Just a small note about an issue that happened when I attended the 2015 Queensland Astrofest
. Don't upgrade the hand controller and the motor firmware in the field without thinking things through well. I upgraded the hand controller from 3.35 to 3.37( had not done this since I got it) in the field but then when I went to do the motor firmware it failed, leaving the mount "dead" and not recognising the motors. This was done stupidly with a 7m extension cable that I had plugged into the hand controller then had that plugged into the mount - note to self must use short cables to upgrade ANY firmware. Thankfully someone on the field had either read or heard of this problem before and was fixed by resetting the hand controller to factory settings and then reconnected the computer to the mount then upgrade the software. That worked!!