ESI VideoBridge 2150, Service Manual

Page: 88 / 332

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Any f requ e n c y e n t e r e d b e tw e e n two a va i l a b l e f requ e n c i e s w i l l a u t o­
ma t i ca l l y d i ve r t t o t h e h i g he r f re q u en c y .
E x a mp l e : S e t t he te s t f re q u e n c y t o 1 5 , 75 0 H z .
P u s h
c:l c:l c:l CJ c:l
1 5 1 5
k Hz
� c:l � �
D i splay
HZ= 1 5 78 '3 . 5 rt D rt =
1 0 0 0 rt y C O H T D I R E C T
SET L = 0 0 5 0 " S I H T GR = 0 5 0 " S A Y E =O l
A UT D l I A S O F F
99 . 158 n F cs
. 00053
K I L O
HZ
D
Commen t s
F r e q u e n c y ( 1 5 . 7 5 k H z )
au t o ma t i c a l l y
d i v e r t e d to t h e
c l o se s t h i g he r
f r e q u e n c y ( 1 5 , 7 8 9 H z ) .
No t i ce i n t he e xa mp l e s a bo v e , a s num be r s a re e n t e re d , t h e y a re e c h o e d
o n t he CRT .
W h e n t he e n t r y wa s t e rm i n a t e d by pu s h i ng H z , t h e 2 1 5 0 /
2 1 6 0 se l e c t e d t h e c l os e s t , h i g he r f re q ue n cy a va i l a b l e .
N O T E :
I n t he a bo v e e xampl e s , c ha ng i n g the t e s t f r e q u e n c y
r e m o v e s t h e w o r d " C A L I B " f r o m t h e d i s p l a y . T e s t f i x t u r e
o f f s e t c o r re c t i ons a re o n l y va l i d a t t he frequ e n c y a t w h i c h
t h e y a r e ca l i b ra t e d . F o r op t i mum mea s u r e me n t a c cu r a c y , z e ro
o f f se t c a l i bra t i o n mu s t b e pe r f o rmed a f t e r c ha ng i ng t o a n
u n c a l i b r a t e d t e s t f requ e n c y/ t e s t s i g na l c omb i na t i on .
2 - 4 9
e
/
s
/
i 2 1 50 /2 1 6 0 5 /8 5