Use and Care Manual
E-6
Notes:
• The SFA275 can work continuously and automatically. If you don’t use the
SFA275 for a long time, please remove the battery (or disconnect the AC
Adapter).
• When using the SFA275, make sure that there is no other ultrasonic source
nearby.
• Use the SFA275 in a dry, clean area. Any motion caused by wind may turn
the unit on.
• Don’t open the SFA275 case to avoid electric shock before turn it off.
• If the car speeds into the garage, the accuracy of the alarm indication will
decrease.
• Do not use the SFA275 if the battery cover or portions of the case removed or
loosened.
• Do not use the SFA275 around explosive gas, vapor or dust.
• Before connect the AC Adapter to the DC input jack of the SFA275, remove
the battery first.
SPECTRA GREEN AND LICENSE
At Spectra, environmental and social
responsibility is a core value of our
business. We are dedicated to continuous
implementation of responsible initiatives
with an aim to conserve and maintain the
environment through responsible recycling.
Please visit us at http://www.spectraintl.com/green.htm for more information
on Spectra’s green initiatives or to find a recycler in your area.
First Alert
TM
is a trademark of the First Alert Trust used under license from BRK
Brands, Inc.