  "MENU -> MAIN SETUP -> CALIB -> PSL CALIBRATION"
 "VOLTAGE",  POINT #1:
	 , 
	 , 
	   DAC_CODE,       "VOLTAGE - V".
	   DAC_CODE,    CALIBRATE.
	    CALIBRATE.
	  CALIBRATE     POINT #2.

   .
 VOLTAGE/CURRENT  POINT1/POINT2   ,   .

 "EXIT": ERASE EEPROM -     .
		SAVE ALL & EXIT -     FLASH  .
		EXIT -      .