Sennheiser EK 1039 Instructions for Use - Page 4

Important safety instructions Safety instructions for NiMH rechargeable batteries If abused or misused, rechargeable batteries may leak. In extreme cases, they may even present • a heat hazard, • a fire hazard, • an explosion hazard, • a smoke or gas hazard. Sennheiser does not accept any liability for damage arising from abuse or misuse. Keep away from children. Observe correct polarity. Only use rechargeable batteries recommended by Sennheiser. Do not short-circuit. Do not expose to moisture. Switch rechargeable batterypowered products off after use. Do not pack charged batteries loose - danger of shorting out/fire hazard. Only charge rechargeable batteries at ambient temperatures between 10°C/50°F and 40°C/104°F. Do not mutilate or dismantle. When not using rechargeable batteries for extended periods of time, charge them regularly (about every three months). Do not heat above 70°C/158°F, e.g. do not expose to sunlight or throw into a fire. Do not continue to use defective rechargeable batteries. Immediately remove rechargeable batteries from an obviously defective product. Dispose of rechargeable batteries at special collection points or return them to your specialist dealer. Store the product in a cool and dry place at room temperature (approx. 20°C/68°F). Only charge rechargeable batteries with a charger recommended by Sennheiser. Remove the rechargeable batteries if the product will not be used for extended periods of time. Intended use Intended use includes: • using the products for professional purposes, • having read and understood this instruction manual, especially the chapter "Important safety instructions" on page 2, • using the products within the operating conditions and limitations described in this instruction manual. "Improper use" means using the products other than as described in this instruction manual, or under operating conditions which differ from those described herein. Tourguide 1039 | 3