244.Upgrading System and Changingthe Region CodeMTK upgrade:1. Name upgrade file as "MTK.BIN"(must be in big caps)2. Record it in a CD-R/W (It can be enclosed a sub-directory which size is about 30M, and the file content can be letter or nonused file.)disc Format: (advise to use the tool NERO burning ROM)Disc volume: MEDIATEK, ISO9660 LEVEL1, MODE1,not JOILET.3. Put the recorded disc into the DVD player, on the TV will show "upgrade?" after loading. Press PLAY button, the player willautomatically upgrade.4. Do not shut down the player during upgrade, it will restart automatically after upgrade.5. Upgrade finish!How to change the region code:1. Power on the machine, and press OPEN button to push the tray out.2. Press SETUP button to enter the SETUP menu, and go to the PREFERENCE item by pressing left button, then press 5buttons in turn: 4,9,5,4,03. A edit box will be displayed, you can change the region code to 1-6 with UP/DOWN button, the num 0 means REGIONFREE. And then press SETUP button to exit (FOR 1379)4. A item named VERSION will be displayed, get into the page, you can change the region code to 1-6 with UP/DOWNbutton, the num 0 means REGION FREE. And then press SETUP button to exit (for 1369)