Garmin Fishfinder 90 Owner's Manual - Page 24

OPERATING YOUR FISHFINDER > USING THE SETUP MENU Auto Gain-controls the aggressiveness of the Auto Gain. The higher the setting, the greater the number of targets appear on the screen. The lower the setting, the less clutter on the screen. The settings are High, Medium (default), and Low. Numbers Size-sets the appearance of depth, temperature, and battery numbers. The settings are Small and Large (default). Battery-sets whether the current battery voltage appears on the screen. The settings are Hide (default) and Show Water Temperature-sets whether the water temperature appears on the screen. This appears only if you have a temperature-capable transducer. The settings are Hide and Auto (default). Units Depth-sets the measurements in Feet (default), Meters, or Fathoms. Temperature-sets the water temperature units. The settings are Fahrenheit (default) and Celsius. System Simulator-controls the simulator mode. The settings are Off and On (default). See page 4 for more information. Language-sets your language choice. Beeper-controls all Fishfinder sounds. The settings are Off and On (default). Contrast-adjusts the contrast of the screen to compensate for light levels or viewing angles. Use the Arrow keys to increase or decrease the screen contrast. Defaults-restores all default settings. 18 Fishfinder 90/140 Owner's Manual