Wegmatt dAISy Owner's Manual - page 2
2 Disclaimer
dAISy is a reliable, single-channel AIS Receiver. However, under no circumstances it should be solely
relied on for collision avoidance or navigation. It’s the user’s responsibility to use the product
prudently. Neither Wegmatt LLC nor its dealers accept responsibility or liability to the product user or
their estate for any accident, loss, injury or damage whatsoever arising out of the use of this product.
3 Connecting dAISy to a computer
3.1 Windows 7, Vista and XP
Your user has to have administrative rights on the Windows machine to install the USB driver.
To install the required driver on Windows 7, Windows Vista and Windows XP follow these steps:
1. Download the USB driver from
http://www.wegmatt.com/files/daisyUSB%20inf%20v2.zip
2. Extract the USB descriptor file (.inf) contained in the archive into a folder on your computer.
3. Plug dAISy into a free USB port.
4. Windows will detect a new USB device and start looking for a driver.
5. When prompted for a driver, select “Browse my computer for driver software” and select
the folder containing the .inf file.
a. When not prompted for a driver, open Device Manager and look for “Other Devices
> dAISy AIS Receiver” and select “Update Driver”.
6. Windows will warn you that the driver has no signature, i.e. is from a software vendor
unknown to Microsoft. Acknowledge the warning about the unsigned driver.
a. Note that the .inf file is a text file that tells Windows that a device with the name
dAISy and a certain ID should be handled by the standard USB driver that comes
with Windows. It does not contain any code.
7. After successful installation, “dAISy AIS Receiver” should show up in the Device Manager
under “Ports (COM & LPT)”, note the assigned COM port number.
8. In OpenCPN create a new serial connection on DataPort COM** (where ** is the number
Windows assigned) and with 38400 as baud rate. See the chapter about configuring
OpenCPN below for more information.
3.2 Windows 8
Windows 8 requires to temporarily disable driver signature verification while installing dAISy’s USB
descriptor file. As preparation to the actual installation, follow the steps in this article:
http://www.howtogeek.com/167723/how-to-disable-driver-signature-verification-on-64-bit-windows-
8.1-so-that-you-can-install-unsigned-drivers/
Once driver signature verification is disabled, follow the instructions for Windows 7, Vista and XP.