Z-Systems z-Q2 - Manual (Page 7)

gain
Press the gain button (the LED next to the gain button illuminates) and see this
screen:
G +00.0 L +00.0 R +00.0
Adjust the overall gain to avoid output clipping. Adjust left and right gains to
taste. As mentioned previously, if a stereo signal enters the equalizer, and the MS
encoder is on, the L gain controls the M level, and the R gain controls the S level.
Equalization
The equalization in the z-q2 is performed with floating point arithmetic and
uses proprietary low-distortion algorithms developed by Dr. Glenn Zelniker. There
are six bands, including two first order (6 dB per octave) shelves and four
parametrics (bell curves).
Stereo (ganged EQ channels):
Press the lo shelf button (on the top left). The display should look like:
S +00.0 56 Hz
Rotate the left knob to change the gain of the low frequency shelving equalizer.
Rotate the middle knob to change the frequency below which the shelving action
takes place. This frequency is at the nominal 3 dB point of the curve. The first-
order equalizer is extremely gentle and quite natural-sounding. The S stands for
stereo, and when the screen has an S in it, frequency and level control for both
stereo channels are ganged together.
Separate Left and Right Channel EQs:
Press the lo shelf button again. The display now reads:
L +00.0 56 Hz. Here you can display and adjust the left channel shelf
independently.
Similarly, press the lo shelf button again to display and adjust the right channel.
Now, press lo shelf again to return to the S display. If you altered either the
frequency or the level of one channel, you will see one or two corresponding
z-q2 Operations Manual version 1.0 1/2301 Page 7