There are two options for connecting FlightView with the TY91. If you purchased and installed the Trig control head, you will need to use option 1 (FlightLink RS-232 to the TC90 Control Head). If you did not purchase the control head you will need option 2 (FlightLink RS-485 Direct To The TY91).
FlightLink RS-232 to the TC90 Control Head
Connecting to the TC90 control head allows you to use either the control head or the COM interface in FlightView to set the active frequency. All other configuration (volume, squelch, side-tone, etc.) is handled by the control head. This option is good if you have the panel space for the control head, as it gives you two methods for controlling the TY91 radio.
The TC90 control head has an RS-232 communications port that […]