FastSlow
Picture and picture advancement speed
1.Press the [MENU/ESC] key to open the menu.
2.Choose PIC. ADVANCE from page 1 of the menu.
3.Press ► to show the options window.
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1/16 |
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Picture advance options window
4.Use ▲ or ▼ to choose picture advance speed desired. The fractions in the options window denote the number of scan lines produced per transmission. For example, 1/8 means one scan line is produced every 8 transmissions. “Stop” freezes the display and it is convenient for observing an echo.
5.Press the [MENU/ESC] key to close the menu.
1.9 Measuring Depth
The VRM (Variable Range Marker) functions to measure the depth to fish schools, etc.
1.Press ▲ or▼ to place the VRM on the object which you wish to measure range.
2.Read the VRM depth just above the VRM.
50k 
1/1
0
VRM
VRM depth 20
39.8
40
60 
49.6
80
How to measure depth with the VRM
1.10 A-scope Display
This display shows echoes at each transmission with amplitudes and tone proportional to their intensities, on the right 1/4 of the screen. It is useful for estimating the kind of fish school and bottom composition.
Note: In the dual frequency display, the
Single frequency display
50k 
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A-scope display
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