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File name : CBM_SR285,A_HDBSR285T19_English.doc
version : 2010/04/26
General Guide
Turning On And Off
To turn the calculator on, press [ ON ] ; To turn the calculator off,
press [ 2nd ] [ OFF ].
Battery Replacement
SRP-280N is powered by one alkaline battery (G13/LR44).
SRP-285N is dual power system which is powered by one alkaline
battery (G13/LR44) and a solar cell. If the display becomes dim and
difficult to read (especially when lighting is dim for SRP-285N), the
battery should be replaced as soon as possible.
To replace battery :
1) Remove the screw and the battery compartment cover.
2) Remove the old battery and insert a new one with polarity in
correct directions, then replace the cover.
3) After changing battery, please use a pointed object to press the
reset hole in the rating label area located at the rear of this unit.
Auto Power-Off Function
This calculator automatically turns it off when not operated for
approximately 6~12 minutes. It can be reactivated by pressing [ ON ]
key and the display, memory, settings are retained.
Reset Operation
If the calculator is on but you get unexpected results, press [ 2nd ]
[ RESET ] in sequence. A message appears on the display to
confirm whether you want to reset the calculator and clear memory
contents.
RESET : N Y
Move the cursor to " Y " by [
], then press [ ] to clear all
variables, programs, pending operations, statistical data, answers,
all previous entries, and memory; To abort the reset operation
without clearing the calculator, please choose "
N
" .
If the calculator is lock and further key operations becomes
impossible, please use a pointed object to press the reset hole to
release the condition. It will return all settings to default settings.