Firmware Version 1.21
2/2/2010
10
included with your keyer includes a copy of PuTTY, a free Windows terminal program
that has a number of advantages over Hyperterminal, including support for COM port
number greater than COM8.
Install the Drivers
When you connect the MK-1 to your computer via the USB port, the system will
automatically detect the new device. In many cases, the correct drivers will already be
loaded (this is true for all reasonably modern Linux and OSX installations). For
Windows, you may need to install the device drivers present on the CD-ROM that came
with your MK-1. The newest, updated drivers can also be obtained directly from FTDI
via their web site: http://www.ftdichip.com/Drivers/VCP.htm.
Determine the COM port number
Once the device drivers are installed and the MK-1 connected, you will need to determine
the COM port number assigned to the MK-1’s interface. To do this in Windows XP and
earlier versions, open your Control Panel and double-click the System icon. You can also
right-click your “My Computer” icon and select Properties. Now select the Hardware
tab, and you should be looking at a window like the one below.
Click the “Device Manager” button to open this window:
