| 摘要 |
A PND (10) having a touch panel (18) is provided with a switch (31) turned on when an operator holds the PND (10) by one hand. Further, the PND (10) is configured to change and set a touch detection threshold to detect, according to "ON" or "OFF" of this switch (31), whether the operator touches the touch panel (18). By this means, it is possible to increase the detection accuracy of a touch operation in a simple configuration. |
