TM 5-3610-257-14
READING DENSITY OF GRAY SCALE STEP NO. 1
(READING ON DENSITOMETER IS ARBITRARY)
(4)
Measure highlight density to step number 1 of gray scale with densitometer and set value on DENSITY dials
of exposure control instrument.
(5)
Set MAIN UNITS dials at approximately 4 times number of time units required for normal line exposure.
(6)
Make an exposure with MAIN UNITS only.
(7)
Develop exposure under normal section conditions.
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