GB USA IMPORTANT WEIGHING 1. Use in location where there is little vibration. 2. If the change in temperature exceeds 5¡C (10¡F), wait at least 30 minutes before use. 3. Use on a hard flat surface. 4. Keep the cover closed when weighing. 5. Do not dismantle. 6. Clean using mild detergent. Chemicals should not be used. NAMES OF PARTS GB USA Before measuring, we recommend you to carry out a calibration. ( see "CALIBRATING") 1. Press the lock release button to open the cover (Fig.3). 2.