Photographic Projection Printer EN-91A.

TM 11-405-10

Page 17, paragraph 14a, heading. Change

Control

Function

"or EN-16(1)" to EN-16(1), or EN-91A.

Figure 11, caption. Change "or EN-16

ON-OFF switch (fig.

In ON position, applies power to

(1)" to EN-16(1), or EN-91A.

11).

printer. In OFF position,

Page 19, paragraph 15. After subparagraph

shuts off power to printer.

Handwheel (fig.

Controls distance of carriage

b, add:

16.1).

assembly from easel, thereby

c. Photographic Projection Printer EN-91A.

controlling the size of the

enlargement.

Control

Function

Focusing knob - ......... ... Controls distance of projection

lens from film to permit focus

Control lever (fig.

In forward position, raises lamp

adjustment.

16.1).

house assembly. In rear

Carriage locking

Locks carriage assembly in posi-

position, 'lowers lamp house

knob.

tion on girder assembly.

assembly.

Diaphragm ring ......... Sets lens opening between f/4.5

Control lever stop

Locks control lever in forward

and f/32

(raised) position.