346. Click “Save” to save data into the assigned file name.7. Change new Main board:(1) Unplug power cable and RS232 cable from projector, and change new Main boardinto Projector.(2) After changing Main board, reconnect power cable and RS232 cable into Projector.8. Write S/N & data into new Main board:Press “Retrieve System” and write Data & SN to projector.9. “Load from data” & “Retrieve System” :(1) Click “Load from data” and select load file.(2) Click “Retrieve System” to write the values into main board.6-1. Click “Save” icon.6-2. This window willpop out, and it showsthe file saving folder.6-3. Enter file name here.Suggest to use SerialNum as the file name.6-4. Click “Save” to savedata.9-1. Click “Load FromData” to load data.9-2. Select the filesource9-3. Click “Load” tofinish file load.10. Click “Retrieve System”to write data.