BIO RAD Gel Doc 2000ChemiDocChemiDoc XRS Hardware Instruction Manual page 13

f) Now adjust the camera position such that the following conditions are met:
i. The lens body is flush against the rubber gasket on the adapter plate
ii. The lens is well centered in the opening of the adapter plate as shown in the picture.
g) It may be required to adjust the black adapter plate on the bracket assembly to center the lens.
To do this:
i. Loosen the black thumbscrew (identified as "Lens center adjustment screw") on the
bracket assembly
ii. Adjust the black adapter plate so that the lens is centered in the opening as shown.
iii. Tighten the black thumbscrew and tightly secure the black adapter plate to the bracket
i. The lens body should be completely
flush against the rubber gasket
h) Once the camera position is aligned as shown above, tighten the black knob to secure the
camera to the bracket assembly.
i) Remove the four black knobs and washers from the camera bracket-mounting studs located
on the top of the Universal Hood assembly.
j) Carefully place the Camera + Bracket assembly on top of the Universal Hood by making sure
that the Lens goes into the opening located on the top. See picture for detail:
ii. The lens should appear centered in the black
adapter plate as seen from the opening on the
underside of the bracket.
Tighten the black knob to secure the
camera to the bracket assembly
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