USB Playback Mix
The DATA WHEEL is an easy way to balance the GNX4’s processing with playback from the Pro Tracks
Plus software using a single control. This function is only available when the GNX4 is connected to the
computer via USB and Pro Tracks Plus is up and running. To change the USB Playback mix, follow these steps:
1. Start playback of a session from Pro Tracks Plus.
2. Press the SHIFT button then press the USB PLAY MIX button (both are located in the Recorder
Panel).
3. Turn the DATA WHEEL to balance the level of GNX4 guitar processing and playback level. When the
display reads
USB MIX 0 it indicates that only GNX4 signals will be heard. Rotating this knob clockwise,
you will begin to hear the playback level increase.
GNX mix 50 indicates the GNX4/computer playback
mix is a 50/50 mix of both signals. Continuing to rotate the knob clockwise will decrease GNX4 level.
GNX MIX 0 indicates that only playback from the computer will be heard.
When the GNX4 is not connected to your computer via USB,the USB Playback Mix parameter is hidden
and returned to normal operating levels independent of USB. If your GNX4 is not connected to your
computer and you press the SHIFT button and then the USB PLAY MIX button,the GNX4 will display
NO USB.
USB 1-2 Level/USB 3-4 Level
The USB 1-2 LEVEL and USB 3-4 LEVEL knobs are used for boosting or cutting the amount of signal
sent out the USB port to the computer. These controls are to be used if the signal level of the input source
(mic, line,guitar) isn’t optimized into your recording software (consult the Pro Tracks Plus User’s Guide for
information on proper recording levels). If the signal is too hot to Pro Tracks Plus,use these controls to
decrease the level. The USB 1-2 Level and USB 3-4 Level knobs control the level for each USB pair of
outputs so for example, if
sum+mic is the selected USB 1-2 Source,increasing the level for the mic 6dB going
up USB 2 will also increase the summed signal by 6dB going up USB 1. To increase or decrease the level of
audio going up to the computer, follow these steps.
1. Play/sing through the GNX4 and check the level of signal reaching the recording software (consult the Pro
Tracks Plus User’s Guide for information on how to view recording signal levels).
2. Use which ever USB Level knob to boost or cut the signal level going to the recording software. The
boost/cut range is from -6db (
usb 1-2 -12) to +24dB (usb 1-2 24).
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Computer Recording via USB
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