292DVQP1223OthersMessage displaysThe following explains the meaning of major messages displayed on the screen, and howto respond to them.■ Memory cards[Memory Card Error] [Format this card?]• Save needed data on a computer or other device, and then use [Format] on the camera. (→28)• Try with a different card.[Read Error] / [Write Error] [Please check the card]• Check whether card has been inserted correctly (→26).• Turn off the camera and remove the card. Reinsert the card and turn the camera on again.• Try with a different card.[Motion recording was cancelled due to the limitation of the writing speed of the card]• The speed class of a required card varies depending on [Rec Format] and [Rec Quality] of a motionpicture. 4K photo recording requires a card that meets a particular speed class rating. Use a cardthat meets the rating. Be sure to use a card of the recommended speed class. For details, refer to“About motion picture/4K photo recording and speed class ratings” (→27).• If recording stops even when using a card of the recommended speed class (→27), the data writingspeed has dropped. If this happens, we recommend backing up the data on the memory card andformatting it (→28). Depending on the type of the card, recording may stop in the middle.[Memory Card Error] [This memory card cannot be used]• Use a compatible card. (→27)■ Battery[This battery cannot be used]• Use a genuine Panasonic battery. Consult the dealer or your nearest Service Center if display stillremains.• Wipe any dirt away from the battery terminal.