The update to allow remote playback on the 4500 series recorders is now live.
This update installs as a standard firmware update as described in the manual. Each file comes as is, just place on the USB memory stick and proceed with the instructions.
4 Channel version
8 Channel version
NB: North American customers may find that the timezone is set incorrectly after this update. Make sure you progress through the wizard carefully and make the necessary adjustments.