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Sometimes, you may achieve better images as you decrease the chart
speed to match the speed of your boat.
If you are at anchor, ice fishing or fishing from a dock, experiment with
a chart speed of 25 percent. If you are drifting slowly, try a chart speed
of 50 percent. When you are stationary and a fish swims through the
sonar signal cone, the image appears on the screen as a long line in-
stead of a fish arch. Reducing the chart speed may result in a shorter
line that more closely resembles a regular fish return.
To adjust Chart Speed, repeatedly press
MENU until the CHART SPEED
scroll bar appears. Press
↑ to increase the speed of the chart. Press ↓ to
decrease it. Press
PWR to clear the menu.
To return to the original setting, repeat the steps above, but use the
arrow keys to set the speed to
100% before clearing the menu.
Frequency menu with 200 kHz selected.
Frequency
Your sonar unit can transmit signals at 83 kHz and 200 kHz. The de-
fault frequency is 200 kHz, best used in shallow water (about 300 feet
or less). This frequency is the best choice for about 80 percent of the