User`s manual

BHT-7
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BB-
C
E
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7
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BWB-
C
E
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7
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BWB
G
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C
E
6.1 Replacing the Battery Cartridge································································126
6.1.1 Battery Cartridge Service Life ······································································126
6.1.2 Battery Cartridge Replacement Method ······················································126
6.2 Replacing the Back-up Battery ·································································129
6.3 Using the BHT after Long Periods ····························································130
6.4 Daily Maintenance ····················································································131
6.4.1 Proper Care of the BHT ···············································································131
6.4.2 Proper Care of the CU/CH ···········································································131
Chapter 6
Maintenance
This chapter describes battery cartridge and daily procedures for taking care of the
BHT and CU/CH.