User`s guide
This equipment has been tested and found to comply with the limits for a Class B digital 
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable 
protection against harmful interference in a residential installation. This equipment gener-
ates, uses and can radiate radio frequency energy and, if not installed and used in accordance 
with the instructions, may cause harmful interference to radio communications. However, 
there is no guarantee that interference will not occur in a particular installation. If this equip-
ment does cause harmful interference to radio or television reception, which can be deter-
mined by turning the equipment on and off, the user is encouraged to try to correct the 
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the 
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved in writing by Davis Instruments may void 
the user's authority to operate this equipment.
Product Number: 7862
Davis Instruments Part Number: 7395-121
Weatherlink
®
, Version 4.0 for Windows
Rev. C Manual (July 16, 1999)
© Davis Instruments Corp. 1998. All rights reserved.
This product complies with the essential protection requirements of the 
EC EMC Directive 89/336/EC
Weather Monitor II, Weather Wizard III, Weather Wizard II-s, Perception 
II, and Weatherlink are registered trademarks of Davis Instruments 
Corp. Hayes is a registered trademark of Hayes Microcomputer 
Products, Inc. Windows is a trademark of Microsoft Corporation.










