Sharp PC-1403 - CHAPTER 9 TROUBLESHOOTING; Machine Operation Issues

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1 . P res s I EN TE R I k e y .
The re i s a d i splay, but no respo n se
to keys t ro k es
T her e is nothing on t h e disp l ay afte r
you have t urn ed o n the machine
T h en Y ou Should :
If :
1 . C h eck to see t hat the powe r switch is
i n t he ON pos i tion .
2 . Pr e ss th e i[__~ l k e y t o see if AUTO
POW ER OF F has been activated.
3. R eplace t he batte ri es .
4 . Adju s t th e contrast cont r ol.
1 . Pre ss , ~ ke y to clear.
2 . P re ss ~ ( i s1-11Fr I ~ ) k e y to
cl e a r .
3. T u rn the power O F F a nd O N a gain .
4 . H ol d d own an y k e y a nd pu s h RESET
b utt on .
5. P ush R ESET bu tto n w i t hou t p r essi n g
any key .
1. Pr ess I EN TE R I key .
You get no respo n se after yo u have
typed in a ca l culation or answe r
The m ac hi ne displays somet h ing
and sto p s while you a r e runn i ng a
BASI C program
You r ca l c u la t ion entered is disp l ayed 1 . Change the mode from PR Ogram to
in B ASIC sta t e m e n t format (co l on RUN for cal c ulatio n s .
a ft er t he first n u mber )
Machine Operation
This chapt e r pro v i des you wit h so me h i n ts o n wha t to do when your SHARP
COMPUTER does not do what you e x pect fr o m i t. I t i s d i v i de d in to two parts-the ti r s t
part d eals with ge n e ra l m ac hi n e operatio n a nd the seco nd with BASIC progr a mming .
F or ea c h problem , there are a series of remedie s s ugge s ted. You s hou l d try ea c h of
th e se, one a t a time , u nt i l you ha ve sol v ed the problem .
CHAPTER 9 ·,,
TROUBLESHOOTING
Troubleshooting