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The effects processor can also be turned on and off remotely by connecting an optional foot- switch to the FOOT SW jack. The 7-band graphic equalizer is used to boost or cut certain frequencies of the MAIN output signal by up to ±12 dB. It affects the MAIN OUTPUT signal, the speaker outputs, and the PHONES. I EFFECT RTN control The MAIN EFFECT RTN control determines the level of the signal from the built-in digital effects processor that is fed to the MAIN bus and subsequently the MAIN outputs. J AUX IN control The AUX IN control determines the level of the AUX IN signal that is fed to the MAIN bus and subsequently the MAIN outputs. K TAPE IN The TAPE IN control determines the level of the TAPE IN signal that is fed to the MAIN bus and subsequently the MAIN outputs. L MASTER control The MAIN MASTER control determines the output level of the MAIN OUT, speaker outputs, and PHONES. M Level meter The 5-LED meter displays the level of the MAIN output signal. EMX620—Owner’s Manual Front & Rear Panels Front & Rear Panels iter circuit, which is designed to protect the internal power amplifier against excessive input signals and load mismatches, activates. If the LIMITER indicator lights up, back off the MAIN MASTER level control, or the appropriate channel LEVEL control a little. If the indicator remains lit, make sure that the impedance of the connected speaker system is correct. MONI Section The MONI section is used to set the MONI MASTER level and MONI EFFECT RTN level. E 0 10 EFFECT RTN 0 10 MASTER F MONI O EFFECT RTN The MONI EFFECT RTN control determines the level of the signal from the built-in digital effects processor that is fed to the MONI bus and subsequently the MONITOR OUTPUT. P MASTER control The MONI MASTER control determines the output level of the MONITOR OUTPUT. ¦ POWER Indicator, PHANTOM Switch & Indicator POWER G PHANTOM ON OFF H Q POWER indicator The POWER indicator lights up when the EMX620 is powered up ready for use. R PHANTOM switch The PHANTOM switch is used to turn on and off the +15 V phantom power for the Lo-Z XLR-type inputs on input channels 1 through 4. EMX620—Owner’s Manual Input/Output Panel Input/Output Panel 4A Hi-Z Lo-Z Hi-Z Lo-Z Hi-Z Lo-Z Hi-Z LINE Lo-Z 1 LINE 2 INST 1 INST EFFECT OUT FOOT SW 2 PHONESMAIN MONITOR INPUT TO MAIN OUTPUT 1 1 2 2 TAPE IN AUX IN REC OUT 1 235 1 Hi-Z, Lo-Z (inputs 1–4) These are the input connectors for input channels 1 through 4. Both the Hi-Z and Lo-Z input can be used with microphones and, by using the PAD switch, can also be used with line-level sources, such as synthesizers and drum machines. Switchable +15 V phantom power is available to the Lo-Z XLR-type input for use with condenser- type microphones. Both the Hi-Z and Lo-Z inputs are balanced. Pin connections are as follows. Lo-Z (XLR-type) Hi-Z (TRS phone jack) Pin 1: ground Sleeve: ground Pin 2: hot (+) Ring: cold (–) Pin 3: cold (–) Tip: hot (+) S RT +-GND GND -+ Note: The Lo-Z and Hi-Z input of each channel cannot be used simultaneously. Use the input appropriate for the source. Note: Since phantom power is turned on and off for inputs channels 1 through 4 simultaneously, input devices that do not require it should be connected to the Hi-Z input when phantom power is used. B LINE 1 & 2 (input 5) These two phone jacks are the input connectors for input channel 5. They are unbalanced, can be used simultaneously, and are appropriate for use with line-level sources, such as synthesizers and drum machines. 67890 C INST 1 & 2 (input 6) These two phone jacks are the input connectors for input channel 6. They are unbalanced, can be used simultaneously, and their high input impedance makes them ideal for use with instruments such as electric-acoustic guitar and electric bass. They can also be used with line-level sources, such as synthesizers and drum machines. D EFFECT OUT jack The EFFECT OUT phone jack outputs the signal from the EFFECT bus and can be connected to the input of an external effects processor. E FOOT SW jack The FOOT SW jack is used to connect an optional footswitch, such as the Yamaha FC5, which can be used to turn the built-in digital effects processor on and off. The DIGITAL EFFECT ON switch must be in the ON position in order to use the footswitch. F AUX IN—INPUT TO MAIN jack The AUX IN—INPUT TO MAIN phone jack is used to feed signals from an external source to the MAIN bus and can be connected to the output of an external effects processor, for example. G TAPE IN—INPUT TO MAIN jacks The TAPE IN—INPUT TO MAIN phono jacks are used to feed signals from an external source to the MAIN bus and can be connected to the stereo outputs of a cassette, DAT, or MD deck. H REC OUT—OUTPUT jacks The REC OUT—OUTPUT phono jacks output the MAIN bus signal prior to the 7-band graphic equalizer and MASTER level control, and can be connected to the stereo inputs of a cassette, DAT, or MD deck for recording. EMX620—Owner’s Manual 10 Front & Rear Panels 10 Front & Rear Panels J PHONES—OUTPUT jack Th...