Texas Instruments BA-20 Profit Manager User Manual - Page 102

In Case of Difficulty, Battery Disposal

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Battery Disposal • Do not mutilate, or dispose of batteries in fire. • The batteries can burst or explode, releasing hazardous chemicals. • Discard used batteries according to local regulations. In Case of Difficulty Use this list of possible solutions to difficulties you might encounter with the calculator to determine if you can correct a problem before having to return it for service. Difficulty Solution The calculator computes wrong answers. Check the settings of the current worksheet to make sure they are correct for the problem you are working; for example, in the TVM worksheet, check END and BGN and be sure the unused variable is set to zero. The display is blank; digits do Select the worksheet again. Be sure the not appear. battery is properly installed and replace, if necessary. The calculator does not display Be sure you have selected the correct the correct worksheet worksheet. variables. The calculator does not display Press & | to check or adjust the the correct number of decimal setting for number of decimal places places. displayed. The calculator does not display Press & | # # to check or adjust the correct date format. the setting for date format. The calculator does not display Press & | # # # to check or the correct separator format. adjust the setting for separator format. The calculator does not display Press to check or the correct result in a math adjust the setting for calculation calculation. method. An error occurs. (See "Error Messages" on page 94.) If you experience difficulties other than those listed above, press & } ! to clear the calculator, and then repeat your calculations. Note: You can also perform a hard reset using the reset hole in back of the calculator. (See "Resetting the Calculator" on page 6.) 98 Appendix - Reference Information

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98
Appendix — Reference Information
Battery Disposal
•
Do not mutilate, or dispose of batteries in fire.
•
The batteries can burst or explode, releasing hazardous chemicals.
•
Discard used batteries according to local regulations.
In Case of Difficulty
Use this list of possible solutions to difficulties you might encounter with
the calculator to determine if you can correct a problem before having to
return it for service.
If you experience difficulties other than those listed above, press
&
} !
to clear the calculator, and then repeat your calculations.
Note:
You can also perform a hard reset using the reset hole in back of
the calculator. (See “
Resetting the Calculator
” on page 6.)
Difficulty
Solution
The calculator computes
wrong answers.
Check the settings of the current
worksheet to make sure they are
correct for the problem you are
working; for example, in the TVM
worksheet, check
END
and
BGN
and be
sure the unused variable is set to zero.
The display is blank; digits do
not appear.
Select the worksheet again. Be sure the
battery is properly installed and
replace, if necessary.
The calculator does not display
the correct worksheet
variables.
Be sure you have selected the correct
worksheet.
The calculator does not display
the correct number of decimal
places.
Press
& |
to check or adjust the
setting for number of decimal places
displayed.
The calculator does not display
the correct date format.
Press
& |
# #
to check or adjust
the setting for date format.
The calculator does not display
the correct separator format.
Press
& | # # #
to check or
adjust the setting for separator format.
The calculator does not display
the correct result in a math
calculation.
Press
& | # # # #
to check or
adjust the setting for calculation
method.
An error occurs.
(See “
Error Messages
” on page 94.)