2/Battery Maintenance - Casio fx-180P Manual De Operación

(30) gm RUN/ENT/HLT/Data entry/delete key
IWhen a program is being written, depression of this key writes a halt
instruction.
In the programmed operation mode, depression of this key restarts execution which
has been temporarily suspended.
o : When "LRN" is displayed li.e.during program loading), depression of this key
writes a halt instruction for data entry.
o E!) : When "LRN" is displayed. depression of this sequence writes a halt instruc-
tion for the display of a result.
0 Si : When execution is at a halt during programmed operation,depression of this
key restarts execution.
I When "LR" or "SD" is displayed, this key works as a data entry/deletion
key.
0 ; In the SD mode, operate in the sequence of a data and .
In the LR mode, operate in the sequence of x data. . y data. and (PE.
0 a : To delete the data which has just been input, press this sequence instead of
in the above sequences.
2/ BATTERY MAINTENANCE
Two AA size manganese dry batteries (UMG) give approximately 7,000 hours continu-
ous operation (approx. 8,300 hours on type SUM-3).
When battery power decreases. the whole display darkens. Batteries should then be
renewed. Be sure to switch OFF the power before changing.
Replacement of batteries:
1) Slide open the battery compartment lid on the back of the unit.
2) Remove dead batteries.
3) Insert new batteries with polarity as indicated.
4) Replace the battery compartment lid.
5) Press @QEEQ DEQEBE in sequence.
' Be sure to replace both batteries.
'Never leave dead batteries in the battery compartment as they may cause mal-
functions.
' It is recommended that batteries be replaced once a year to prevent the chance of
malfunctions due to battery leakage.