RadioLink AT9S PRO - Part 3. ACRO ADVANCE MENU FUNCTIONS; 3.1 AIRPLANE WING TYPES (ACRO;GLID); 3.2 TWIN AILERON SERVOS (5-channel receiver, AILE-2, ACRO;GLID); 3.3 ACRO ADVANCE FUNCTION MENU

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Connection between R9DS and telemetry module PRM-01(pic below on left)
Connection between R9DS and OSD telemetry module PRM-03 with PIXHAWK (pic below on right).