Products > Test Equipment
EEVBlog 121GW Multimeter Firmware Details
<< < (36/62) > >>
CDaniel:

--- Quote from: Terry01 on December 03, 2018, 01:11:42 am ---I have Keysight U1273A...does that have HY3131?

--- End quote ---

Yes , it should have HY3131 , but I think you can easily take a peek inside to confirm .

ChrisG:
I upgraded the 121GW regularly and now from 1.51 to 1.57 it's done. It stuck for 20 minutes without any progress. So I did need to switch it off (sorry). Wanting to go back to 1.51 is to no avail and it seems bricked now. What should I do? What should I check? The download option is still available though.
GeoffreyF:

--- Quote from: ChrisG on December 03, 2018, 10:51:46 am ---I upgraded the 121GW regularly and now from 1.51 to 1.57 it's done. It stuck for 20 minutes without any progress. So I did need to switch it off (sorry). Wanting to go back to 1.51 is to no avail and it seems bricked now. What should I do? What should I check? The download option is still available though.

--- End quote ---

Did you leave the back off while you did this?
ChrisG:
I tried both options. First it was on and then it was off. The batteries were still very good. However I thought I'd change them for the fun of it. No difference. Until..... I accidentally touched with the cover off with my hand the back of the SD card. I guessed it got wiggled side to side and presto.... (perhaps there is dust in?) On the other hand I've reinserted the card 10 times or more. Perhaps the gold-fingers of the slot are not that great ?
So I managed to do it in the end but this is a weakpoint in the design.
GeoffreyF:
If the cover is not in place then the batteries are not securely in place. If the battery is interrupted for even a moment while loading, that would explain your issue.   Remove the cover and check how well the batteries stay in. You will see what I mean.

I had a close call on that myself once.  Keep the cover on when installing new firmware.
Navigation
Message Index
Next page
Previous page
There was an error while thanking
Thanking...

Go to full version
Powered by SMFPacks Advanced Attachments Uploader Mod