3.2 Display elements
3.2.1 B-TIMER display and operating elements
Fig. 8 Display and operating elements
1 Display of due maintenance 5 Input key
2 Display of low battery status 6 Display of cartridge saturation
3 Display of operating hours or car-
tridge number
7 Display of due maintenance type or
the setup menu
4 Selection key
3 | Product description OPERATING MANUAL
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