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8. FISH FINDER
8.3
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.
8.4
How to Select a Display
8.4.1
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 Freq]: 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 Freq]: 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 SMD7/SMD9 are listed in the equipment list of the
installation manual.
• [Mrk Zoom]: Shows the [Single Freq] 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.
• [Btm Zoom]: Shows the [Single Freq] display on the right-hand side of the screen
and the seabed area is shown zoomed in the left-hand side of the screen.
• [Btm Lock]: Shows the [Single Freq] 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 [Mrk Zoom], [Btm Zoom] and [Btm Lock] display
modes. To show the marker, tap [Home] => [Settings] => [Fish Finder] => [Display],
then tap the toggle box at [Zoom Marker] to show [ON].
How to use the zoom slider
The zoom slider adjusts the zoom for [Mrk Zoom], [Btm Zoom] and [Btm Lock] display
modes. To show the zoom slider, tap [Home] => [Settings] => [Fish Finder] => [Dis-
play], then tap the toggle box at [Zoom Slider] to show [ON].
8.4.2
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.
8-2
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