1. Download the loader and software file. Decompress them in a folder you can locate.

2. Connect the serial cable (null modem cable) between your PC(Use port setting in toolbar to set your comm port) and the Receiver.

3. Turn off the set top box.

4. Double click the download program(DWSU_v1.xx.exe).
Then you will see the "download window" message pops up.

5. Click the "Select File" button and select the software file to be downloaded.
(app_down_modelname_vx.xx_yymm dd.bin).

6. Turn on the Receiver. - When the progressive bar in the download window appears, the Download is in progress. It will display "DnLd" and then "Upgd". - Upon completion, the "S/W successfully upgraded. This program will be closed." message will appear. Then, the program will close.

7. Turn OFF and Turn ON the Receiver.

8. The Receiver is now ready for use.

*** If any error occurs, Restart from the step 3.