LED's
There are two LED indicators, one on either side of the DRC-Bus connectors.
The green LED indicates that the SM2 is listning to data traffic on the
DRC-Bus. The red LED will light up when the SM2 responds to DRC-Bus traffic.
Both LED's are usually off unless telemetry is being polled from the SM2, or
when the SM2 Application is being used to read or program the SM2.
2-Channel Standard Mixer SM2
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