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《4》
Important Safety Instructions
■ If the controller body gets dirty, turn the power off and wipe the surface with a soft cloth.
- Do not use chemical agents such as alcohol or benzene.
■ For detailed information on upgrading the firmware, please direct your inquiries to the installation vendor.
Maintenance and Repair
This equipment has been tested and found to
comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference when the
equipment is operated in a commercial
environment. This equipment generates, uses,
and can radiate radio frequency energy and, if not
installed and used in accordance with the
instruction manual, may cause harmful
interference to radio communications.
Operation of this equipment in a residential area
is likely to cause harmful interference, in which
case the user will be required to correct the
interference at his own expense.
Refer all work related to the installation of this
appliance to qualified service personnel or
system installers.