4
Set-up adjustment
We recommend to use an oscilloscope for an adequate adjustment. With that tool you can detect
the maximum possible, distortion-free output-level of the head unit and the GZEQ 4.7X by using a
sine wave signal.
In case you do not have the possibility to proceed as per above description, please follow the
instruction below:
- Turn the master volume of the GZEQ 4.7X fully counter- clockwise to MIN position
- Turn the L + R input gains on top of the GZEQ 4.7X fully counter- clockwise to MIN
position
- Turn the head unit volume to minimum.
- Set all EQ controls to flat (12 o’clock).
- Turn the input sensitivity of the connected amplifiers between min and ¼.
- Turn the main volume of the GZEQ 4.7X to maximum.
- Adjust left and right input gains of the GZEQ 4.7X to middle position
- Gradually increase head unit volume until clipping. Use a high quality signal (high
resolution CD! No compressed audio files!) Set back all sound affecting adjustments of
the head unit.
- Start carefully increasing input gains of the GZEQ 4.7X until distortion is audible, then
reduce slightly.
Make sure that the head unit volume should be set between ½ and ¾. Always use the GZEQ 4.7X
volume control as a master (main) volume control.
To avoid any defect and realize the maximum performance, we anyhow recommend to ask your
dealer for assistance.
Warning
High powered audio systems in a vehicle are capable of generating "Live Concert" levels of sound
pressure. Continued exposure to excessively high volume sound levels may cause hearing loss or
damage. Also, operation of a motor vehicle while listening to audio equipment at high volume levels
may impair your ability to hear external sounds such as; horns, warning signals, or emergency
vehicles, thus constituting to a potential traffic hazard. In the interest of safety, Consumer Electronics
recommends listening at lower volume levels while driving.
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