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Casio FP-231CE Operation Manual page 3

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2
------■
Inserting the CETL-11 ROM P a c k • • - - -
--
To
use CETL-II, insert the "CETL-II
ROM
pack" into the FP-200 computer accord-
ing to the )?rocedure described below.
(1) Turn off the
computer power
switch.
(2)
Turn the computer over.
(3)
While
pushing
B
on the right side
of the
bottom,
slide the cover in
the direction indicated by the
arrow.
Remove
the cover
and
take out the
back-up battery.
Powers
,,riu
,-.,
....
~
Power is
turned
off by
movi
ng
the switch forward.
Bottom side of
the
computer
Additional RAM
and ROM setting
case
Back-up battery case
0
~
!CA&rol
Memory back-up
battery
( 4) Remove the cover of
the
addi-
tional RAM and ROM setting
case,
using the same procedure.
Insert the "CETL-II
ROM pack"
in
the left side,
then replace
the
cover.
Additional
RAM and
ROM setting
case
Back-up
battery
case
0
CETL-11
ROM pack
(5)
Insert
the back-up batteries and
replace the
cover.
Be
careful
to
insert
the batteries
with the
correct polarity.
( 6)
Turn
on
the power
switch and
type
"RESET
!!I
".
Insertion
of
the
CETL-11 ROM pack is
complete.
d
OPEN
-
3

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