Product Manual

Battery Operation
20
Low Battery Indicator
The Low Battery Indicator lights and a low priority alarm begins to
sound when 15 minutes but not more than 20 minutes of monitoring
time re
main on the existing battery charge. This alarm cannot be
silenced while running on battery power. Connecting the N-560 to
AC power will silence the alarm. If the N-560 is not connected to AC
power within approximately 15 minutes, the N-560 will shut off.
Note: As the battery is used and recharged over a period of time, the
amount of time between the onset of the low battery alarm
and the N-560 shutof
f may become shorter.
It is recommended that qualified serv
ice personnel replace the
internal battery every 24 months.
CAUTION: If the N-560 is to be stored for 3 months or longer,
notify service personnel to remove the battery from the N-560
prior to storage. Recharge the battery when it has not been
charged for 3 or more months.
The
Low Battery Indicator flashes and a high priority alarm begins to
sound when the battery reaches the lowest battery voltage at which
an N-560 can support n
ormal operation. This alarm cannot be
silenced while running on battery power. If the N-560 is not
connected to AC power, the N-560 will shut off after 10 seconds.