CHAPTER 3 OPERATING INSTRUCTIONS

CHAPTER 3

OPERATING INSTRUCTIONS

Section I. CONTROLS AND INDICATORS

15. Major Component Controls

a. Printer PH-129-(*) or Printer PH-689(*)/TF.

Control

Function

Control lever (fig. 14)

In forward position raises condenser lens assembly. In rear position lowers

condenser lens assembly.

Control lever stop

Locks control lever in forward (raised) position.

ON-OFF switch (figs. 11 and 12)

In ON position applies power to enlarger. In OFF position shuts off power

from enlarger.

Note. This switch must be left in the ON position when either the foot switch

or the interval

timer is being used.

Carriage locking knob (fig. 15)

Clockwise rotation locks the enlarger body on girder assembly.

Counterclockwise rotation releases the enlarger body to permit movement on

girder assembly.

Focusing knob

Clockwise rotation raises the projection lens and bellows. Counterclockwise

rotation lowers the projection lens and bellows.

Diaphragm ring (f/stop)

Clockwise rotation increases projection lens aperture.

Counterclockwise rotation decreases projection lens aperture.

Photographic Projection Printer EN-16(1).

Control

Function

ON-OFF switch (fig. 3)

In ON position applies power to enlarger. In OFF position shuts off power

from enlarger.

Operating hand wheel

Clockwise rotation lowers enlarger body. Counterclockwise rotation raises

body.

Operating hand wheel locking knob

Clockwise rotation locks enlarger body on main body slide way.

(fig. 16).

Counterclockwise rotation releases enlarger body to permit movement on

main body slide way.

Focusing knob (figs. 3 and 16)

Clockwise rotation raises projection lens. Counterclockwise rotation lowers

projection lens.

Focusing locking knob (fig. 3)

Clockwise rotation locks focusing knob. Counterclockwise rotation releases

focusing knob.

Diaphragm ring (f/stop) (fig. 16)

Clockwise rotation increases projection lens aperture. Counterclockwise

rotation decreases projection lens aperture.

Plunger (fig. 3)

Secures negative carrier in correct position.