? Functions
* 2-channel temperature monitor
* 1-channel fan speed control
* Run time  function
* Fan fault alarm
* Temperature fault alarm
* Fan speed storage function
* Auto fan speed control
→ 40°C: Low
50°C: Middle
60°C: High
* Immediate visual indication of Fan/HDD operation
? Buttons
* MODE: Switches fan controlling Auto/Manual
* RESET: Run time reset
? Applications