Sentry Industries CA756 - Manual (Page 4)

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Battery Replacement
If the display becomes dim, replace the battery with new
one according to the following procedures.
Battery: CR2032 x 1
1. Turn off the Graphic Scientific Calculator.
2. With a screwdriver, remove the screws of back cover.
3. Remove the old battery and insert the new one
immediately (+ side must be UP).
4. Replace the back cover.
Auto Power Off function
The power of the unit is automatically switched off
approximately 6 minutes after the last key operation
(except during program calculations). Once this occurs,
power can be restored by pressing the
key. (Numeric
values in the memories, programs or calculation modes are
unaffected when power is switched off.)
Reset operation
• Strong external electrostatic charges can cause this
calculator to malfunction. Should this happen,
perform the following procedure to reset the
calculator.
The following procedure clears all data from the memory of
the calculator and cannot be undone! To avoid the loss of
important data, be sure to always keep written backup
copies.
1.Press the RESET button on the back of the calculator
with a thin, pointed object.
Following the reset procedure described above, the
calculator is initialized as follows
:
1.RUN mode
2.COMP mode
3.DEG mode
4.NORM1 mode
5.Decimal mode (for BASE-N calculations)
6.Variable memories cleared
7.Defm 0 (400 program steps)
8.Answer memory clear
Input Ranges of Functions ....................... 132
Specifications ................................ ....... 135
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