Install the transducer to bait boat,and put it to water.
FF918-CWLS sonar coverage is 45 degree beam angle in 200Khz.
This model can constainly obtain water and fish information.
Function key:
1.Up arrow key
2.Mode key
3.Power/Menu key
4.Sensitivity key
5.Down arrow key
6.Light key
Function key:
1.Up arrow key
2.Mode key
3.Power/Menu key
4.Sensitivity key
5.Down arrow key
6.Light key
Wireless operating range is 300m.