Mackie 1202-VLZ4 Owners Manual - Page 16
Output Main Mix, 33. Control Room Source Mix, 34. Control Room/Submix
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1202VLZ4 Output Section 33 37 36 35 34 32 32. Main Mix This knob controls the levels of signals sent to the main outputs: XLR [13] and 1⁄4" [11] and RCA tape output [10]. All channels and stereo returns [7] that are not muted or turned fully down will wind up in the main mix. Fully counterclockwise is off, the center detent is unity gain, and fully clockwise p rovides 12 dB of additional gain. This additional gain will typically never be needed, but once again, it's nice to know it's there. This is the knob to turn down at the end of the song when you want The Great Fade-Out. 33. Control Room Source Matrix Typically, the engineer sends the main mix to an audience (if live) or a mixdown deck (if recording). But what if the engineer in the control room needs to hear something other than the main mix? With the 1202VLZ4, the engineer has several choices of what to listen to. This is one of those tricky parts, so brace yourself. Via these source switches, you can choose to listen to any combination of main mix, alt 3-4 and tape. By now, you probably know what the main mix is. Alt 3-4 is that additional stereo mix bus. Tape is the stereo signal coming in from the tape input [9] jacks. Selections made in the source matrix deliver stereo signals to the control room, phones and meter display. With no switches engaged, there will be no signal at these outputs and no meter indication. The exception is the solo function. Regardless of the source selection, engaging a channel's solo [24] switch will replace that selection with the solo signal, also sent to the control room, phones and right meter (the left meter becomes inactive). This is what makes the level-setting p rocedure so easy to do. WARNING: Engaging both the tape and assign to main mix [36] b uttons can create a feedback path between tape input [9] and tape output [10]. Make sure your tape deck is not in record, record-pause, or input-monitor mode when you engage these switches, or make sure the control room / submix [34] level knob is fully counterclockwise (off). Now you know how to select the signals to send to the engineer's control room or phones. From there, these signals all pass through the same level control: 34. Control Room/Submix This knob controls the levels of both the stereo control room [15] and phones [12] outputs. The control range is from off through unity gain at the detent, with 10 dB of extra gain (when turned fully clockwise). When main mix is your control room source selection, those signals will now pass through two level controls on the way to your control room amp and phones - the main mix [32] knob and this control room / submix knob. This way, you can send a nice healthy level to the main output (main mix knob at "U"), and a quiet level to the control room or phones (control room / submix knob wherever you like it). When alt 3-4 or tape is selected, or solo [24] is engaged, the control room / submix knob will be the only one controlling these levels (channel controls not withstanding). 16 1202VLZ4