The Yamaha AN1x Synthesizer mailing list

--- In AN1x-list@y..., "Chada, Jaish" <jaish.chada@r...> wrote:
> Hi!
> I was wondering if anyone knew how to find out the ROM version on a
> particular AN1x?
> 
> Thanks.
> -Jaish

During the power up sequencer, hold down the '0', '-', and '+' keys. 
This key sequence displays the OS version of your AN1x and places the 
unit in test mode. 

Jon