STo replace the batteries
Important!
•Never turn on the calculator while the batteries are removed or not loaded correctly. Doing so can cause memory data to be deleted and malfunction of the calculator. If mishandling of batteries causes such problems, correctly load batteries and then perform the restart operation to resume normal operation.
•Be sure to replace all four batteries with new ones.
•After replacing batteries, check to make sure that battery settings are configured correctly.
1.Press M(OFF) to turn off the calculator.
Warning!
•Be sure to turn the calculator off before replacing batteries. Replacing batteries with power on will cause data in memory to be deleted.
2.Making sure that you do not accidentally press the Mkey, attach the front cover to the front of the calculator and then turn it over.
3. Remove the battery cover from the calculator by pulling with your finger at the point marked .
4.Remove the four old batteries.
5.Perform steps 2 through 13 of the procedure under “Before Using the Calculator for the First Time...” on page
I About the Auto Power Off Function
1
Calculator power turns off automatically if you do not perform any operation within the Auto Power Off trigger time you specify. You can specify either 10 minutes or 60 minutes as the trigger time (see “Power Properties Settings” on page