7.4 System Diagnosis

User could check the status of hardware in this page.
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Touch these icon to turn on the LED on key 1/2 for a while.  | 
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Touch this icon to have a long beep.  | 
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Touch this icon to switch on the the cooling fan for 2 seconds.  | 
"System Diagnosis" includes following info:
- Axial status display
 - Axial machine position
 - Input status of wheel, button, etc
 - Output status of fan, buzzer, etc
 - ESPU I/O status
 - Temperature display
 - System time display