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DPO3000 Hacks

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analogRF:
So is it possible to enable all options (serial decoding in particular) on DPO4000 series with the information given in this thread?
I can see it has worked for 3000 series and maybe(?) 4000B but not much about DPO4000

Gregory:

--- Quote from: abyrvalg on April 02, 2018, 09:18:23 pm ---Back to the "ARMDEMO" thing: the parameter order was wrong, NumOfDays must be first. Somebody please verify:

--- Code: ---:PASSW INTEKRITY
:ARMDEMO 30,DontMakeTheWookieMad
or:
:ARMDEMO 30,"DontMakeTheWookieMad"

--- End code ---

--- End quote ---

This worked for me on a MDO4034-B scope!

Any ideas how to make it not expire in 30 days?

smaultre:
i'm trying to make DPO4054 to DPO4104
NOT(B) model serial: C020..
Connected via LAN / TEK OPEN CHOICE DT SW.

by sending :PASSWord INTEKRITY;:SETMODELID 3

it shows (in About) dpo4104, b\w 500 -till reboot
After reboot it shows dpo4054, b\w 500

Downgrade SETMODELID 2 -works and stored after reboot.

when try the
:HWAccountant:ACQBandwidth 500 (1000) but ACQ , BANDWidth.. -commands do not applyed at all ..

:HWAccountant(....)  -not work at all

After some research on the web, i found that the 4054 and 4034 series does not upgradeable to 5104 theres no much sampling IC's present.

analogRF:
so, is it definitive that DPO4054 cannot be upgraded to DPO4104? I mean only through software

VooDust:
I upgraded my DPO3012 from 100MHz to 500Mhz. After my initial joy  :scared: I noticed something very odd:



The "zero line" (i.e. measuring ground) is out of alignment - it's always minus half-a-div for vertical divs >= 50mV. So:


* 10mV - OK
* 20mV - OK
* 50mV - minus 1/2 div, AVG is -25mV
* 100mV - minus 1/2 div, AVG is -50mV
* 200mV - minus 1/2 div, AVG is -100mV
* and so on...
I ran some checks and this happens for either 500MHz and 300MHz settings, with 300MHz being off minus 1 div instead. Kind of a deal breaker...

Does anyone have a clue what's going on? It happens regardless of input termination, AC/DC coupling (!), trigger settings, or probe attenuation and bandwith settings. I tried adjusting the "Offset" parameter of the probe, but that just shifts the phosphor line, the wrong voltage values remain.

Luckily I was able to downgrade back to 100MHz and everything is back to normal  :phew:

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