The BSS BLU-3 is an amazing wall - mounted panel controller. It's a cost - effective solution that offers a familiar control interface. Designers can use it to easily provide level control, source selection, or preset recall. This controller connects to the control ports at the rear of any BLU - 16, BLU - 32, or BLU - 80 device. It features a rotary fader and a five - way switch. The five - way switch can select system presets, like those for different times of the day, while the rotary control can be set as a zone volume control. Both units have blank areas on the switches. You can mark the switch functions directly on the white area or use self - adhesive labels. Connector details: Screw Terminals x 3 for GND connection (to Control Ports COMMON pin), SOURCE / PRESET SELECT connection, and LEVEL connection. The BLU - 3 comes in blue color, and it has dimensions of 3.35' x 3.35' (85mm x 85mm).

Using the BSS BLU - 3 is easy. First, connect it to the control ports on the back of a BLU - 16, BLU - 32, or BLU - 80 device. For source or preset selection, use the five - way switch. You can choose different presets for different times of the day. To control the volume of a zone, turn the rotary fader. When it comes to marking the switch functions, you can either write directly on the white area or use self - adhesive labels. Remember, always make sure the connections are secure. If you notice any loose connections, tighten the screw terminals. For maintenance, keep the device clean. Wipe it gently with a dry cloth. Avoid exposing it to extreme temperatures or moisture. This will help keep your BSS BLU - 3 working well for a long time.