Panasonic Arbitrator-CP Reference Manual page 14

(4) Playback the recorded video (Archive Mode)
(a) Press "Live/Archive" button of Control Panel to playback the video.
(Playback starts from the location where playback was last made. Or if the recording was started or stopped
prior to pressing "Live/Archive" button, playback starts from the beginning of the file.)
Or
(b) Press "Menu" of Control Panel and go to "Archive".
(b)
(a)
[Live mode]
[Archive mode]