After initial power up of console and boot of Vista 1 version 1.13.5295 or earlier the DBO LED remains red and the Grandmaster output does not change in response moving the pot.


All Vista S1 consoles with serial numbers K10321 through K10360 running Jands Vista software versions 1.13.5295 or earlier.


Manufacturer changes to the LPC chip require specific firmware upgrade.

Parts required

The firmware must be upgraded by applying Jands Vista 1.13.5303 patch release or later. These can be downloaded from http://www.jandsvista.com/download/. This applies to all Jands Vista platforms (Windows, MAC and Console).

Procedure to upgrade firmware

  1. Download Jands Vista Patch release 1.13.5303 from http://www.jandsvista.com/download/
  2. Install according to instructions in release notes.
  3. Restart the computer.
  4. Start the Jands Vista Application.