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Philips Lifeline 6900/6800/AT Series User’s Manual
44 Regulatory Compliance
Caution: If the above diagram is not used, this equipment cannot
report an alarm when other equipment (telephone, answering
system, computer modem, etc.) connected to the same phone line
is in use.
Patent Information
One or more of the following U.S. Patents may apply to this
product: D277,465; 4,524,243; 4,760,593; 4,622,544; 4,908,602;
4,884,059; D313,363; D313,362; 4,064,368; 3,989,900; 5,091,930;
5,128,979. One or more of the following Canadian Patents may
apply to this product: 1,274,930; 1,256,613.
NOTICE TO THE USER:
Any changes or modifications not expressly approved by Philips
Lifeline for compliance could void your authority to operate the
equipment.