This Allen & Heath GLD-80 Digital Audio Mixing Surface comes with firmware 1.62 Rev 68207. It has a Surface Board Driver of 1.1, a DSP Board Driver of 1.3, and a Motor Fader Driver of 1.1. The help set is v1.60 and the operating system is v3.01. It includes a correct power supply. However, there are known issues: Fader 3 doesn't return to the correct value when flipping fader banks, and the scribble strips have some burn-in.

To use this Allen & Heath GLD - 80 Digital Audio Mixing Surface, first make sure to connect it to the correct power supply included. When you're working with the faders, be aware that Fader 3 may not return to the right value when you switch fader banks. As for the scribble strips, due to the burn - in issue, try not to display static information for too long. For maintenance, keep the surface clean and dust - free. Regularly check the firmware and drivers, and update them if there are new versions available. This will help keep your mixing surface in good working condition.