Sony BRAVIA BZ40J 100" Class 4K UHD HDR Commercial Monitor - Manual (Page 295)

Help Guide
Digital 4K Video Camera Recorder
FDR-AX43/AX43A/AX45/AX45A/AX60
The battery pack is quickly discharged.
The ambient temperature is too high or low. This is normal.
The battery pack has not been charged enough. Fully charge the battery again. If the problem persists, replace the
battery pack with a new one.
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