Furuno TS-331A - Manual (Page 45)

5. MENU DESCRIPTION
37
5.3 Communication Menu
Choose Sonar Com
Port Choose another serial communication port for sonar data acquisition.
Choose desired port from the combo box and click the OK button.
GPS Data-In No use.
Data-Out No use.
5.4 Sonar Menu
BowScan Sets TS-331A.exe to Bowscan mode. All sensors are disabled except
vertical sonar.
TS-331A
Sets TS-331A.exe to TS-331A mode. All sensors are functional.