Comms - Communications options. A restart is required to apply changes.Read Timeout - Specifies the maximum time, in milliseconds, allowed to elapse between the arrival of two characters on the communications line.
Switch Off - If your radio supports it, you can be prompted to switch off the radio when closing the program.
Dual VFO Tracking - You can check this item to track dual VFO's with every refresh. This is recommended for satellite tracking but is not recommended for slow communications.