ImmersionRC Vortex - Fusion FC;OSD Button; Socketed Video Tx Module

3) Fusion FC/OSD button, used to enter firmware update mode.
See the  Firmware Upgrades  chapter for more details.
4) Socketed Video Tx Module
A 350mW 5.8GHz Custom NexWaveRF module on the first Vortex shipments.
25mW version 5.8GHz module to be available summer 2015.
Note that the module is restrained using a stainless-steel spring. Take care when
removing the two mounting screws on the top plate, since the spring may be
ejected from the side of the quad, into awaiting fingers…
Be sure to reinstall the spring when re-assembling the Vortex, to avoid the Tx
module from damage in a crash.
8