Yamaha EMX68S Owner's Manual - Page 15

Control panel 13 s POWER AMP section Here you can select the operating mode of the power amp. You can also check the operation of the limiter circuit. M N s YAMAHA SPEAKER PROCESSING O ON/OFF switch This switch enables you to compensate the low range of the speakers. The low range balance when this switch is on varies depending on the speakers. First, check the low range balance by auditioning the resultant sound, then set this switch to on or off. O M 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. N Power amp select switch Select one of the following settings to specify the signals to be routed to the corresponding jacks according to the speaker connection at the SPEAKERS jacks 1 on the rear panel. • MAIN L-R The stereo (MAIN L, R) bus signals are output from the SPEAKERS A 1, 2 jacks and the SPEAKERS B 1, 2 jacks. The final level of these signals is adjusted by the MAIN MASTER control. • MAIN (L+R)-MON The MONITOR bus signals are output from the SPEAKERS B 1, 2 jacks, and a monaural signal that is a mix of the stereo (MAIN L, R) bus signals is output from the SPEAKERS A 1, 2 jacks. The final level of these signals is adjusted by the MAIN MASTER control and the MONITOR MASTER control. • MONO (BRIDGE) The monaural signal that is a mix of the stereo (MAIN L, R) bus is output from the BRIDGE jack. The final level of this signal is adjusted by the MAIN MASTER control. Set the switch to this position when you connect only a single speaker for high-volume amplification. s STAND-BY P ON/OFF switch This switch mutes (silences) the input signals from channels 1-8 (EMX88S) or channels 1-6 (EMX68S). The indicator will blink when this switch is on. The on/off setting of this switch does not affect the signal from the AUX IN jacks or 2TR IN jacks. P s Power switch and indicator Q Q Power ON/OFF switch and indicator This switch turns the power of the EMX88S/ EMX68S on/off. When the switch is turned on, the indicator lights up. Note: Before turning the EMX88S/EMX68S on/ off, turn down the MASTER controls of the MONITOR and MAIN section. EMX88S/EMX68S-Owner's Manual