NOTE
For sensitometric measurement of intermediate gray, it may be desirable to
e l i m i n a t e i n h e r e n t g r a i n o f s i l v e r g r a y i n s e n s i t o m e t e r .
Simply reduce
l i g h t i n t e n s i t y u s i n g r e s i s t o r u n t i l s u i t a b l e g r a y v a l u e a p p e a r s a t c l e ar
step of wedge, and then measure value.
Another method is to tape suit-
ably valued gray filter on top of diffuser to obtain same results.
11-6.2 Operating Procedures.
a.
Vacuum cleaner.
(1) Using as vacuum.
(a) Attach dust collection bag to air discharge opening.
(b) Remove protective screen lock from air intake opening and
attach scrap trap to that opening .
(c) Attach swivel end of hose to scrap trap by turning lock to
r i g h t u n t i l s e c u r e .
(d) Attach required tool to other end of hose.
(e) Insert plug into 120 V ac wall outlet and turn on/off switch to
on.
( 2 ) U s i n g a s b l o w e r .
(a) Attach tapered rubber nozzle to discharge opening.
( b ) A t t a c h p r o t e c t i v e s c r e e n l o c k t o a i r i n t a k e o p e n i n g .
(c) Insert plug into 120 V ac wall outlet and position on/off switch to
on.
( 3 ) U s i n g a s s p r a y e r.
(a) Attach protective screen lock to air intake opening.
(b) Attach swivel end of hose to air discharge opening by turning lock
t o r i g h t u n t i l s e c u r e.
(c) Attach sprayer to other end of hose.
NOTE
Size of spray pattern is determined by adjusting screw located on top
o f s p r a y e r.
11-14
TM 5-6675-319-14