Sharp EL9900C EL-9900C - Page 12

Chapter 1 Getting Started Before Use Inserting batteries resetting the memory 1. Open the battery cover located on the back of the calculator. Pull down the notch, then lift the battery cover up to remove it. 2. Insert the batteries, as indicated. Make sure that the batteries are inserted in the correct directions. Note: 3. Pull off the insulation sheet from the memory backup battery. 4. Place the battery cover back, and make sure that the notch is snapped on. 5. Press O and you will see the following message on the display: PRESS [CL] KEY TO CLEAR ALL DATA PRESS [ON] KEY TO CANCEL If the above message does not appear, check the direction of the batteries and close the cover again. If this does not solve the problem, follow the instruction described in "Resetting the Calculator - 1. Using the reset switch" on page 29. 6. Press C to reset the calculator's memory. The memory will be initialized. Press any key to set the calculator ready for normal calculation mode. 2