USER-CONFIGURABLE COMPENSATION TO DETECT ERROR INFLUENCES SUCH AS COUPLING BACKLASH, ROTATION ANGLE OR EXTERNAL VIBRATIONS., , THERMAL COMPENSATION TO AVOID DOUBLE ALIGNMENT IN EQUIPMENT OPERATING AT ELEVATED TEMPERATURES., CPU : 1.0 GHZ QUAD CORE ARM CORTEX-A9 PROCESSOR SIMILAR OR BETTER, , MEMORY : 2 GB RAM, 1 GB INTERNAL MEMORY AND 32 GB SD MEMORY CARD., , DISPLAY: PROJECTIVE, CAPACITIVE MULTI-TOUCH DISPLAY TYPE TRANSMISSIVE (SUNLIGHT READABLE), COLOR, BACKLIT TFT GRAPHICS DISPLAY; OPTICALLY COUPLED INDUSTRIAL PROTECTIVE SCREEN AND INTEGRATED LIGHT SENSOR FOR AUTOMATIC SCREEN BRIGHTNESS ADJUSTMENT, , RESOLUTION: 800 X 480 PIXELS, , POWER SUPPLY: RECHARGEABLE LITHIUM-ION BATTERY WITH OPERATING TIME 10 HOURS OF TYPICAL USE, , EXTERNAL INTERFACE: USB PORT USB PORT FOR PC COMMUNICATION AND CHARGING