INTRODUCTION：

STD4 is designed to allow the user to convertan input S.BUS signal into a corresponding PPM signal output.

HOW TO CONVERT BETWEEN 1~4CH AND 5~8CH OUTPUT：

STD4 is designed to convert 1~4channel or 5~8channel signal output from S.BUS signal, when the weldingspot1 and 2 as shown image are welded, the output signal will be 5~8channel, otherwise the output signal is1~4channel.