User manual CREST AUDIO X-RACK XR-20

[. . . ] owner's manual X-Rack XR-20 XR-24 rack mount mixers Important precautions 1 Save the carton and packing materials!Should you ever need to ship the unit, use only the original factory packing. For replacement packaging, call Crest Audio's Customer Service Department directly. XR-20 / XR-24 owner's manual Service Information Do not open unit!Opening the unit will expose you to potentially dangerous voltages. [. . . ] They are typically used to feed signal processors and for on-stage monitors. Stereo signals are summed together to make up the source for Auxes 3, 4, 5 & 6. Auxes 3, 4, 5, & 6 level Set levels Auxes 3, 4, 5, & 6. AUX 5-6 PRE AUX 5 and AUX 6 are post fader. AUX 5 and AUX 6 are pre-fader. 2 p. 21 2 Stereo input channel Module XR-20 / XR-24 owner's manual Controls PFL SOLO LEFT PRE FADER TO PEAK CIRCUIT SOLO RIGHT MUTE SOLO DC MONO CHAN FADER FADER AMPS LEFT +10 POST FADER +10 100MM RIGHT A1-2 PRE LEFT RIGHT YES PRE SOURCE MUTE ?A3-4 PRE PAN 1-2 L-R G1-2 G3-4 BUS ASSIGN SWITCHES LEVEL 1-2 A1 A2 LEV 3 L&R MIXED A3 NO LEFT PRE-SOURCE BUFFERS A5-6 PRE LEV 4 A4 LEV 5 L&R MIXED A5 LEV 6 A6 RIGHT AUX SENDS 1 THRU 6 p. 22 Stereo Input channel Bus assignment features The bus assignment section offers considerable flexibility for creating what eventually becomes the main output mix. Two stereo subgroups are available for creating submixes or separate stereo mixes. When the channel is being used as a stereo input, Left/Right, Groups 1 & 2 Groups 3/4 bus assignments are configured as true stereo pairs. Bus assignments are derived post-fader, post-eq, and postmute. BAL control The balance control adjusts the stereo balance for the Group and Left/Right assignments. Mono bus assign The channel is assigned to the MONO mix bus. The Left and Right signals a are summed to make up the MONO signal. BAL has no affect on MONO L-R bus assign The channel is assigned to the Left and Right mix buses. G 1-2 bus assign The channel is assigned Sub Groups 1 and 2. Groups 1 and 2 are configured as a stereo pair. They can also be treated as two discrete mono groups by using the BAL control as an GROUP 1/2 mix control. G 3-4 bus assign The channel is assigned Sub Groups 3 and 4. Groups 4 and 4 are configured as a stereo pair. They can also be treated as two discrete mono groups by using the BAL control as an GROUP 3/4 mix control. Input fader The fader is the primary level control for signals being sent to any of the consoles mix buses, The signals affected are the AUX sends selected to be post-fader and the Mono, L/R, and Groups 1-4. [. . . ] 42 Master section Rear panel features AUX Inserts 1 through 6 The Aux masters have pre-fader inserts for patching in signal processors. This is useful when using Aux outputs for stage monitors. Aux OUT TRS Jacks 1 through 6 The six post-fader Aux master outputs are available at these 1/4" TRS jacks. Aux OUT XLR's 1 through 6 The six post-fader Aux master outputs are also available at these male XLR jacks. [. . . ]