B a t t e r y O p e r a t i o n
WARNING: Dispose of battery in accordance with
local ordinances and regulations.
Battery Power
The NPB-40 has internal batteries used to power the
NPB-40. A new set of batteries will provide at least 15
hours of operation.
Low Battery Indicator
The Low Battery indicator displays and flashes, and a
low priority alarm begins to sound when approximately
15 minutes of operation is available. The batteries should
be replaced. See Battery Installation on page 33.
NPB-40
31