Fish Finder

Lowrance Mark 4 Review

This article will depict the thorough review of Lowrance Mark 4 fish finder. Let’s dig it deeper. Generally, the fish finder works as the fishing assistant and helps you increase your chances of catching. Thus, you can be able to enjoy your fishing time without any hassle. Fish finder is a very useful tool for the professional fishermen. Apart from the professionals, amateur people who love fishing as their favorite pastime, they can also be very much grateful to this amazing device.

There are so many different options available in the market for the people who are looking for any suitable and best operating fish finders. One of the very popular brands of these appliances is Lawrance who presents different fishing tools of interesting features and innovative functions for providing the best services to the fishing enthusiastic people. Lowrance Mark-4 Combo Base Fishfinder and Chartplotter is such a very creative option coming from the same brand. Hearing the name, you can guess the all rounding services of this appliance. This device does not only work as a fish finder, but also best suits as a chartplotter as well.

Who Need Lowrance Mark 4

  • Professional fishermen.
  • Amateur fishers
  • Pastime lovers
  • Restaurant staffs
  • Businessmen
  • Seasonal fishers


  • Grey scale screen for the ease of identification of the fishes.
  • LED display to prevent your eyes from any pain or strains.
  • Dual sonar beam features for ensuring better area coverage.
  • Budget friendly unit, affordable for all classes.
  • Dual band coverage.
  • Usable unit for both the fresh and saltwater regions.


  • Black and white screen of the fish finder.
  • Not so much detailed manual.
  • You need to reset the device for clearing all the previous data before using again.

Key Features of Lowrance Mark 4 Fish Finder

LED Display Along with Grayscale Feature

Lowrance Mark 4 Combo Base Fishfinder and Chartplotter comes with LED display which provides the protective features for your eyes and helps your eyes by preventing them from the strains. This feature is most helpful when you intend to go for fishing under daylight. This screen measures around 4 inches which ensures to provide you detailed images and greater area of viewing capacity. There is also a backlight included with the display. This feature makes the device handier option for even fishing in the night time and ensures the better view at the darker regions.

Lowrance Mark 4 Combo Base Fishfinder and Chartplotter is a black and white fish finder along with the grayscale feature of the display. The grayscale feature that is available with the display of this fishing tool is another reason of picking this unit from multiple options available in the market. This feature separates the stronger sonar and the weaker sonar echoes and thus it performs its function. That’s why you can be able to distinguish between the structure and the location of the bottom surface of the water quite easily and accurately. This feature also produces the classified sonar returns of soft and hard ones. The soft sonar return produces the thin bluish and reddish zone in the screen.

On the other hand, the hard ones produce bright yellow areas. The resolution of the screen is of the range of 320 X 240 pixels. This high resolution ensures you get clearer and more enhanced views.

Built-in GPS Features

The Ultra accurate Internal Gps Antenna is built in this amazing fishing tool. These features will help you to find out the accurate and precise information regarding your targeted locations. You can also get the details of the position of the fishes, bait, pits, and all the elements of the underwater world. The GPS item of this unit works along with the chart plotter and together they make your marking quite effective and you can go for the successful exploration with this satellite technology supported GPS features.

ChartPlotting Criteria

Lowrance Mark 4 Combo Base Fishfinder and Chartplotter is a feature rich fishing tool. Apart from the fish finding option, it can also works as a chart plotter. You can enjoy this chart plotting features of this amazing tool with the built in GPS antenna within this device. Mark 4 is equipped with the Navionics Gold Cartography technologies. You will also get some additional features along with this technology like the micro SD card slot which will make your cartography options more fruitful. This technology is so enriched that you can even get all the functions of Navionics Hotspots Pro and the Navionics Premium.

All these functions of the available technology help you to explore the bottom surface quite well with this fishing assistant device. The built in GPS of the item can explore everything within its height limit and provide you the info you require. These features also mark the spots, and help you from the burden of remembering the spots. Thus you can enjoy your pastime to its fullest with this unit.

