. To store the battery for a long period of time, we recommend you charge it once every year and store it again after you have completely used up the charged capacity. . Dust and other matter attached to the battery terminals should be removed. Prepare spare batteries when going out for recording. . Prepare batteries enough to last for 3 to 4 times the period you are planning to record for. Cold places such as a ski resort can shorten recording time. If you drop the battery accidentally, check to see if the terminals are damaged. . Attaching a battery with damaged terminals can damage the unit or AC adaptor. Do not throw an old battery into fire. . Heating a battery or throwing it into a fire may result in an explosion. If the operating time is very short even after the battery has been recharged, the battery has worn out. Please purchase a new battery. About the AC adaptor . If the temperature of the battery is extremely high or extremely low, charging may take time or the battery may not be charged. . If the charging lamp keeps flashing, make sure that the terminals of the battery or the AC adaptor are not exposed to dirt, foreign objects or dust, then reconnect them properly. Disconnect the AC cable from the AC outlet when you remove dirt, foreign objects or dust on the terminals of the battery or the AC adaptor. If the charging lamp is still flashing, the temperature of the battery may be extremely high or extremely low or something may be wrong with the battery or AC adaptor. Contact consumer support. (l170, 171, 172) . If you use the AC adaptor near a radio, radio reception may be disturbed. Keep the AC adaptor 1 m (3.3 feet) or more away from the radio. . When using the AC adaptor, it may generate whirring sounds. However, this is normal. . After use, be sure to disconnect the AC adaptor. (If it is left connected, a minute amount of current is consumed.) . Always keep the electrodes of the AC adaptor and battery clean. About the 3D Conversion Lens . Image may be affected when the surface of the protective glass is contaminated by water, oil, fingerprints, etc. Wipe the surface of the protective glass gently with a dry soft cloth before and after the recording. . Remove the 3D Conversion Lens from the unit and place it in the lens storage bag when carrying. . Do not hold the 3D Conversion Lens when the 3D Conversion Lens is attached to the unit. . Do not use or store the 3D Conversion Lens in the following places since it may cause a failure or malfunction. jIn direct sunlight or at the beach in summer, etc. jAreas with high temperature and/or humidity, or where there is rapid change in temperature and/or humidity jAreas with a lot of sand and dust jAreas close to fire jClose to air-conditioners and/or humidifiers jAreas where it may get wet jAreas with vibration jinside a car . When the 3D Conversion Lens has not been used for a long period of time, check to see if there is any looseness in the attachment of the 3D Conversion Lens and adjust the attachment position before use. . When not in use, put the lens caps on, place it inside the lens storing bag, and store in a place with low humidity. . When requesting a repair of the 3D Conversion Lens, request a repair of the unit as well, as the cause of the problem may be in the unit. VQT3B18 About 3D About 3D recording Attach the 3D Conversion Lens securely. It must not be used with an insecure attachment. Do not use the 3D Conversion Lens without adjusting it first. . It will not be possible to record 3D video correctly, and this may lead to tiredness or discomfort. . When you re-attach the 3D Conversion Lens after removing it, we recommend making the adjustments again. With the 3D Conversion Lens attached, do not record a subject at less than the minimum focus distance. . The 3D effects may be more pronounced, and therefore cause tiredness or discomfort. . The minimum focus distance is approx. 1.2 m (3.9 feet). When recording with the 3D Conversion Lens attached, be careful not to shake the unit. . Tiredness or discomfort may result if the shake is pronounced, due to riding in a vehicle or walking etc. . When moving the unit as you record, move it slowly. . We recommend using a tripod. About 3D viewing Anyone who is hyper sensitive to light, suffers from heart disease or is otherwise unwell should avoid viewing 3D video. . Doing may have an adverse affect on such medical conditions. If you feel tired, uncomfortable or otherwise strange when viewing 3D video, stop viewing at once. . Continuing to view may cause illness. . Please rest appropriately after stopping the viewing. VQT3B18 When viewing 3D video, we recommend taking a break every 30 to 60 minutes. . Viewing for extended periods may cause eye-fatigue. Short-sighted or far-sighted persons, those with differences in the sight of their right and left eyes, and those with astigmatism are advised to correct their vision by wearing glasses etc. Stop viewing if you can clearly see a double image while...