Coda Multichannel A/V Amplifier V12 - Manual (Page 6)

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II. Front Panel Control Functions and Indicators
1. The BIAS button turns on the bias and opens shunting relays that mute the input.
2. The INPUT SELECTOR button switches between the balanced and unbalanced inputs.
3. These LEDs when lit, indicate that the bias is activated in the AMPLIFIER v12.
4. This two color LED indicates that the main power is on. When it is green the balanced
inputs are in use. When it is yellow the unbalanced inputs are in use.
Note : If a power interruption occurs to the system the AMPLIFIER v12 defaults to bias off.
DETAILED INSTALLATION 5