ESI VideoBridge 2150, Service Manual

Page: 200 / 332

TO AVO I D ELECTR I C S HOCK FROM DANGEROUSLY HIGH VOLTAGE S , USE
O N L Y I N S U L AT E D P L A S T I C T R I M TOO L S TO P ER F O R M T H E V I D E O
ADJUSTMENTS DESCRIBED BELOW .
S T E P 2 . FOCUS Con t ro l a d j u s t s t h e
d e t a i l o f t h e d i spl ayed
c h a r a c t e r s f o r ma x i m u m s h a r p n e s s . Ma k e a d j u s t m e n t w h i l e
o b se r v i n g t h e c h a ra c t e r s a t t he c e n t e r o f t he CRT d i s p l ay .
S T E P 3 . V E RT I CAL C E NT E R
a d j u s t s t h e r e l a t i on s h i p f o r t he e n t i re
d i s p l a y by mov i ng t h e ve r t i ca l f ra m e e i t h e r up or d own .
S T E P 4 . H O R I Z O N TA L W I DTH ( u s e h e x h e a d t o o l ) - a d j u s t s t h e s i z e o f
t h e d i spl a y b y se t t i n g t he l e f t a n d r i g h t bou n da r i e s . T h e
h o r i z o n ta l bounda r i e s f o r t h e d i s p l a y e d p i c t u re c a n be
c omp r e s s e d or e xp a n d e d f o r be s t d i sp l a y s i z e .
U S E OF ANY OTHER TOOL THAN THE RECOMMENDED HEX HEAD P LASTI C
T R I M T O O L MAY RESULT I N ELECTR ICAL S HOCK O R DAMAGE T O THE
TUNI NG S L UG .
S T E P 5 . V E RT I C A L H E I G HT - a d j u s t s t he s i z e o f t h e d i s p l a y by s e t t i n g
S T E P 6 .
t h e t o p a n d b o t tom bou n da r i e s .
T h e v e r t i ca l bou nda r i e s f o r
t h e d i s p l a y ed p i c t u r e c a n b e comp r e s s e d o r e x pa n d e d f o r be s t
d i s p l a y s i z e .
CONTRAST C o n t r o l - a d j u s t s t h e ra t i o o f t h e br i g h t n e s s o f the
d i s p l a y e d c ha r a c t e r s t o t h e ba c k g r o u n d c o l o r .
T a b l e 3 - 3 i s p r o v i d e d a s a s u m m a r y f o r t h e v i d e o a d j u s t m e n t s a n d
i n c l u d e s r e f e r e n c e t o t r i mme r l o ca t i o n s a n d s e c t i on s w h e r e a d d i t i on a l
i n fo r ma t i on i s a va i l a b l e .
3 - 3 5
e l s l i 2 1 5 0 /2 1 6 0 5 /8 5