Solution
Turn on the camera, and the battery icon will appear on the left top of the LCD monitor.
If the icon does not appear, press the Down <directional button> ([DISP.]) several times to switch the display on the screen.
The indicators and the status of the remaining battery charge are as follows.
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Good.
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Slightly depleted, but sufficient.
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(Blinking red) Nearly depleted.
If the message [Change the battery pack.] appears on the LCD monitor, the battery charge is low and the camera cannot be operated.
Recharge the battery immediately.