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7. Charging the battery pack
7-1. Battery charge is needed in one of the following
cases
(1) When using the battery pack for the first time, or not using
it for a long time.
(2) When nothing appears on the liquid crystal display at the
time of power-on, or when the display turned off soon
though the remaining battery level had been displayed
once.
(3) When the remaining battery level becomes 1/4 or less.
(4) When the display turned off while each item was
being input.
(5) When operation stopped while printing and the "low battery"
message is displayed.
Содержание DP-2E
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