Proper count for movement - measure
FILM CONTROLS
VLooping check switch position
RR turn - Manual withdraw and lock BA1~ ~ N~ IQ (VK~I/
/L p forming left-right
/F'lm holddown
dime I ~-2O Sec
Approved For Release 2002/01/02: CIA-RDP78BO4747AO02100090005-5
 Approved Fease 2002/01/02: CIA-RDP78B04,
OPTICAL TRAIN CHECKOUT
Check control of eyepiece assembly for function and
operation.
Eyestations Normal
Image Enhancer switch operation
ON - OFF
Channel Selector Stereo
Superimpose
Left Image Selector
Normal V
Reversion
Right Image Selector Off
Normal
Reversion V
Image Rotation Dials Operation
00 to 360` Stops
00 Set Up Check
Eyepiece optics in superimposed
straight edge set. up on platen X
in 6 inches (use carriage travel
t
mode normal image selector
axis both channels within .001
V7
dot to run out
k' A? 1'e
mode'?Aan image
within 1 any
edge). In turn dial normal reversion
straight edges should remain
parallel
of normal or reversion modes in
Interpupillary Adjustment
52mm to 73mm
either channel.
straight
of offset
combinations
With Image Enhancer off, focus eyepiece to obtain
sharpest image of fiber bundle pattern on end of fiber cable for
both eyepieces. Turn Image Enhancer on. Check fine phasing con-
trol for center position with sharpest image of Air Force Reso-
lution Chart at midposition of fine phasing control rotation.
Introduce o er1LReI 2Q C ? W 4 (AO qAJ 4(n9pNSP
 Approved
approximately 4 2irc minutes).
1-4 arc minutes required Maximum
at all system macinifications Minimum
DOT CENTERING CHECK
Turn or. Image Enhancer. Set up 4 arc minute dia. dot,
(1 multifiber) and cross hair reticles at field stops. Is dot
on center? Estimate center error in the following modes with
center reticles at field stops. Maximum allowable error is to
be 4 arc minutes with any combination.
ERROR (ARC MINUTES)
Normal Reversed
Eye Sta. Eve Sta.-
Run zoom macnification through
range Left
Right
Rotate Image
With image selectors Normal
to Reversal, rotate image in
four 90" steps between
trial for test.
With channel selector Stereo
to Superimpose, judge center
distance on dots, in Normal
to Reversion, in rotation and
at zoom extremes, each
channel, 4 arc minutes error
maximum any combination.
Left
Right
Left
Right
Left
Right
Check intensity control of reticle
Can dot be seen relative to open gate
high intensity maximum setting? Left
Right
Approved For Release.,2002/01/02 : C 4 RDP78B04747AO02100090005-5
 ? Approved lease 2002/01/02: CIA-RDP78BO 02100090005-5
Check centering of each objective lens by indexing turret. Use
highest magnification objective lens for centering. + 2 minutes
maximum error for other lenses (line width cross hair reticle
set up in field t : o) .
ERROR (ARC MINUTES)
leas Left Right
1.6-6.8X
29X-12X
101-4 3X
30X-128X
Check zoom carte