ADDRESS switch #6 in the Master position (up), and the other unit in the Slave position (down).
In this way, you can have one Remote control operate both amplifiers that are assigned to the same zone.
Note: The microprocessor polls the AMP ADDRESS switch when it initializes at power-up. If a change is made to the AMP ADDRESS switch, turn the SP1200 off for five seconds, then turn it back on again for the new settings to take effect.
Using the SPLinker Sound Palette Controller
The RS485 connection can also be used to connect the SP1200 to a computer loaded with the SPLinker software application. The PC-compatible computer must have an RS485 port to properly connect to the SP1200. It may be necessary to install an RS485 interface card, or use an RS232 port with an RS232-to-RS485 converter.
The SPLinker is a PC-based graphical interface to provide real-time monitoring and control (for up to 32 zones when used with SP2400s). It provides individual program source selection and volume control for each zone. Select boxes are located at the bottom of each zone for selecting multiple zones. All selected zones can then be modified at the same time in the Multiple settings box located on the right-hand side of the screen.
Using a 3rd Party Control System
The RS485 connection can also be used to interface with common third-party control systems. Contact the third-party provider or Mackie Industrial Technical Support to determine if your control system is compatible with the SP1200.
Upgrading the Software
From time to time, Mackie Industrial will release upgrades for the internal operating software in the SP1200. This can be downloaded from our website (www.mackieindustrial.com) to a PC-compatible computer. Use the serial port on the computer to connect to internal connector on the SP1200's CPU board to transfer the data to the on-board flash memory. Instructions will be provided when upgrades are available.