Samsung DVDR120 DVD Recorder "l1 l2 wiring plug" Questions

L1 or L2 in on dvd recorder (note on the recorder you must switch the channel from ch3 to either L1 or L2 to record from the player)....... now place the dvd you want to record in player & a blank

L1", which is the input for recording using the rear S-Video input. If I was recording using the front analog cables it would be "L2", the front Firewire input, "DV". The input select can typically be