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Siglent SDS1104X-E on Amazon US for $399 ($100 off) 28 Oct 2022
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river:
then I probably  will not unlock/ enhance it at all until  after the warranty expires.
How long is the warranty on  Siglent?  I think some of comments in Amazon say 3 years.

Do they reimburse you for shipping it to them for reimbursement or do email / phone troubleshooting and send you the parts to self-repair if needed?

thanks
mwb1100:
I followed this set of instructions to use the python keygen script:

  - https://www.eevblog.com/forum/testgear/unlocking-siglent-sds1104x-e-step-by-step/msg4066828/#msg4066828

A few suggestions:

  - use a LAN or WiFi connection to be able to use the web console to enter SCPI commands to activate the keys - it's much less error prone than using the U O on the scope itself.  Besides, the only way to activate the 200M Bandwidth key is using SCPI anyway.  You can use the WIFI 30 times before you have to activate the license.

  - the script will generate a couple dozen keys for various options, but as far as I know the only ones that apply to the SDS1104X-E are 200M, AWG, WIFI, and MSO.  you might want to also note the 100M key in case you ever want to "revert" the scope for some reason.

  - unless your scope will be set up permanently on your bench with the LAN connected, do yourself a favor and order the TP-Link TL-WN725N WiFi adapter from Amazon for $10.  It works great.

Siglent provides a 3 year warranty

As far as the legality goes, I'm pretty sure it's not illegal and you can easily revert the 200M bandwidth key.  The other 3 keys won't void a warranty - they are supported features.
river:
thank you so much.

I read something about  noisy fan, if I upgrade the fan would that void the warranty?
I assume there are post in here somewhere with recommendations for other fans ( but I will skip that until 3 years if it means void warranty though)   I'm assuming there are some Stickers on the unit that if cut then void warranty.

Says it includes these items: SDS1104X-E, Quick Start, Calibration Certificate, 4 passive probes, USB cable
I am buying the   TP-link  TL-WN725N  also for $10.  is there anything else I should get ?
mwb1100:
INAL, but my understanding is that in the US the Magnuson-Moss Warranty Act makes it so manufacturers can't refuse warranty service due to a "warranty void if broken"  sticker (see section 102(c)).  There are two caveats:

  - if the part that is defective was made so by someone other than the manufacturer, they don't have to honor the warranty for that part

  - Magnuson-Moss only applies to consumer goods.  There's a thread somewhere on eevblog where Keysight is apparently trying to nullify warranties because they claim their products aren't "consumer goods".  I'm pretty sure that wouldn't hold up for something sold mass market on Amazon or without condition on the manufacturer's website.  But if the dispute got to that point, I'm pretty sure the trouble and hassle of pursuing it wouldn't be worth the $400 you spent.

So if you replaced the fan they'd still have to honor the warranty, but not for something that broke when or due to installing the fan (such as the fan caused the unit to overheat to the point of damage).

All that said, the fan is definitely audible but I personally don't find it annoying or distracting.  Of course, that's a very subjective determination.
mwb1100:

--- Quote from: river on October 31, 2022, 10:55:58 pm ---is there anything else I should get ?

--- End quote ---

Coffee.  I've been up late messing around with this thing since I got it!
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