DSC PC51O 사용 설명서 - 페이지 12
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DSC PC51O에 대해서도 마찬가지입니다: 설치 매뉴얼 (20 페이지)
페이지 인쇄MAINTENANCE
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 For other system devices such as passive infrared, ultrasonic or microwave motion detectors,
glassbreak detectors and so on, consult the manufacturer's literature for testing, cleaning and
maintenance instructions.
3 It is recommended that the back-up battery be replaced every three years. Contact your installing
company for information on replacing the battery.
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