Philips HDRW 720/17 Owner's Manual page 8

Your Philips DVD/HDD recorder mainly consists of the following components:
As soon as you turn on the DVD/HDD recorder, it automatically records the current TV channel selected on the DVD/HDD recorder in this
temporary storage. As a result, you can 'rewind' to a scene ( D ) or watch a still picture ( PAUSE 9 ), while the current TV show is still being
recorded.
Recordings in the time shift buffer are only temporarily available (factory settings: 3 hours).
You can mark recordings in the time shift buffer for storage on the HDD using REC/OTR n .
These recordings will be transferred to the HDD when you switch off the device using STANDBY m or when the time periode of the time shift
buffer ( e.g. 3 hours) expires.
Recordings on the HDD can be selected in a title overview screen (Media Browser) and then copied (archived) on a DVD+RW/+R.
You can use your DVD/HDD recorder as a TV tuner, allowing you the comfort of pausing a running TV show and continue watching it later. You
can make recordings on the HDD without having to turn on the TV set.
You can use this device to play back DVD+R/RWs, DVD-R/RWs, (S)Video CDs(CD-RW/R), Audio CDs(CD-RW/R), MP3 CDs(CD-RW/R) of the
respective standard.