APPENDIX
A
QUESTIONS
AND
ANSWERS
36
Q :
How
to
do
if
the L
ED
never
li
ght?
A:
Pl
ug
t
he
AC
adaptor
and
d
in
cab
le correctly; make sure
that the power
is
okay.
Sw
itch the
dr
ive power on.
Q:
How to
do
if the drive active
lamp
doesn't turn off?
A:
Turn
off the drive
and
then disconnet
it
with the computer.
Fbwer on the drive again.
If
it's
all right then follow the
manua
l to
do
so.
Q: How
to
do
if the dr
ive
act
ive L
ED
blinks?
A:
norma
ll
y,
this
is
an
error action.
First
of
a
ll
, disconnect the
dr
ive
wi
th the computer
and
power
up
it again.
If
it
still
blinks
th
en some service
for
the
dr
ive
is
need.
Q :
If
the
dr
ive
canno
t r
ead
a well prepared disk. what's wrong?
A:
Turn
off your drive
and
insert the head-protection sheet into
it.
Then.
try to
read
your disk
again.
Q:
"THE
DEVICE
IS
NOT
PRESENT"
message
is
always
shown.
why?
A: Check the din
cab
le fi
rs!.
then
se
t the
dr
i
ves
selector
to
8
(or
9.
1
0,11)
to match your pr
og
ram.
Q:
The
dr
ive doesn't respone to the
compu
t
er.
A:
Check the din
cab
le
firs
t
and
reset the drive by power on
it
again.
Redo your procedure.
Q :
Why
does the L
ED
b
li
nk
while pr
ogram
is
in
progress?
A:
Type
"
PRINT
DS
" or
RUN
the error routine to
get
the rea-
son.
Some
ti
mes,
there
is
not
an
error for the
~
ED
blinking,
unless it b
li
nks
continua
ll
y.
;-
-~
Q: How to avoid error occurance?
A: Please fo
ll
ow these instructions below for convenience
in
operating.
Don't write on a protected di
sk.
Don't
open
an
opened
fi
le.
Don't forget to close a f
il
e when
opera
ti
ons are completed.
Don't for
get
to
open
da
ta f
il
e for bl
ock
programming.
Don't use
channe
l
other
t
han
15
for
command
communication.
Don't crave too much
on
the disk to avoid "NO
BL
OCK"
error.
Don't
ope
r
ate
wi
th any nonexistence
file,
track or sector.
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