User Manual

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The z-Q6 Six-Channel

Mastering Equalizer

Controlling Filter Parameters................................................................................................................................ 3

Selecting Active Channel Group...........................................................................................................................4

Controlling Master Level and Channel Offsets....................................................................................................4

Bypassing Filter Bands...........................................................................................................................................5

Bypassing the Entire EQ........................................................................................................................................ 5

Adjusting Wordwidth and Sample Rate...............................................................................................................6

Saving and Loading Presets...................................................................................................................................7

MIDI Automation.................................................................................................................................................. 8

Specifications........................................................................................................................................................10

Figure 1 - z-Q6 front panel controls.....................................................................................................................2

Figure 2 - EQ control mode ..................................................................................................................................3

Figure 3 - channel selection mode........................................................................................................................4

Figure 4 - volume control mode...........................................................................................................................4

Figure 5 - band bypass mode................................................................................................................................. 5

Figure 6 - master bypass mode.............................................................................................................................. 5

Figure 7 - wordwidth/sample rate mode.............................................................................................................. 6

Figure 8 - preset mode...........................................................................................................................................7

Figure 9 - confirmation of preset save..................................................................................................................7

Figure 10 - indication that preset has not been saved.......................................................................................... 8

Figure 11 – MIDI control screen...........................................................................................................................8

Summary of content (10 pages)

PAGE 1
z-Q6 manual © 2000, Z-Systems Audio Engineering The z-Q6 Six-Channel Mastering Equalizer Controlling Filter Parameters................................................................................................................................ 3 Selecting Active Channel Group ........................................................................................................................... 4 Controlling Master Level and Channel Offsets ..........................................................
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z-Q6 manual (J) channel label (K) active band indicator (D) channel select button left/right front +00.0 +00.0 +00.0 +00.0 +00.0 +00.0 1K00 1K00 1K00 1K00 1K00 1K00 *0.4 0.4 0.4 0.4 lo hi (I) band select/bypass buttons (G) presets screen select button (E) master bypass button (H) EQ/volume select button (A) L knob (C) R knob (F) dither, sample rate select button (B) M knob Figure 1 - z-Q6 front panel controls Using the z-Q6 is very simple once you understand its display and control methodology.
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z-Q6 manual Controlling Filter Parameters left/right front +00.0 +00.0 -02.4 +00.0 +00.0 +00.0 1K00 1K00 3K15 1K00 1K00 1K00 0.4 *0.4 0.4 lo hi 0.4 Figure 2 - EQ control mode Press the EQ/Volume select button to toggle between EQ and volume control modes The display will appear as in Figure 2. Notice that the active channel group is indicated on the top row (we will discuss how to change active channel groups in the next section).
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z-Q6 manual Selecting Active Channel Group LRF LRS CEN SUB Figure 3 - channel selection mode The z-Q6 can not display the filter parameters for all channels at once, so it uses a "paging" mode where the EQ parameters are displayed and controlled one channel group at a time. To change the active channel group, press the channel select button once. The display will appear as in Figure 3. Choose which channel group you wish to control by pressing the button below the appropriate display.
PAGE 5
z-Q6 manual asterisk will appear by that channel name and the middle knob (as prompted by the display) then controls the level offset for that channel. Press any of the other mode select buttons to exit from volume mode. Bypassing Filter Bands left/right front +00.0 +00.0 byp +00.0 +00.0 +00.0 1K00 1K00 3K15 1K00 1K00 1K00 0.4 0.4 0.4 lo hi 0.4 Figure 5 - band bypass mode It is simple to audition the effect of a single band of equalization on the z-Q6.
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z-Q6 manual Important note: None of the z-Q6's controls will work until you return from master bypass mode. Adjusting Wordwidth and Sample Rate 96.0 96.0 96.0 96.0 24dith 16bits 24dith 24dith CEN SUB LRF *LRS (M knob) (R knob) Figure 7 - wordwidth/sample rate mode Press the wordwidth/sample rate button to get to the wordwidth/sample rate mode. The display will appear as in Figure 7.
PAGE 7
z-Q6 manual You will notice that the sample rate for the subwoofer channel can not be controlled directly. This is because the center and subwoofer channels are on the same AES/EBU pair and thus must have the same sample rate. We have, therefore, chosen to lock the sample rate indicators for the center and subwoofer channels together. As you change the center channel's sample rate, the subwoofer channel's sample rate changes along with it.
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z-Q6 manual (L knob) preset #00 not saved LOAD SAVE (R knob) MIDI #12 DUMP READ Figure 10 - indication that preset has not been saved To recall a preset, from the screen in Figure 8 press the button beneath the LOAD indication. The preset indicated in the display will be loaded and the z-Q6 will jump to either EQ mode or volume control mode as appropriate.
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z-Q6 manual To retrieve a collection of 50 presets from a MIDI sequencer, again make sure you have the z-Q6’s MIDI channel number set to the same channel as the MIDI sequencer. Press the button below the READ message and then begin to play the MIDI system exclusive stream from your MIDI sequencer. The preset counter will again count backwards, letting you know that the z-Q6 is indeed receiving and decoding the system exclusive commands.
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z-Q6 manual Specifications • • • • • • • • • • • • • • • • • • • • • • • Inputs: 3 AES/EBU (transformer-isolated, 110-ohm terminated), Outputs: 3 AES/EBU (transformer-isolated, 110-ohm terminated), Input/output precision: up to 24-bits Gain control: from -95 dB to +12 dB Gain resolution: 0.