Installation guide
4 
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Copyright © 2012 DEQX Pty Ltd, Sydney, NSW, Australia (‘DEQX’). DEQX-Cal™ is a trademark 
of DEQX Pty Ltd. All other product or brand names may be trademarks or registered trademarks 
of their respective owners 
Disclaimer and Limitation of Liability 
DEQX Pty Ltd assumes no responsibility for loss or damage resulting from the use of the PDC- 
2.6/PDC-2.6P, HDP-Express, HDP-3, HDP-Express II, HDP-4 or DEQX Mate (DEQX unit). 
Please refer the license supplied with the DEQX Calibration software. 
Contact support@deqx.com for installation and operational support. We highly recommend using 
the DEQXpert™ on-line installation and/or training service.  
Safety Instructions Warning 
To prevent fire or shock hazard, do not expose the unit to rain or moisture. To avoid electrical 
shock, do not open the unit. No user-serviceable parts are inside. Please refer any servicing to 
qualified personnel. 
Caution: 
Damage may result to your speaker drivers and other equipment if your audio system is 
connected incorrectly or if the DEQX unit is used incorrectly. Unless you are using the 
DEQXpert™ installation service, it is recommended that you read the quick installation guide and 
ideally this manual and the DEQX User’s manual before configuring your hardware and refer to 
your speaker manufacturer's specifications to ensure correct connection. If you are in doubt as to 
the connection of your audio equipment please seek assistance from a professional audio 
installer or contact DEQX at support@deqx.com See the DEQX license disclaimer. 
DEQX Processor Installer’s Manual 2013. This document relates to version 2.92 of the DEQX 
Calibration Software and version 65.0 & 201.10 of the firmware. For the latest software, firmware 
and documentation check www.deqx.com 
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This is a legal agreement (‘Agreement’) between you (either an individual or an entity), the end 
user, and DEQX Pty Limited, Sydney, Australia. By installing, copying, or otherwise using the 
Product (as defined below), you agree to be bound by the terms of this Agreement. If you do not 
agree to the terms of this Agreement, do not install, copy, or use the product, and promptly return 
the disks and any accompanying items (including written materials and binders or other 
containers, if any) to DEQX Pty Limited. 
DEQX LICENSE AGREEMENT for one Copy of DEQX-Cal™ Acoustic Calibration Software and 
Firmware © 2013 DEQX Pty Limited.  All rights reserved 
ALWAYS TURN THE DEQX UNIT AND ANY ASSOCIATED AUDIO EQUIPMENT OFF 
BEFORE CONNECTING OR DISCONNECTING AUDIO CABLES. 
ANY AUDIO EQUIPMENT REQUIRING GROUNDING MUST BE GROUNDED TO THE 
SAME POINT (CIRCUIT) AS THE DEQX UNIT. 
FAILURE TO OBSERVE THESE WARNINGS CAN RESULT IN DAMAGE TO THE DEQX 
UNIT AND OTHER AUDIO EQUIPMENT AND MAY NOT BE COVERED BY 
WARRANTY. 










