Lowrance Mark-5x Pro Operation Manual - Page 14

Sonar Press Menu from any sonar page to access the Sonar menu. Sonar Menu (Advanced Mode) Adjust (Advanced Mode only) Used to make adjustments to Sensitivity, Colorline and Grayline. Sensitivity set to 65 percent. Sensitivity set to 85 percent. Sensitivity Controls the level of detail shown on the display. Too much detail will clutter the screen. If Sensitivity is set too low, desired echoes may not be displayed. Colorline/Grayscale Separates strong sonar echoes from weak sonar echoes. That makes it easier for you to distinguish fish or structure from the bottom. A hard return will be shown as a wide, bright yellow area, whereas a soft return will be a narrow reddishblue area. 12