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Siglent SPD3303X-E Hi-Resolution Output Unlock?
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Jack24044:
I figured the problem and upgraded the SPD3303X-E V6.2 hardware to SPD3303X (with lower firmware), like some did before, but for me it failed at first.
Before, I downloade EasyPower modified it and downloaded "SPD3303X_V1.01.01.03.10_Convert_from_X-E.ADS" from this thread.
Then the update failed. I just followed the instructions but missed the prepared zip file at the bottom of
https://www.eevblog.com/forum/testgear/siglent-spd3303x-e-hi-resolution-output-unlock/msg5347535/#msg5347535
"Siglent SPD3303X Unlock.zip (4987.94 kB - downloaded 12 times.)"

Once I found the zip file of TERRA Operative, I compared the binaries of EasyPower files, and the firmware files, using HxD.
The EasyPower files matched, so the patching was done right.
However, the firware file "SPD3303X_V1.01.01.03.10_Convert_from_X-E.ADS" downloaded from this thread differs from "SPD3303X_V1.01.01.03.10.ADS" found in the zip file.
The file "SPD3303X_V1.01.01.03.10_Convert_from_X-E.ADS" is not correct for HW V6.2 and should not be used.

After selecting the "SPD3303X_V1.01.01.03.10.ADS" firmware file in the zip file all went smooth.
The calibration is still very acurate, no recalibration was needed.

Many thamks to TERRA Operative!
IDontKnow:
Hi,

just to confirm: the procedure outlined in .zip file by Terra Operative worked flawlessly to convert my SDP3033x-e to behave like a SPD3033X.
HW Version 6.2.

Thanks a lot!

Gerd.
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