Furuno FCV-1100L - Manual (Page 54)

3. SYSTEM MENU
3-6
SPLIT RANGE
Select ON to set range for low frequency and high frequency individually.
1. Rotate the [RANGE] switch to show RANGE (LF or HF) window.
30 ft
60 ft
250 ft
500 ft
1000 ft
1600 ft
3000 ft
120 ft
RANGE [LF] RANGE [HF]
30 ft
60 ft
250 ft
500 ft
1000 ft
1600 ft
3000 ft
120 ft
Switch [LF] and [HF] by
pressing the [RANGE]
switch.
Range window
2. Press the [RANGE] switch within five seconds to display the RANGE (LF)
window or RANGE (HF) window whichever desired.
3. Rotate the [RANGE] switch to select the range desired.