In the unlikely event this ever proves useful to whoever stumbles across
it, it seemed that the solution was to 're-pair' the connection between
the nano USB unit and the headset. For some reason whether it picks up
the pairing fluctuates when you plug it into new machines. The power cut
must have somehow broken it for my Mac Pro.
To re-pair an H600, charge them up and plug in the nano USB you get with
it. hold down the up volume button and the mute button for ten seconds
until the LED flashes rapidly then leave it to pair (takes maybe 20
seconds).
This was mentioned in passing in a very odd YouTube video I came across
by accident. Supposedly there is a utility that lets you interact with
the headphones but it didn't show itself to me an a mac, if it still
exists.
They are great headphones if you do a lot on online meetings, you barely
notice you have them on and despite this oddity I find them more
reliable and better sound than anything else I've tried.
Cheers,
Jason
On 2 Oct 2020, at 13:48, 'Jason Davies' via Sussex Mac User Group wrote:
Hi Smuggers,
I bought a Logitech H600 wireless headset in the endless quest to make
endless online teaching and meetings work better and at first it
worked really well. It has a radio unit that plugs into USB, rather
than bluetooth.
Then today we had a power cut (!) and my Mac pro went down, of course.
On restoring everything, there is ferocious interference on the
headset mic in particular but also the headphones. However, on my
laptop they continue to work perfectly. I've tried different USB
ports, SMC reset, PRAM reset, starting from a clone of the hard drive
and several restarts.
I can't think of anything else to test and am a bit mystified (using
different start-up disks shows it's not OS, and proving different
machines work shows it must be the Mac Pro but 'under the OS'. But
what is there to reset apart from SMC and PRAM here? (I guess I'm
looking at firmware but have no idea how to fiddle with that and am
not sure I should...)
Cheers,
Jason
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