The low frequency distortion was because the coupling was somehow stuck in AC mode.
I switched it to DC to no avail.
OK after switching several times.
1Vpp sine wave:
Good up to ~32.5Mhz with 1 channel
750mVpp at 40Mhz and 340mVpp at 50Mhz.
good up to ~18Mhz with two channels
756mVpp at 35Mhz and 370mVpp at 50Mhz
The single trigger only works with 2uS and above, not with a faster time base.
Fnirsi also confirmed this...
when you pause it and set it to a faster time base, the wave does not change on the display, you cannot pull the wave apart. Fnirsi has not yet given an answer to this.
I played with it a bit, but I couldn't find the 64K memory, compared to the HDS272s, which only has 8k...
It can be similar to 1013d and 1014d.
The part of the multimeter is semi-usable, I did not find a "relative" function in it, not for any measurement.
Similar in accuracy to Owon DMMs.
I like the trend graph. It lasts 1 minute and 25 seconds.
Its signal generator can be used, but at higher frequencies it mixes in a little DC offset.
There are still many problems with this, I hope Fnrisi will not approach it like the previous one, releasing two updates and then trashing it.
However, some of the controls are very annoying.