How to Adjust Brightness on Garmin Fish Finder?

Navigating the waters with a fish finder can be an exhilarating experience. 

But, like any electronic device, ensuring optimal visibility is key to maximizing its utility. 

If you’re using a Garmin fish finder, you might be wondering how to adjust its brightness for the best viewing experience. 

In this guide, we’ll explore the various methods to modify the brightness settings on your Garmin Fish Finder Screen.


how to adjust brightness on garmin fish finder

How to Increase/Change/Set Brightness on Garmin Fish Finder?

Increasing the brightness can be crucial during sunny days when the sun’s glare might make the screen appear dim.

Sometimes, you might need to decrease the brightness, especially during the night or in low-light conditions to avoid straining your eyes.

Step 1: Power on your Garmin fish finder.

Step 2: Navigate to the ‘Settings‘ or ‘Menu‘ option on the main screen.

Step 3: Look for the ‘Display‘ or ‘Brightness‘ option.

Step 4: Use the arrow keys or the touch screen (depending on your model) to increase the brightness level to your desired setting.

how to increase brightness on garmin fish finder

FAQs on Adjusting Brightness on Garmin Devices

Several reasons could cause a dark Garmin screen:
  1. The brightness setting might be set to a low level.
  2. Power-saving mode could be activated, dimming the screen.
  3. There might be an issue with the device’s backlight.
For optimal visibility, ensure the brightness is adjusted correctly and check if power-saving mode is turned off.
If your Garmin Striker 4 backlight isn’t working:
  1. Restart the device to see if it’s a temporary glitch.
  2. Check if the device is receiving adequate power.
  3. Ensure the brightness setting isn’t set to the lowest level.
  4. If the problem persists, it might be a hardware issue, and you should contact Garmin support or visit an authorized service center.


Adjusting the brightness on your Garmin fish finder is a straightforward process, but it can significantly enhance your fishing experience. Whether you’re looking to increase, change, set, or simply brighten the screen, the steps mentioned above will ensure you get the best visibility out of your device. So, the next time you’re out on the waters, remember these tips to make the most of your Garmin fish finder.

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