AVOCOR AVF- 6500 Series, Installation & Operation Manual, Page: 42 / 84

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C o ntra st:
O n yo ur e xte rna l te st p a tte rn so urc e , se le c t a ste p p e d , g re y-b a r p a tte rn like the o ne sho wn in
Fig ure 4-3.
Fig ure 4 - 3 . Ty p ic a l G re y Ba r Pa tte rn fo r Ad justing C o ntra st
Se le c t C o ntra st a nd p re ss
◄
o r
►
to a d just the c o ntra st to a p o int just b e lo w whic h the white
re c ta ng le sta rts to inc re a se in size .
NO TE
Brig htne ss a n d c o ntra st c o ntro ls a re inte ra c tiv e . A c h a n g e to o ne m a y re q uire a sub tle
c h a n g e to the o the r to a c h ie v e the o p tim um se tting .
Sha rp ne ss:
“ Sha rp ne ss” is the a mo unt o f hig h-fre q ue nc y d e ta il in the ima g e . To a d just sha rp ne ss, se le c t
Sha rp ne ss fro m the Vid e o Se tting s me nu. O n yo ur e xte rna l te st p a tte rn so urc e , se le c t a p a tte rn
like the o ne sho wn in Fig ure 4-4. Ad just a s ne e d e d , lo o king fo r white e d g e s a ro und the tra nsitio ns
fro m b la c k to g re y a nd d iffe re ntly-size d line s in the “ swe e p ” p a tte rns a t the to p a nd b o tto m.
Lo we r the sha rp ne ss se tting to e limina te the m.
Fig ure 4 - 4 . Ty p ic a l Te st Pa tte rn fo r Ad justing Sha rp ne ss