| 摘要 |
PURPOSE:To specify whether a fault occurs in a display or in a circuit connected to the display when display cannot be performed. CONSTITUTION:This equipment is provided with a display signal circuit diagnostic means 28 which diagnoses a display signal circuit from a CPU 33 to a display 26, a test terminal 41 connected to the CPU 33, and an error output means 28 which outputs an error signal to the test terminal 41 when a fault of the display signal circuit is detected by the display signal circuit diagnostic means 28. Then when a fault occurs in the display signal circuit, an error signal is outputted to the test terminal 41. |
