Hello gemelli47.
You try this..
Serial flash:
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First What do I need?
1.1. A computer with an RS232 serial COM port
or if not available, a USB to serial adapter
1.2. An RS232 serial cable.(Nullmodem cable)
1.3. The UPload Tool.
http://www.sat-universe.com/showpost.php?p=375108&postcount=12
1.4. Correct COM port settings on the PC and used the upload tool.
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1.5. Firmware that you know work ok on the box.
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Second Flash process.
2.2. Power off the box with switch at the back..
2.3. Insert the null modem serial cable from PC to the box.
2.4. Open Channel Editor v.3.11.
2.4.1. In the Channel Editor, in Options or RS232 select COM port and baud rate set as 115200
2.5. In "UP" you locate and choose Vantage firm(S/W File *.dlp)you have stored on PC earlier, then Open.
2.6. Now as soon as possible, the box with power switch ON.
2.7. The transfer should start.
If "loading" is the serial connection is ok.
It is the normal loading at boot of the box.
2.8. If it works, the display shows "MainSW%% DL" on the PC and you can see the Migrate progress bar to the right.
Just wait and do nothing to box and program until the box reboots.
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And be careful with your serial ports! They are very delicate, short circuit, etc.
When plugging in the null-modem serial cable to vantage box,the power switch must be off!!!