Sharp PC-1403

11
When to Replace the Cells
If t h e d i sp l ay is dim a n d d i ffic ult t o s ee w h e n vi e w e d fr o m the fr ont ev en after t he co n trast
co n t r o l ha s been t urn e d cou n ter clock w is e as far as it goes , t h e cell vo l tage i s to o l ow .
In this c a s e , re pl ace th e cells p r om ptl y .
Note : If y o u a r e u si n g th e op t i o nal C E-126P cassette i nterf ace , save yo u r p ro gr a ms
a nd d ata in me mory on t o a ca s se tte t ape b e fore re p l aci ng t h e ce ll s .
• U s e on l y the s p ec ifi ed t yp e of l i t hiu m cells (CR-2 0 32 ) (tw o r e quired ).
T h e COMPUTER norm ally operates on the tw o b u ilt- i n l it h ium ce ll s .
Wh e n r e plac i n g t h e cells , f o ll owing t he s e cautionary in str u c t i ons will e lim i n a t e m a n y
p rob l e ms:
• A l w a y s replac e both cells at the sa me t i me.
• Do n o t mi x a ne w c e ll wit h a used cel l.
Cell Replacement
I D .... - ---- - Cont rast C o n tr ol
Turn th e c ontr ol in th e a r r ow d i r ectio n (co un-
terclockwi se ) fo r a hi g he r c o ntr a s t a nd i n th e
oppo s i t e dir e c t i o n ( c l o ck w i se ) f or a l ower c on -
tr a s t.
_J_J _/_J _J_J
_J _/ _/ _J _J --'
_J_J_j_J_J _J
_J _J _}_J_J
J _}_j_J_J
' _}_.J_J_j
_.J_}_J_J
Yo u r co m p u ter h as o n its right side w he n vi e w e d f rom the fron t , a con t ro l for ad just i ng
t he co ntr a st of the d i sp l ay . Adj u st t he d i sp l ay f o r visib i l ity .
Contrast ConVol
Int r oduction to the Computer