[LAU] Roland A500S: snd-usb-audio error -5

[david]

On 01/28/2017 12:39 AM, Francesco Ariis wrote:
> On Sat, Jan 28, 2017 at 09:45:27AM +0100, Francesco Ariis wrote:
>> Hello linux-audio users,
>>
>>     I recently acquired a roland a-500s midi keyboard and I have problems
>> using it under linux. [...]
>
> I found the solution. Apparently every Roland series 500 keyboard has
> an ADVANCED MODE switch. Turning it off solved the problem.
>
> The switch is on the left side of the keyboard, I suspect this 'trick'
> holds true for many A-xyz Roland keyboard.
>
> I'll add a few more words to make this pop up on search engines:
> my Roland a-500 (a-500s, a-800pro) keyboard was not recognised, but I
> solved the problem.

That's interesting. I wonder of their "Advanced" term is just a synonym 
for "Proprietary"?

-- 
David W. Jones
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