Canon F-789SGA 用户手册

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1. Remove the battery insulation tab to load the battery.

2. Press                                           to initialize the 

calculator.

Power ON: When         is pressed.

Power OFF:                are pressed.

  When the calculator is not used for approximately 7 

minutes, it will automatically power off.

 Display Contrast Adjustment 
   Press                            (6:    CONT    ), to enter the 

Display Contrast Adjustment screen.

  Press      to darken the display contrast.

  Press      to lighten the display contrast.

  Press         or         to confirm and clear the screen.

  To initialize the LCD contrast, press

         outside the 

Display Contrast Adjustment screen.

 Mode Selection  
   Press         to enter the Calculation Mode Selection 

screen.