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1. English Edition 3/2007
Documentation © 2007 La Crosse Technology
All rights reserved. No parts of this manual may be reproduced or processed in any form using electronic, mechanical or
chemical processes in part or in full without the prior explicit written permission of the publisher.
It is quite possible that this manual has printing errors or defects.
The details provided in this manual are checked regularly and corrections are done in the next edition. We do not assume
any liability for technical or printing errors.
All registered trade marks and copyrights are acknowledged. Printed in Hong Kong.
We reserve the right to make changes due to technical advancements without prior notice.
74889 Y2007 V1.0
4. Changing the batteries ............................................................................................31
5. Troubleshooting .......................................................................................................32
6. Range ........................................................................................................................34
7. Instructions for Maintenance and Care ..................................................................34
7.1. Cleaning the rain quantity sensor ................................................................................35
7.2. Setting the rain sensor ................................................................................................36
8. Technical specifications ..........................................................................................37
10. Appendix ..................................................................................................................39
11. Proper use, exclusion of warranty,
Safety Instructions ...................................................................................................40
12. Wireless Technology BidCoS ...................................................................................41
13. FCC Information ........................................................................................................42
Appendix A: Menu Overview WS 550 US .................................................................43
Appendix B: Table of latitude/longitude of US counties ..........................................44
Appendix C: Table of time zone difference from UTC ..............................................62