USING THE 150SX
CONTROL FUNCTIONS
Light. LIGHT controls the unit’s display backlight. With the unit powered on, press LIGHT once to turn the backlight on “high.” Press LIGHT a second time to turn the backlight on “low,” and a third time turns the backlight off. The backlight is very effective for low- light and nighttime operation. When the backlight is on, the 150SX will consume more power than with the backlight off. This is important when using the 150SX in a portable configuration powered by a separate battery, or when powering the unit from a trolling motor battery.
When powering the unit from a battery such as in portable applications, you can prolong the battery life by using the backlight at a minimum.
The three lower buttons, MENU, UP ARROW, and DOWN ARROW work together to control the 150SX
Menu. MENU displays a menu
after a short pause. A menu remains
Arrow Keys. The UP ARROW and DOWN ARROW make adjustments to menu functions. On the left side of every menu there are UP ARROW and DOWN ARROW symbols.
The ARROW buttons often can be used when no menu is
11