Optimus M130 Installation And Operating Instructions Manual page 30

2.2. Rear panel
1. Input AC power.
This is the AC input where you plug the AC power cable supplied. Connect only to an AC
power source properly. The AC equipment's fuse is T1A/250V.
2. Selector switch of the input current 110V/220V.
With this switch you can select the appropriate voltage for the installation 110/220VCA.
Warning: Select an incorrect AC voltage can damage the equipment.
3. RS-232 setup port.
Through this port you can update the firmware to the latest version. So you can connect to
another controller. (For details, please contact with Optimus).
How to upgrade the firmware of the M130?
Connect to this RS-232 port from a computer's COM port using a DB9 cable.
You will find two files in the update package ("M130.led" and "update.exe"). Click
the file "update.exe".
Next, will show the update process.
When the upgrade process finished, with the bar to 100%, press any key to exit.
4. Audio output port for each zone.
Audio output terminal balanced ( +, -, G). You can connect the terminal directly to an amplifier,
recording device, mixing console or other use required by the installation.
5. Control level of treble output.
Adjust the audio output level to a high frequency range from -12 dB to +12 dB.
6. Control level of bass output.
Adjust the audio output level to a lower frequency range from -12 dB to +12 dB.
M130 Version 1.0
M130
8x8 Audio Matrix
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