LG Network Attached Storage with built-in Blu-ray Rewriter N4B1 - Manual (Page 36)

. LCD panel and front button usage

Tray open / close (DISC OPEN button)
Pressing the “DISC OPEN” button at the front will open the drive and draw out the tray,
where the disc can be placed, and pressing the button again will push the tray in.
Similarly the tray can be pushed in by hand.
Action set up (MODE button)
By pressing the “MODE” button at the front of the LG NAS, many functions become
available for use.
Use the “MODE” button as follows.
There are 4 steps in the Action set up mode: [IP Setup] - [ODD Backup] - [ODD
Backup] - [ODD Burn] - [USB Backup]. Pushing the “MODE” button allows the user
to go to the next page. Using the “SET” button the user can access each of any of the
functions.