The Tarot OSD is compatible with Tarot mini 250/300 and other FPV multicopter. There are Chinese and English interface, each parameter can be set on the monitor. The OSD comes with the barometer sensor and GPS module, which make the altitude and location more precisely. Tarot mini 250/300 frame has hole to install the OSD, it will be easy to install the OSD on those frame.
OSD iamge overlay system has the following function: battery voltage/ flight time/flight speed/ flight altitude/home direction/distance from home/accumulative flight distance/elevator rate/longitude and latitude/satellite quantity/azimuth and etc.
OSD Image Overlay System Button Function:
After start it, short press it to save the location of the home (the position where the mutlicopter take off). Long press it will enter the “Setup Menu”
Press it for two times can switch the video format. The video format can change in Setup Menu.
In Setup Menu, short press is to choose the settings, long press is to save or confirm.
Test the real voltage of the battery by multimeter, enter battery voltage calibration, vand set it to the voltage you tested, and then quit. Calibrate the voltage could only use the 3S 11.1V.