User manual CARVIN PA1200

[. . . ] CARVIN ENGINEERING DATA PA800, PA1200, PA1200R MIXERS OPERATING MANUAL ENGINEERED TO LAST cont. Hidden deep in the heart of these mixers is the "SMT" Surface Mount Technology construction that utilizes surface mounted components to prevent parts from shaking or vibrating loose. Sealed controls and switches guard against the outside elements while heavy-duty connectors provide a positive connection to your cables. Fire retardant FR-4 military spec circuit cards feature double-sided copper construction to guard against noise and radio frequencies (RF). [. . . ] With the mixer unplugged and the unit turned off, complete the following procedures: 7. CHANNEL EFFECTS 1&2 LEVEL The EFF 1&2 adjusts the level sent to the dual effects processors and to the EFF SND 2 jack. The effects control is postchannel level, which automatically tracks the channel's LEVEL & tone controls. Turning this control to the left will send to the internal effects processor 1. Turning to the right will send to the internal effects processor 2 (and the external EFF 2 SND jack). Reduce these levels if PEAK LEDs are flashing on the effects processors. 14. RETURN LEVEL & L-R RETURN JACK The RETURN level control and L-R jack provides another input into your mixer. It is most commonly used for an outboard effects processor returning the signal from the EFF 2 SND, or as another input from a stereo source or instrument. A stereo TRS (Tip, Ring, Sleeve) cable will send the Tip signal to the L and the Ring signal to the R. Inserting a mono plug partially (first "click") will send a mono signal to both L-R. A. CONNECTING AC POWER TO YOUR MIXER · Be sure to plug your mixer into the proper voltage for your country, either 120V-60Hz or 240V-50Hz. · Use only a grounded (3 prong) power outlet to prevent a shock hazard. CONNECTING INPUTS TO YOUR MIXER · For balanced microphones, use a shielded cable and plug into the XLR MIC inputs. · For high output devices like instruments & keyboards, plug into the LINE input jacks using a shielded cable. Depress the GAIN switch "IN" for mic or "OUT" for instruments. TURNING YOUR MIXER ON · Set all channel and master LEVEL controls to their OFF positions · Set all HI, MID, and BASS controls and the graphic equalizers to their center "flat - no boost or cut" position. · Adjust all channel "PAN" controls to their center position. · Turn the mixer on by the rear POWER SWITCH and watch for the front POWER LED to come on. CHANNEL TONE CONTROLS Each channel features active 3-band tone controls LO, MID, and HI. All three function as boost (clockwise) & cut (counter-clockwise) controls. L-R XLR OUTPUT CONNECTORS The L-R professional balanced XLR line outputs are post graphic EQ connectors. Note: If the INSERT jacks are being used for patching, the new signal will be present. 16. [. . . ] High frequency feedback is reduced by lowering one of the 2k or 4k Hz sliders. To help with feedback reduction, the main speaker should always be placed in front of the microphones. For tone enhancement you may want to raise the 63, 125 (for GRAPHIC EQ deeper bass) and the 4, 8 and 63 125 250 500 1K 2K 4K 8K 15K +12 12 + 16k (for crisper 8 8 4 4 highs) forming 0 0 4 a "smile" curve 4 8 8 12 - 12 as shown. 22. TAPE IN LEVEL You may use the TAPE IN level as another input into your mixer using the RCA TAPE IN jacks. 28. [. . . ]