79Important Safety InstructionsUseful InformationFor assistance, please call: 1-800-ADT-ASAPCAUTION:To reduce the risk of fire or injury to persons, read and follow these instructions.1. Use only the battery(ies) specified.2. Do not dispose of the battery(ies) in a fire. They may explode. Check with localwaste management codes for special disposal instructions.3. Do not open or mutilate the battery(ies). Released electrolyte is corrosive andmay cause burns or injury to the eyes or skin. The electrolyte may be toxic ifswallowed.4. Exercise care in handling batteries in order not to short the battery to conductivematerials such as rings, bracelets, and keys. The battery and/or conductor mayoverheat and cause burns.5. Charge the battery(ies) provided with or identified for use with this product only inaccordance with the instructions and limitations specified in this manual.WARNING:TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THISPRODUCT TO RAIN OR ANY TYPE OF MOISTURE.• The AC adaptor is used as the main disconnect device, ensure that the AC outletis located/installed near the unit and is easily accessible.FCC and Other InformationThis equipment complies with Part 68 of the FCC rules and the requirements adoptedby the ACTA. On the bottom of this equipment is a label that contains, among otherinformation, a product identifier in the format US:ACJ-----.If requested, this number must be provided to the telephone company.Registration No. ......................................................... (found on the bottom of the unit)Ringer Equivalence No. (REN) ...............................................................................0.2BA plug and jack used to connect this equipment to the premises wiring and telephonenetwork must comply with the applicable FCC Part 68 rules and requirements adoptedby the ACTA. A compliant telephone cord and modular plug is provided with thisproduct. It is designed to be connected to a compatible modular jack that is alsocompliant.The REN is used to determine the number of devices that may be connected to atelephone line. Excessive RENs on a telephone line may result in the devices notringing in response to an incoming call. In most but not all areas, the sum of RENsshould not exceed five (5.0). To be certain of the number of devices that may beconnected to a line, as determined by the total RENs, contact the local telephonecompany. For products approved after July 23, 2001, the REN for this product is partof the product identifier that has the format US:AAAEQ##TXXXX. The digitsrepresented by ## are the REN without a decimal point (e.g., 03 is a REN of 0.3).If this equipment causes harm to the telephone network, the telephone company willnotify you in advance that temporary discontinuance of service may be required. But ifadvance notice isn’t practical, the telephone company will notify the customer as soonas possible. Also, you will be advised of your right to file a complaint with the FCC ifyou believe it is necessary.