General guide, Turning on or off, Battery replacement – CITIZEN SR-275EU User Manual
Page 2: Auto power-off function, Reset operation

SR17D-D1-E.doc SIZE:140x75mm SCALE 2:1 2003/9/15
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General Guide
Turning on or off
To turn the calculator on, press [
ON
/
AC
] ; To turn the calculator off,
press [ OFF ].
Battery replacement
SR-270ll is powered by two alkaline batteries (GP76A).
If the display becomes dim and difficult to read, the batteries should
be replaced as soon as possible.
To replace batteries :
1) Remove the screws and the back cover.
2)
Replace the old batteries and install new ones with polarity in
correct directions, then secure the screws in place and press [
ON
/
AC
]
to turn the power on.
SR-275 is powered two AA-size ( UM-3 ) batteries. If the display
becomes dim and difficult to read, the batteries should be replaced
as soon as possible.
To replace batteries :
1) Slide the battery compartment cover in the direction indicated
by the arrow and remove it.
2) Remove the old batteries and install new ones with polarity in
correct directions, then replace the battery compartment cover
and press [
ON
/
AC
].
Auto power-off function
This calculator automatically turns it off when not operated for
approximately 9~15 minutes. It can be reactivated by pressing
[
ON
/
AC
] key and the display, memory, settings are retained.
Reset operation
If the calculator is on but you get unexpected results, press [
ON
/
AC
]
and then [ MODE ] four times to display the below menu. A message
appears on the display to confirm whether you want to reset the
calculator and clear memory contents after pressing [ 2 ].
ENG RESET
1 2
→
]
2
[
RESET : N Y
1 2
To clear all variables, pending operations, statistical data, answers,
all previous entries, and memory, please press [ 2 ]. To abort the
reset operation without clearing the calculator, please press [ 1 ].
If the calculator is lock and further key operations becomes
impossible, please press [ 0 ] [
ON
/
AC
] at the same time to release
the condition. It will return all settings to default settings.