REFLECTOR: GRT HXr USB expansion

Lawrence Epstein ljepstein at hotmail.com
Tue Feb 11 12:14:19 CST 2014


Last week, the discussion over what the USB ports ended with a post that
Carlos @ GRT said the USB was not available for expansion or anything but
software upload and data download.
Carlos is the expert, but I think he was mis-understood.

Here is the USB section of the HXr installation manual:

"USB
The preferred method of data transmission for newer devices is USB. Just
like the USB port on your
computer, an EFIS USB port is easy to connect and transmits large amounts
of data quickly. USB
devices do not require you to program a baud rate. *The HXr has two USB
ports that may be used*
*for two USB devices, or you may attach a USB hub to run up to three
devices. Some ADS-B units,*
*such as the Radenna Skyradar, offer USB data transmission.* Software
updates are also delivered
to the EFIS via USB- simply install the software update files onto a USB
thumb drive from the GRT
website, then install the thumb drive to the EFIS USB port. The EFIS will
upload the files when you
follow the Update instructions in the system Setup Guide. Most people
choose to leave a USB
extension cable plugged into the USB port for easy software updating.
Flight and engine data may
be recorded to a USB thumb drive as a "demo file" for later examination- a
useful feature for
collecting flight test data."
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