question

I don't believe that Victron Connect works on a Windows PC via Bluetooth connection - only if you use a VE. Direct to USB interface.

Try using a smart phone or tablet instead.

From memory, I recall that this is due to some kind of compatibility limitation in Windows that Victron physically cant resolve themselves.

Extract from Victron Connect manual attached below;

thanks,

to repeat with different words. I am using Victron Connect on Windows 10 to MPPT 100/30. I've upgraded mppt firmware to 1.39. I've changed the battery preset and absorption volts. Why can't I change the maximum absorption time?

Extra bit of info - connection is via VE.Direct USB interface. I know of no other way of laptop to mppt regulator.

I realise I can change the max absorption time using Putty and Hex protocol but I expected Victron Connect to work as advertised. If I recall correctly, using Hex protocol the shortest maximum absorption time is 0.01 hours (6 minutes).

Yes it should work then - I assumed that you were using a Victron BT dongle connected to the VE direct port...

Probably a bug? Victron staff may need to chime in.

So how are you trying to change the hours / minutes.
I can do it by clicking right on the number and then drag it up or down until the one I want is highlighted. It's a kind of click and drag gesture. Arrows don't do anything.
Let us know if that works.

thanks, dragging the number with mouse worked,

interesting paradigm!

and it accepted zero hours and zero minutes,