Memory back-up batteries, Outer row, Inner row – Panasonic RX-DT650 User Manual
Page 5: Aaoi
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Battery removal
Memory back-up batteries
Remove as shown in the figure below.
Outer row
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Inner row
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In the event of a power failure, or if the AC power cord is disconnected
from the household AC power outlet (during AC operation), or should
the batteries fail, the memory back-up batteries will preserve the preset
memory of this unit.
Please read “Use of batteries” on page 7.
Battery installation
Insert four R6/LR6 (UM-3 or equivalent, not included) batteries into
the battery compartment, making sure that the batteries are installed
in the designated numerical order that the proper polarities are
maintained.
Battery removal
Press the © side of the battery No. 4.
Battery life
The life of the memory back-up batteries is about one year.
• The life of the memory back-up batteries can be prolonged by
keeping the
AC
power cord plugged in the household power outlet
at all times.
• When disconnecting the AC power cord, switch off the power first
using the power button.
• The life of the memory back-up batteries is reduced if the AC
power cord is disconnected from a household AC outlet with the
power still supplied.
• While exchanging the memory back-up batteries, be sure to
connect the AC power cord both to the unit and to the household
AC outlet.