Rigol 1052E Bug Report, Firmware 2.04

[saturation]

Could use confirmation, fixes and checking if the following are still present in the more recent firmware versions:

USB flash drive

If you save more than 10 files to external USB flash drive, thereafter at some point you'll get a file error.  You may be able to still save files, but some of the files will be corrupted.

Is there a safe way to remove the USB flash drive other than powering off the Rigol?  Whether Rigol's functions are turned off or on, and the USB drive is not being accessed, removing the USB flash drive with the Rigol powered on crashes the Rigol.  Its ok to insert it, but not remove it.

FFT
After over 1 hour of use, or after the file error with the USB flash drive, new harmonics appear in the FFT spectra.  If you shut off the Rigol or reset to factory defaults, these harmonics disappear, and the distribution is what is expected, say with testing with a square wave.

[torch]

I have saved 12 each of waveform, setups, bit map and csv to a USB memory stick with no problems noted whatsoever. When I unplug the USB stick, the unit displays "USB device removed" and continues to function normally. I can repeatedly insert and remove the USB stick without powering anything down.

I can confirm the measurement bug noted in the other thread though. I suspect it is merely an artifact -- the memory space was not cleared. The automatic voltage measurement seems to record when running, not when stopped.

Edit: I am using 02.04 SP1 and the scope is modded to a DS1152E-EDU

[Mechatrommer]

ver 02.02 dont have the usb remove crash. never try the 10+ files though.