PHOTOTYPESETTER (cont)

TM 5-3610-254-14

1-12. PHOTOTYPESETTER (cont)

(A)

Keyboard for controlling typesetter.

(B)

CRT for monitoring operation.

(C)

Motor controls character disc.

(D)

Lamp provides light source.

(E)

Character disc provides the characters.

(F)

Enlarging lens is movable and forms an aerial image.

(G) Collimating lens is movable and is positioned to maintain a relationship of one focal length away from aerial image

projected by the enlarging lens.

(H)

Collector lens is on a carriage which moves parallel to the paper plane.

(I)

Mirror reflects light from collector lens downward to film plane.

(J)

Film plane is where the paper is exposed.

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