Transducer Mounted Fish Finder

You will get the upgraded versions of the Lowrance Mark 4 Combo Base Fishfinder and Chartplotter mounted with this transducer. This transducer has the combo of the dual sonar beam. The range of frequencies of the two different sonar beams is different. The first sonar has the frequency of a bit smaller, and it is 83 kHz. This small ranged frequency of the sonar will allow the users get the broader cone angle. Moreover, this frequency also ensures increased coverage area below the water surface.

On the contrary, the greater ranged frequency sonar beam consists of 200 kHz. This one is much more sensitive in nature than the smaller one. This high range frequency of the sonar beam provides excellent services in the shallow water as it is equipped with amazing target discrimination. This dual beam sonar feature capability of the transducer mounted fish finder allows the consumers to have the perfect fishing time in both the shallow water and the deep water. You can also enjoy its services regardless the salt water or the fresh water. This transducer also ensures to enjoy the maximum depth capability up to 1000 feet for the fishermen.

Trackback Features

Another important and exciting feature of this device Lowrance Mark 4 Combo Base Fishfinder and Chartplotter is its trackback features. This tool is equipped with this integrated trackback feature which will save all the recent sonar data from the history and also make you able to return the info whenever you will need them. Thus, you can access to the previous stored fish targets, and also be able to recheck the previous exploration results saved in the device. This function is also very easy to complete. All the things you just need are to moving the cursor of the tool on the left side of the device through the history of the sonar display to create some reverse movements. By using this exclusive feature, you can save your valuable time what you might need to waste to retrace the paths of the fishes.

Ease of the Services

If you are a beginner and are going to use this device for the first time for your fishing purposes, you just need not be worried at all. Lowrance Mark 4 Combo Base Fishfinder and Chartplotter is one of the easiest fish finders you will experience while using. This unit comes up with the quick release tilting features as well as the swivel bracket options. Thus this one is the most convenient fish finders for your operation. The operation of this item is very much straight forward and simpler to handle by the new users.

Menu settings options and all other controlling options of the device are also easy to handle. You can also go for one hand operation with this item for making your fishing experience more suitable. Thus, the faster fishing can be done by the users with this fish finder. For more of your conveniences, you will get an optional manual available with its package, that will provide you all the necessary suggestions to control this fish finder. Comparing all other models and brands of similar tools, Lowrance Mark-4 Combo Base Fishfinder and Chartplotter is the best option available for the beginners and the professional fishers.


Will this unit help by storing the data related with the fishing hot spots?

Yes, you can save all the information relating your hot spot of the fishing by using this device. This unit comes up with the upgraded Navionics hotspot technologies, and it ensures the storage up to 3000 waypoints and at the same time the labels of all these points. Thus, you won’t face any problems while using this unit.

What type of transducer is mounted with this fish finder?

Well, like all other fish finder models, Lowrance Mark-4 Combo Base Fishfinder and Chartplotter also comes up with the mounted transducer with it, and this transducer is of transcom mount dual option with 83 by 200 kHz options.

What will be the range of maximum depth capacity of this unit?

This device comes up with the dual beam sonar feature and it will provide you the services of finding fishes and exploring the down world up to the maximum depth range of around 1000 feet.

In which types of the watery surfaces this product will be best suitable?

You can use this Mark-4 fish finder to varieties of different regions and for different locations of the earth. This unit is good for fishing in the deep water level along with the shallow ones. You can also use the product for the salty water spots and also in the fresh water regions. It’s totally up to you where you like to use the product for your fishing purposes.

Bottom Line

Finally, Lowrance Mark 4 Combo Base Fishfinder and Chartplotter is one of the best options if you want to learn the fishing techniques. This item is a very user-friendly option for the newer fishermen. On the other hand, it has lightweight body and one hand operative feature. So, beginners will get an advantage. The professionals should not lose their interest as this appliance also provides all of their required tasks. Enjoy your fishing time with Lowrance Mark 4 Combo Base Fishfinder and Chartplotter.