And it would've been very nice to find any documentation on those options.The WAVESURFER 454 is a 500 MHz, 4 channel digital oscilloscope from LeCroy. The scope will reset and come up with default configuration (just channels 1 and 2 on, no other crap). And BTW, if you left out with some leftover trace from DMOD or whatever just reset the scope to default config - it is "Autoset" button first, hold it, press the top menu button, hold those two and then press the bottom menu key and release all three. Invokes by "Custom" button (DMOD and PMT are also invoked by that button). Do not enable JTA - no harm and it works but it is much better to enable JPRO instead that has more functionality. As of options LC684DXL accepts almost everything but I can't see any changes from enabling ATP. Might be a bit late but the sequence is a bit different for LC series (just found it on my LC684DXL): - Press 3rd menu key from the top and hold it - Press 4th menu key and hold it while still holding 3rd one - Press 5th menu key while holding other two - Release all 3 keys I don't know if the DEVP option is absolutely necessary to invoke maintenance menu - didn't try it without it - but it works with DEVP installed and it allows to delete any option key. PS: you can translate 'page' by 'flags' in the message above. if you had several option keys installed, it will be definitely easier to find those in the dump, and derive the position of the page '00' mask. desolder it), make a dump, and find the right DWORD to wipe (or rather 'reset', as some 'basic' options are required in page '00', maybe you've got the original value/mask ?), if you know what option keys it had, you can decode these to have the corresponding mask(s) to look for in the data. My guess is that your best chance is to get that chip (i.e. I don't know where it physically resides in a WP7K, but that's something a few people here could probably answer. While what you're looking for is basically possible (I mean 'technically'), as some of the Lecroy drivers have functions to access that EEPROM, but no documentation whatsoever exists (maybe at Lecroy ?) on the data structure within that chip (nor on the driver function(s) to do so, nor which driver, etc.). I had set the scope to boot into the last state is there any way to boot the scope into a default state? I think if that math trace is turned off, it will work normally but I cannot boot it into a default state I tried talking to it by GPIB but although it is recognized in the Agilent I/O, but I cannot send any command to the scope. However, when I found that the DMOD option had added a Vector demodulation (I and Q demod) package I tried it and as soon as the scope added a math trace with EVM measurement, the scope hanged Now when I turn the scope on, it shows 4 channels traces plus that D math trace which is the EVM measurement from that package and then it hangs. Quote from: analogRF on March 27, 2020, 07:17:53 pm anybody knows where the options keys are stored in WavePro 960 (A.K.A DDA-260)? I am in deep trouble After I enabled some useful options on my Wavepro 7200A and they worked, I felt brave (stupid!) and enabled 3 options on my trusty Wavepro 960 (DDA-260) (DMOD, DFP, and PMT) and the scope was working afterwards. Anybody knows where the options keys are stored in WavePro 960 (A.K.A DDA-260)? I am in deep trouble After I enabled some useful options on my Wavepro 7200A and they worked, I felt brave (stupid!) and enabled 3 options on my trusty Wavepro 960 (DDA-260) (DMOD, DFP, and PMT) and the scope was working afterwards.
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