7. Fish Finder
7-3
7.2.2 Dual Frequency Display
The dual frequency display provides both low- and high-frequency pictures. Use the
dual frequency display to compare the same picture with two different sounding fre-
quencies. The low-frequency picture is on the left, and the high-frequency is on the
right.
How to select the dual frequency display
Use the RotoKey to select [HF] and [Dual].
Note: For the FCV-1150, this function is inoperative when thefts-1150’s NavNet menu
is set for Gain/Mode.
How to switch to single frequency display with the frequency selector icon
Click either frequency selector icon. The dual-frequency mode is cancelled and the
high frequency display appears.
36.8
ft
Low
frequency
High
frequency
0.0
20
40
60
20
40
60
Freq.
(kHz)
Beamwidth
Detection
range
Botto m
tail
50 Wide Low Deep Long
200 Narrow High Shallow Short
Resolution
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