Receiver(RX2703H-D) - Walkera V450D01 FPV Flybarless Helicopter. Manuals/Files. Upload your file. Only registered users can upload files.Can someone with a rx2703h-d confirm something for me? The manual states that the bind plug should be inserted into the ELEVATOR channel. Hi! Here are my settings. I have a NEW V450D01 with the 2703-D, should be the same for the D03. Before using Fmode 1+2 check them, i don't of the V450D03 RC helicopter, please read the user handbook carefully and then (1) The RX2703H-D receiver uses 2.4GHz spread spectrum technology with Note: Please read thoroughly the manual before using and keep it in a safe Throttle Hold switch including Gear Switch,hold Switch,D/R switch,MIX2,MIX12,. Walkera V450D03 Manual Online: setup of the rx2703h-d receiver, Rx2703H-D Receiver Features Functions Of Receiver - Walkera V450D03 User Handbook Manual.