Casio FX-9860G-L-IH User Guide - Page 13

4-1 P Button (In case of hang up) 4 P Button (In case of hang up) Pressing the P button resets the calculator to its initial defaults. P button Warning! Never perform this operation unless you want to totally clear the memory of the calculator. If you need the data currently stored in memory, be sure to write it down somewhere before performing the P button operation. • Pressing the P button while a calculation operation is being performed (while the calculator is performing a calculation internally) deletes all data in memory. • You can also reset the calculator using front panel key operations. See "11-4 Reset" in the fx-9860G Series Software User's Guide for more information. Use the P button to reset only while the front panel keys are disabled for some reason. 1. If the calculator is on, turn it off. 2. Press the P button on the back of the calculator. Important! • Never use a toothpick, pencil, or any other object whose tip may break off easily. Doing so can lead to malfunction. 3. Hook your finger at the center of the calculator's panels, and open them up. • This will display the Main Menu. Note • Use the following procedure to adjust contrast as required. 1. Use the cursor keys to move the highlighting to the SYSTEM icon, press w, and then press 1( ). 2. Adjust display contrast. • Press e to make display figures darker. • Press d to make display figures lighter. • Press 1(INIT) to return contrast to its initial default setting. 3. When contrast is the way you want, press m. 20070201