TM 5-3610-285-14
(8)
Set intensity dial to 3.
(9)
Set time to 40 seconds.
(10)
Turn on power switch for timer/power supply control box.
NOTE
When full vacuum is reached (approximately 25 lbs) on the vacuum gage, you are
ready to make exposures.
Be ready to move the cardboard mask quickly as you watch the timer.
(11)
Press the start button to activate the timer.
(12)
At 30 seconds, quickly move the mask to uncover another 1/4 of the film (1/2 is now showing).
6-13