ESI VideoBridge 2150, Service Manual

Page: 57 / 332

2 . 1 . 1 . 2 ( 2 1 6 0
T h e Keybo a rd Ove r l a y ( P /N 5 5 4 1 3 ) i s u sed i n c on j u n c t i on w i t h 2 0 COD E
t o red e f i n e t h e ma i n k e y boa rd
of
t he V i de o B r i d g e f o r f u l l
a l p ha n u me r i c s . T h e p r i n c i pa l use o f t h e s e c ha ra c t e r s i s f o r en ter i ng
name s o f c a s s e t te f i l e s . T h e s e names a r e l { s t e d o n t he t a pe d i re c t o ry
( 1 2 CODE ) a n d a r e a l so u sed w h e n s t or i ng a nd re t r i e v i n g mea s u reme n t
d a t a o n t h e t a p e . F o r m o r e i n f o r ma t i o n o n u s i n g 2 0 C O D E a n d t h e
K e y b o a r d Ove r l a y t o c re a te tape f i l e n a me s , re f e r t o s e c t i on 2 . 9 . 5 o f
t h i s ma n u a l .
NOTE :
The K e y b o a r d O ve r l a y i s s i l k s c r e e n e d on bo t h s i d e s .
One s i de ha s t h e or i g i na l keyboa rd f u n c t i on s . The o t h e r s i d e
h a s t h e new a l p h a n u me r i c keyboa rd f u n c t i o n s . U n d e r no rma l
o p e r a t i on , t h e o ve r l a y c a n be s t o red o ve r t h e ma i n k e y b o a r d
w i t h t h e o r i g i n a l k e y b oa r d f u n c t i o n f a c e u p . W h e n t h e
a l t e r n a te k e y boa r d f u n c t i o n mode i s s e l e c t e d , t he ove r l ay c a n
b e t u r n e d o v e r t o r e vea l t h e n e w a l p h a n u me r i c f u n c t i o n s . A l l
d i s c u s s i on i n t h i s m a n u a l r e g a r d i n g t h e a l t e r na te k e y boa rd
f u n c t i o n mode a s s ume s t h e ove r l ay i s s t o red on t h e k ey b oa r d .
The S t a t i s t i c s a n d Ana l og a p p l i ca t i o ns p r og rams u s e t h e i r own keyboa r d
o v e r l a y . E a c h o f t h e s e o v e r l a y s i s e x t e n d e d t o f i t o v e r t h e 1 2
a u x i l i a r y k e y s a s w e l l a s t h e ma i n k e y b o a r d . W h e n u s i n g S T A T o r
ANALOG , t he se 1 2 k e y s on t he r i g h t h a n d s i d e o f t he key boa rd a re a 1 s o
r e de f i ned t o d i s p l a y t h e a ppr op r i a te a pp l i c a t i on s prog ram f u nc t i o n .
S TAT k e y boa r d ove r l a y - - P /N 5 5 4 1 0
ANALOG k ey boa r d o ve r l a y - - P /N 5 5 4 1 2
e
l
s l i
2 - 1 8
2 1 50 / 2 1 6 0 5 /8 5
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