Garmin Fishfinder 250 Owner's Manual

Also see for Fishfinder 250: Owner's manual Template manual

Garmin Fishfinder 250 Owner's Manual Manual pdf 18 page image

NumericdataDepthscaleFlasherCurrent adjustmentoptionFish arches(simulated)BottomThermoclineFrequency modeBASIC OPERATION > U SING THE SONAR PAGE14 Fishfinder 250/250C Owner’s ManualUsing the Sonar PageThe Sonar page is where your Fishfinder 250/250C becomes apowerful fishfinder/flasher. If the unit does not detect a transducer,a “Sonar Turned Off” message is displayed on the Sonar page. If inSimulator mode, a “Running Simulator” message appears.You can adjust the unit’s backlight and contrast settings to improvescreen readability.To change the backlight/contrast settings:1. Press and release POWER/BACKLIGHT to display thelight/contrast adjustment window. The adjustment windowautomatically disappears when idle for 20 seconds.2. Press the Up or Down ARROW keys to change the backlightsetting. Press and release POWER/BACKLIGHT to togglethe backlight setting between maximum, user-set, andminimum brightness levels.3. Press the Left or Right ARROW keys to change the contrastsetting.4. Press ENTER to return to the Sonar page.The currently selected adjustment option (page 17) is displayed inthe top left of the screen. Directly below the adjustment option, thescreen displays numeric data such as Depth, Water Temperatureand Water Speed (pages 23-24). The middle of the page containsa right-to-left moving sonar image of the water beneath your boat.Items appear as they pass under your transducer. Items on the rightside of the screen are closer to you than those on the left. Along theright side of the screen is a scale that reflects the depth of the areabeing displayed.