MRC DFO Series Скачать руководство пользователя страница 5

for 5 seconds to complete the low point calibration. A similar procedure is applied for 
high scale calibration.  
The two points OFTL and OFTH construct a straight line. For the 
purpose of accuracy, it is best to change the value same on the two points as possible. 
 
 

Auto-Tuning (only if needed) 

Instrument has been set the best PID value; we suggest executing auto-calculating 
when temperature is unstable. Enter auto-calculating: 
 

Press

and hold until appears 

 on the display then release. 

Press

 and hold at least 5 seconds. The TUNE indicator will begin to flash 

and the auto-tuning procedure is beginning. 
After the Auto-Tuning process is completed, the TUNE indicator will stop 
flashing and the unit will revert to PID control by using its new PID values. The 
PID values obtained are stored in nonvolatile memory. 

 

Note: To enable auto-tuning the lock parameter should be set to 1000. 
 

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