TM 5-3610-259-14
j .
Be sure that
k. Press master
1.
Press vacuum
vacuum bleed valve for loaded vacuum
POWER switch, if not already on.
pump switch for loaded vacuum frame.
frame is closed.
NOTE
Watch the effect of the vacuum on flat and plate. If air pockets form. release
the vacuum by opening the bleed valve and start again.
Wait for the vacuum to build up until needle reaches the green area of the
gage (approximately 25 pounds).
Pull out on frame release knob and flip glass frame over to face exposure
lamp and lock in place.
NOTE
“Units of light” or “light units” refer to the amount of light needed to expose
a particular material.
Following plate manufacturer’s recommendations for the
specific type of plate used and for the nature of the material being exposed,
will yield consistent, excellent results.
Correct use of the sensitivity
guide aids in determining and checking proper exposure times. 30 units of
light is a good starting point.
o.
Press numerical keys on keypad to enter necessary units of light.
P.
Verify that digital display reads correct units of light.
Press “T” key on keypad to activate the exposure. Verify that digital
display counts down and that exposure indicator lamp lights.
r.
If a second plate is to be produced, repeat steps c - m to prepare second
vacuum frame while first frame is being exposed.
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