Communications Expandable Amplified Handset Installation Guide & User Manual A50E
utility commission, public service commission or corporation for information. 
j) NOTICE: If your home has specially wired alarm equipment connected to the tele-
phone line, ensure the installation of the ClearSounds A50 does not disable your 
alarm equipment. If you have questions about what will disable alarm equipment, 
consult your telephone company or a qualified installer. 
k) This equipment is hearing aid compatible. 
WARNING: Changes or modifications to this unit not expressly approved by the 
party responsible for compliance could void the user's authority to operate the 
equipment. 
NOTE: This equipment has been tested and found to comply with the limits for a Class B 
digital device, pursuant to part 15 of the FCC Rules. These Limits are designed to provide 
reasonable protection against harmful interference in a residential installation. This equip-
ment generates, uses, and can radiate radio frequency energy and, If not installed and 
used in accordance with the instructions, may cause harmful interference to radio com-
munications. However, there is no guarantee that interference will not occur in a particular 
installation. If this equipment does cause harmful interference to radio or television recep-
tion, which can be determined by turning the equipment off and on, the user is encouraged 
to try to correct the interference by one or more of the following measures. 
Reorient or relocate the receiving antenna. 
Increase the separation between the equipment and receiver. 
Connect the equipment into an outlet on a circuit different from that to which 
the receiver is connected. 
Consult the dealer or an experienced radio TV technician for help. 
This product meets the applicable Industry Canada technical specifications. 
The Ringer Equivalence Number is an indication of the maximum number of terminals 
allowed to be connected to a telephone interface. The termination on an interface may 
consist of any combination of devices subject only to the requirements that the sum of the 
Ringer Equivalence Number of all the devices does not exceed five. 
Should you experience trouble with this equipment, please contact: The Canadian Service 
Center is Hall Telecommunications, 5477 R.R. #5, Hwy #6 North Guelph, Ontario, Canada 
N1H 6J2. Tel no: 519-822-5420 Fax No: 519-822-5462. The US Service Center is Clear-
Sounds Communications - 8160 S Madison St - Burr Ridge, IL 60527-5854 USA Tel No: 
800-965-9043 V or 800-814-5359 TTY Fax No: 888-654-9219 e-mail: info@clearsounds. 
com Contact Name: Customer Service for repair or warranty information. If the equipment 
is causing harm to the telephone network, the telephone company may request that you 
disconnect the equipment until the problem is resolved. 
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