Panasonic FZ-40 Operating Instructions Manual page 26

Before Turning on the Computer
Refer to the following URL for how to attach options to the Expansion areas and replace the
keyboard. Confirm the part numbers of the optional items before connection.
https://askpc.panasonic.co.jp/manual/option/w/
Expansion Areas
Right Expansion Area Left Expansion Area
Palm Rest Expansion Area Rear Expansion Area
IMPORTANT
l If the above options are not attached, be sure to attach a dummy pack or cover before using.
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