I have upgraded my Iris to an Iris+ and just plugged in the Tarot gimbal for the first time using the instructions on the 3DR site. However, on power up the gimbal with the GoPro H3+ is moving randomly in all directions and the "Tilt" know on the FS TH9X does not appear to be working. The gimbal LED is flashing blue which indicates that it has initialized properly. I have read that there are gimbal calibration instructions available as well as a newer version of the firmware (v 1.5 I believe). Since this gimbal was shipped with an older Iris should update the firmware immediately or should I try to find these calibration instructions first?