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6. FISH FINDER
6.3
Start/Stop Transmission
Transmission can be controlled from the [Settings] menu. To open the [Settings]
menu, follow the procedure below.
1. Open the menu.
2. Tap the toggle box at [Transmission] to show [ON] and [OFF] as required.
3. Close the menu.
6.4
How to Select a Display
6.4.1
Single/dual frequency displays and zoom displays
You can change the display mode from the layered menu. Swipe the bottom of the
screen upwards to show the layered menu, then tap [Mode]. Your fish finder has the
following display modes:
• [Single Frequency]: Shows either low or high frequency echoes on the screen. Tap
the frequency toggle at the bottom-left of the screen to change frequency.
• [Dual Frequency]: Shows both low and high frequency echoes on the screen.
Note: Dual frequency is not available for CHIRP transducers. CHIRP transducers
which can be connected to your GP-1x71F are listed in the equipment list of the in-
stallation manual.
• [Marker Zoom]: Shows the [Single Frequency] display on the right-hand side of the
screen and the location highlighted by the cursor (zoom marker) is shown zoomed
in the left-hand side of the screen.
• [Bottom Zoom]: Shows the [Single Frequency] display on the right-hand side of the
screen and the seabed area is shown zoomed in the left-hand side of the screen.
• [Bottom Lock]: Shows the [Single Frequency] display on the right-hand side of the
screen and a set distance from seabed area is shown zoomed in the left-hand side
of the screen (the seabed echo appears flat in the zoomed area).
How to show the [Zoom Marker]
The zoom marker is used with the [Marker Zoom], [Bottom Zoom] and [Bottom Lock]
display modes. To show the marker, tap [Home] => [Settings] => [Fish Finder] => [Dis-
play], then tap the toggle box at [Zoom Marker] to show [ON].
How to use the zoom slider
The zoom slider adjusts the zoom for [Marker Zoom], [Bottom Zoom] and [Bottom
Lock] display modes. To show the zoom slider, tap [Home] => [Settings] => [Fish Find-
er] => [Display], then tap the toggle box at [Zoom Slider] to show [ON].
6.4.2
A-scope display
The A-scope display appears at the right 1/16 of the screen and is available in any fish
finder mode. This display shows the echoes at each transmission with the amplitudes
and tone in balance with their intensities. This display helps you identify possible fish
species and bottom structure.
6-2
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