Zen Link factory reset

Last resort. Erases every setting on the Zen Link.

1. Unplug every cable from the Zen Link.
2. Face the back of the Zen Link towards you.
3. Push a needle into the small hole on the back.
4. Keep the needle in and plug the cables back in.
5. Wait 3 seconds, then pull the needle out.
6. On a V1, run the ZenLinkConfigurator again, as in zen-link-update.
7. Set it up again in zen-link-setup.