Adding a Ricol DS1000E scope via usbtmc causes crash

[rosvall]

ngscopeclient window hangs and then disappears when i try to add a Rigol DS1102E as a scope connected via usbtmc.

I get the following on stderr:

Warning: Unknown trigger source CH1
ERROR: RigolOscilloscope::GetSampleRatesNonInterleaved not implemented for this model
ERROR: RigolOscilloscope::GetSampleDepthsNonInterleaved not implemented for this model
ERROR: RigolOscilloscope::GetInterleaveConflicts not implemented for this model
ERROR: RigolOscilloscope::GetSampleRatesNonInterleaved not implemented for this model
ERROR: RigolOscilloscope::GetSampleDepthsNonInterleaved not implemented for this model
ERROR: RigolOscilloscope::GetInterleaveConflicts not implemented for this model
ERROR: RigolOscilloscope::GetSampleRatesNonInterleaved not implemented for this model
ERROR: RigolOscilloscope::GetSampleDepthsNonInterleaved not implemented for this model
ERROR: RigolOscilloscope::GetInterleaveConflicts not implemented for this model
failed to fast clear for unhandled component type in format 1893769920

Version: ngscopeclient-v0.1 debian 13 binary release.