Directed Electronics G436S 5220XS - Manual (Page 7)

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system maintenance
The system requires no specific maintenance. Your remote
control is powered by a small, lightweight 3 volt lithium battery
that will last approximately one year under normal use. When
the battery weakens, operating range will be reduced and the
LED on the remote will dim.
your warranty
Your warranty registration must be returned and the bar code
serial number must not be removed. If the warranty registration
is not returned, you do not have a warranty. It is also necessary
to keep your proof of purchase, which reflects that the product
was installed by an authorized dealer. Make sure that you receive
the warranty registration from your dealer.
fcc/id notice
This device complies with Part 15 of FCC rules. Operation is
subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) This device must accept any
interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to
operate this device.
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