hlrc

#pan  angle (left/right)

float32 pan  = 1

#tilt angle (up/down)

float32 tilt = 2 

#roll angle (sideway movement)

float32 roll = 3 

#vergence angle (angle difference from straight view, defaults to 0.0 for straight)

float32 vergence = 4 

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#response

uint32 result