Z-Systems z-qualizer - Manual (Page 8)

z-Qualizer manual Z-Systems Audio Engineering
8
SysEx Read
For a SysEx restore of all 99 presets from a MIDI sequencer, turn the freq knob (be-
low the word read in the alphanumeric display) in either direction to prepare the z-
Qualizer to receive SysEx data. Start your sequencer playing the sysex dump. While
the dump is proceeding, the word read will change to a numerical countdown from
99 to 1 to indicate the memories which are being restored. This takes only a few
seconds. When the SysEx restore is complete, the word read re-appears in the alpha-
numeric display.
SysEx Dump
For a sysex dump of all 99 presets to a MIDI sequencer, first start your MIDI se-
quencer recording. Then rotate the Q knob to start the dump. During the dump, the
word dump will blink and the sequencer should indicate that it is receiving MIDI data.
After all 99 memories have been sent to the sequencer, the display returns to dump.
MIDI Program Change
Connect the output of a MIDI sequencer to the MIDI in jack. Any time the z-Qualizer
sees a program change whose value is from 00 through 99, it will load the corre-
sponding memory. In the preset load mode the memory number will change to the
one sent by the MIDI program change command. Any other screen will display the
results of the program change.
Specifications
 Input/Output: AES/EBU (transformer-isolated, 110-ohm terminated)
 Input/Output precision: up to 24 bits
 Gain control: from -95 dB to +12 dB
 Gain resolution: 0.1 dB increments between 0 and 3 dB (gain or loss), 0.2
dB increments from 3 dB to 12 dB (gain or loss), 1 dB increments from –
12 dB to -20 dB, 2 dB increments from -20 to -50 dB, 3 dB increments
from -50 to -62 dB, 4 dB increments from -62 to -70, 5 dB increments
from -70 to-95 dB.
 Filter types: 4 parametric, 2 shelving
 Center frequency resolution: 1/6th octave ISO from 28 Hz to 20 kHz
 Filter gain/cut: from -95 dB to + 12.0 dB with the same increments as the
gain control.
 Filter bandwidths: Q=0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4,
1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0
 Shelf filter slopes: 6 dB/octave (first order)
 Channel separation: Effectively infinite
 Dither types: 24 bit, 20 bit, and 16 bit proprietary floating-point tech-
niques, and 16 bit POW-r Dither (two types)