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changing batteries
A worn out battery should be removed immediately and
disposed of according to local regulations.
When the battery power is low, the visual indicator (LED)
blinks rapidly and continuously (if enabled), and the user
will hear 2 beeps (if enabled).
This pre-warning starts when the battery has only a few
hours of operation left. The 2 beeps will be repeated in
moderate intervals to indicate it is time to change the
battery.
If the battery runs out the instrument turns off. When that
happens, 4 beeps are played and the visual indicator (LED)
will turn off (if enabled) to indicate that the instrument is
no longer operating.
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