OPERATION OF ACCESSORIES
3 - 2
the red LED will turn on for two or three seconds, every
minute, to maintain the full charge.
A completely discharged UltraRAE monitor will be charged to
full capacity within 10 hours.
Figure 3-1 Charging the Battery
The battery will be drained slowly even if the monitor is turned
off. If the monitor has not been charged for 5-7 days, the
battery voltage will be low.
The factory supplied battery is designed to last for 12 hours of
normal operation (no alarm, no back light condition), for a new
battery under the best condition. As the battery becomes older
or is subject to adverse conditions (such as cold ambient
temperature), the battery capacity will be reduced significantly.
Charging
