Panasonic VDR VDR-D220 Operating Instructions Manual page 77

≥ Use this unit to format SD cards. If an SD card
is formatted on other products (such as a
computer), the time spent for recording may
become longer and you may not be able to use
the SD card.
≥ Depending on the type of SD card being used,
it may take time to format.
≥ During formatting, do not turn this unit off.
≥ When you format the SD card, use a battery
with sufficient battery power or the AC adaptor.
≥ Do not remove the SD card while formatting.
Disc and card management
77
LSQT1146