SonTek/YSI
SonTek/YSI, Inc.
6837 Nancy Ridge Drive, Suite A, San Diego, CA 92121-3217 USA
Telephone (858) 546-8327 •
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• Fax (858) 546-8150
E-mail: inquiry@sontek.com •
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• Internet: http://www.sontek.com
A YSI Environmental Company
SonTek/YSI
ADVField/Hydra
Operation Manual
(Firmware version 7.9 and later)
Copyright 2002 by SonTek/YSI, Inc. All rights reserved. This document may not, in whole or in part, be copied, photocopied, reproduced,
translated, or reduced to any electronic medium or machine-readable form without prior consent in writing from SonTek. Every effort has been
made to ensure the accuracy of this manual. However, SonTek makes no warranties with respect to this documentation and disclaims any
implied warranties of merchantability and fitness for a particular purpose. SonTek shall not be liable for any errors or for incidental or
consequential damages in connection with the furnishing, performance, or use of this manual or the examples herein. The information in this
document is subject to change without notice.