Yamaha EMX860ST Owner's Manual - Page 9

Control panel 9 s POWER AMP section This section allows you to select the signals that will be output from the built-in three-channel power amplifier, and to select the BRIDGE mode. LIMITER MONI MAIN J LR LIMITER L+R BRIDGE K STEREO POWER AMP s POWER indicator & PHANTOM switch L POWER PHANTOM +48V ON OFF M L POWER indicator This indicator will light when the power of the EMX860ST is turned on. M PHANTOM +48 V switch This switch turns the phantom power supply on/ off for the Lo-Z input jacks of channels 1-6 and MIC input jacks of channels 7-8. J LIMITER indicator This indicator lights up when the level of the signal output from the power amp section reaches the maximum and the limiter is activated. Adjust appropriate control so that the indicator lights up for only a short while when the signal reaches the maximum level. Note: The indicator lights up or flashes for a longer duration if the power amp section is significantly overloaded, which could result in malfunction. Avoid such a situation. K Stereo/Bridge select switch Select a signal route depending on the speakers connected to the SPEAKERS L/R/L+R BRIDGE jacks 2 on the rear panel. • L+R BRIDGE The monaural signal mixed in the L and R channels of the ST bus is output to the SPEAKERS L+R BRIDGE jack. However, the ST bus signal output from MAIN (STEREO) jack is still a stereo signal. A bridge connection is then made between the stereo power amps (200 W+200 W) to use them as a 400 W monaural power amp. • STEREO MAIN bus signals are output from the POWERAMP 1 A/B and POWER AMP 2 A/B jacks. Only the MASTER control H is effective. EMX860ST-Owner's Manual