1.Optional specification 20G/0.001 30G/0.001 50G/0.001 2.Starting value: 0.003G Repeatability: 0.002G 3. External dimensions: 144X84.5X51MM 4. LCD display (blue backlight) size: 375X15.5MM 5. Battery: 2X "AAA" 6. Low battery alarm "LO" 7. Scale size: 32MM diameter (with stainless steel weighing disc) I. Function keys and instructions for use 1. ON/OFF (switch on/off key) l Install the 2 AAA batteries in the direction specified in the battery compartment and cover the battery door. Place the scale on a smooth table, keep the level bubble bubble in the centre of the black circle, shutdown state press this key to display "88888" and zero for power on, then load the items in the scale that can be weighed, weighing state press this key for shutdown. If there is wind in the weighing environment, please lower the wind shield to measure. 2. UNIT (Unit conversion key) Press this key to select the different weighing units: G, OZ, GN, CT, T, OZT, in the power-on mode. l Long press the unit conversion key for 4 seconds will light up all units, OZ units will flash, press the tare key PCS can choose to hide or display, press the unit conversion key to shift another unit, (this function is reserved for customers to choose practical units to take.) Exit long press for 4 seconds to return to normal mode, G units can not be hidden. 3. TARE (Tare function) Pressing this key in the power-on weighing mode will force the unit to zero. 4 . PCS (Counting function) After zeroing, count a sample value of 25 or 50,75,100, place it on the scale and weigh it, then press and hold the count key and the LCD will display a default value (e.g. P 25), release the count key, press the unit conversion key to select the value of the sample value just counted (25,50.75,100), then press the count key to confirm, then the LCD will display the number of PCS + sample value (e.g. 50), at this point the scale can be loaded with the items to be counted. II. Calibration function Press and hold the power on button for 4 seconds and then display -0- (zero point), wait 1 second and then display the value of the weight to be calibrated, the maximum weighing capacity of the scale is 30G (flashing 30.000), then load the 30G weight on the scale, stabilise and display PASS, calibration is complete. (This product is delivered with a 20g weight, press the unit counting key to reduce to 20.000, load the 20G weight to display PASS and calibration is complete) When the calibration weight value is flashing, press the unit conversion key to add the value, press the counting key to reduce the value, according to the range of 10G plus or minus you can choose the appropriate weight value needed to calibrate 10G-30G, after switching off the machine to remember the last set calibration value. III. Automatic switch-off time setting Press and hold the ON/OFF key for 4 seconds to display 88888 and do not release until F1-1 is displayed. Press the UNIT unit key to select the values 0-5 corresponding to 0=no switch-off and 1-5 corresponding to 1 to 5 as the automatic switch-off time without any operation. Select the appropriate switch-off time according to your needs to save battery life. When you have finished selecting, press the ON button again to zero the weighing.