DSC SL-40 Manuel d'instruction - Page 12
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MAINTENANCE
With normal use, your system requires a minimum of maintenance. The following points should be observed:
1 Do not wash the keypad with a wet cloth, and do not use household cleaners, such as glass cleaners,
on the keypad. Light dusting with a cloth slightly dampened with plain water should remove normal
accumulations of dust.
2 The Bell Test is designed to test the condition of the back-up battery installed with your system. Even
with frequent testing, it is recommended that the back-up battery be replaced every three years.
Contact your installing company for information on replacing the battery.
3 For other system devices such as passive infrared, ultrasonic or microwave motion detectors,
glassbreak detectors and other detection devices, consult the manufacturer's literature for testing,
cleaning and maintenance instructions.
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