Bosch DS7447 Guide de l'utilisateur Page 53

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Quick Reference Guide
Maintenance and Service
The system should be tested weekly to ensure it is functioning properly. If problems are detected in testing or changes are noticed in normal
operation, call your installing company for service. The manufacturer recommends replacing the system battery every 3 to 5 years.
Monitoring Service Phone No. ______________________________
Monitoring Service System No. ______________________________
Installing Company Phone No. ______________________________
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