High Accuracy Two Axis Inclinometer Tilt Angle Meter IP54

ON/OFF: Press for 2seconds to power on or off ;

HOLD: This key to lock the current data, convenient customer records;

ZERO: This button can switch in the absolute and relative measurement mode;(screen display ABS means absolute status, display REL means relative measurement)

HOLD & ZERO: Press HOLD button until the screen appear a small lock sign then press ZERO, can switch in “Angle” and “mm/m” two units of measurement;

ON/OFF&HOLD: Press ON/OFF button until the screen to be black then press the HOLD button , can calibrate the accuracy according to the screen;

ON/OFF&ZERO: Press ON/OFF button until the screen to be black then press the HOLD button , can calibrate the ZERO according to the screen;

RESET HOLE: If the instrument occur a crash in working, key can't operation, can use the needlepoint hard object to insert into the hole for touch the button;

USB JACK: For charging purposes or Angle of external connection, data transmission;

WARNING LIGHT: Charging lights, lights up means is charging, light off mens has been filled with power then can take off the charger .( In order to keep the battery with a long life please don't use it as much as possible when it is charging with power.)