|   1. | Setup the calibration of touch panel.  When the touch position and the responce position differ in GP3000 series, do the calibration setup and match their position. | 
                                  
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                                          | Calibration setup procedure |  
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                                                | 1. | Enter GP's OFFLINE. |  
                                                | 2. | Select [Maintenance menu] from the Menu Bar. |  
                                                | 3. | Select [Calibration Touch Panel]. |  
                                                | 4. | Move to Calibration screen and touch on the 「+」 marks. |  
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                                    | 2. | After calibration touch panel is done, check the touch panel. | 
                                  
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                                          | Touch Panel check procedure |  
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                                                | 1. | Enter GP's OFFLINE. |  
                                                | 2. | Select [Maintenance menu] from the Menu Bar. |  
                                                | 3. | Select [Check Touch Panel]. |  
                                                | 4. | Move to Check Touch Panel screen and check if parts which is touched light up correctly. |  |  | 
                                  
                                    | 3. | If it is found that the touch position and the responce position differ via Check Touch Panel, even after Calibration setup, the hardware might be broken. |