7
HT Output
The HDZero goggle has a 6-axis smart inertial measurement unit for head tracking pan+tilt
support. The HT output jack pinout is shown in FIG 2.
The HT cable is not included. It is available on the HDZero shop and other online stores.
Audio Line In/Line Out
The HDZero goggle has a CTIA standard 3.5mm Line in/Line out jack for microphone and
headphones. The pinout is shown in FIG 3.
Mounting Rails
The HDZero goggle has a unique mounting rail for patch antennas or whatever else you might
want to mount.
Here is mount adapter for TrueRC patch antennas by Ryan Quellet, and ball joint rail mount by
userzero1.
FW Port
The FW port is used for flashing firmware to HDZero VTXes. A 150mm programming cable is
included.
The instruction for flashing VTX firmware is described on HDZero Firmware Update section.
Open Source
The HDZero Goggle is open source. You can find the SoC Firmware and Goggle CAD files at
Github.