Vince,
In addition to reading the Beginner's Guide, please refer to the forum's WIKI page.
There is a lot of info there that points to message threads that cover questions already answered over the last 3 years.
You will also find links to HOW-TOs and info that provides more in-depth coverage of your new tool.
Also - you can't brick the device. I tried to.
If a F/W update fails, you just put the device back into DFU mode and try again.
Install the latest DiSlord firmware but beware - an H device can only use H FW - don't try H4, Lite, F or any other 'Nano' FW out there.
Install V1.1.00 firmware and you'll be all set to use the various PC interface applications.
Also note that a number of device owners have found the USB cables supplied with their units to be flaky. so in case you have any issues connecting to a PC, try another cable.
Finally - READ, Read some more, then read more after that.
Play/experiment with the unit.
