Spectravideo SVI 318 Service – Technical Manual page 22

ELECTRICAL/FUNCTIONAL
Co nnec t t h e powe r s u pp l y and modu l a t o r t o the compu t e r and the TV rec e ive r
( se l ec t t h e r i gh t c ha n nel and the TV- Sy s t em ) .
"POWER ON" LED shou ld l i gh t up and " S PECTRAV I DEOtt l o go p rompt on the s c r e e n and
chang ing c o l our t h r e e t i mes .
Basic
Fun c t i o na l C heck
T ype t he f o l low ing p rog r amme :
1.
F OR X 1 to
10
=
CHR $ ( X ) ; : NEXT : GOTO 1 0
20 ?
( P re s s tENTER' in e a ch s t a t eme n t )
P ress
( To run t he p ro g ramme )
2. "F5"
3.
all
Obse rve t h a t
r e p e a t e d l y . P e r f o rm s hock t e s t du r i ng t he p ro g ramme . i s runn i ng and
ma k e s u re the p rog ramme w� l l no t be in t e r r up t e d o r t e rm i na t e d by the
s h ock in t he t e s t .
P re s s, " STOP " , ob s erve t h a t p rog ramme i s tempor a r y s t o p p e d by th i s .
4,
P re s s " STOP" aga in and no t e t h a t t he p ro g rainme w i l l c o n t i nu e .
5 .
P re s s "CRTL STOP " , t h e p ro g ramme sho u l d te rmin a t e d by t h is comman d
and t he "OK" p rom pt r e a p pe a r .
6.
Pre s s ( L i s t t h e p rogramme ) and ob s e rve the p rog ramme con t e n t i s
"F4"
l i s te d out w i t h out e r r o r .
7 . Move t h e c u r s o r w i t h i n a l i ne and then p re s s " I N S / PASTE" , t ype i n
s e ve r a l chara c t e rs a n d ob s e rve t h a t t he cha rac t e rs a re i n s e r t e d .
P re s s "DE L / CUT" t o d e l e t e t h e cha rac t e r und-e r the cu rsor .
8.
9 . P re s s " CLS /HM'' and obse rve t h a t t he s c re en shou l d be c l e ar and the c u r sor
appe a r a t t h e l e f t- t o p pos i t i o n .
254
c ha ra c t e rs and g rap h i c s ymb o l s w i l l be d i s p l a ye d
3. 7
Turn on the lowe r sw i t c h , the