Select your product to confirm this information applies to you

Access Navionics Charts and Features on Marcum MX-7GPS Plotters

Plotter Software

IMPORTANT: Plotter manufacturer’s latest software updates required.
Check your plotter’s software by pressing the MENU button and select SYSTEM SETTINGS. Version will be listed in the lower-right corner.
Current chart plotter/sounder software update versions
NOTE: Do not use your Navionics® card to update your plotter software or have it in your plotter when you update.


Chart Layers

SonarChart™ OFF = Nautical Chart – official charting detail
SonarChart ON = SonarChart – high-definition bottom contour detail
Go to Menu > GPS Map > Settings > SonarChart


Navionics Recommended Chart Settings

Go to Menu > GPS Map > Settings to access:
Details (All)
Depth Contours (All)

Optional Chart Settings/Features

2D Shading (On/Off) – Gives maps a textured view
Dynamic Icons (On/Off) - Tides/Currents
Easy View (On/Off) - Text and icon magnifying feature
[Navionics] Community Edits (On/Off)

Features Available With Navionics Platinum+™ Products

Satellite Imagery, Relief Shading or Sonar Imagery

Menu > GPS Map > Settings > Layers = Land and Sea
Transparency: 0 = Full Overlay (harder to see chart details) or 100 = Less Overlay (harder to see overlay details)

Panoramic Photos

Target a camera icon using your cursor and select the pop-up to display detailed information.

3D Views


Menu > GPS Map > Settings > 2D/3D
Allows for a three-dimensional view of water contours with the ability to pan and rotate the chart information at different angles.


Navionics Advanced Features

Advanced Features are included with an active subscription for updates on your chart plotter card. Not all features are available for all models. See our Compatibility Guide for the most current information.

Advanced Map Options

Menu > GPS Map > Advanced

SonarChart Density – density of contours displayed on SonarChart layer
Fishing Range – select a range of depths to fill with a different color
Shallow Water – highlights shallow water between 0 and up to 10m/30ft

SonarChart Live

  1. Go to Menu > GPS Map > Settings
  2. SonarChart (On); Depth Contours (ALL)
  3. Go to Menu > GPS Map > Advanced
  4. Select Sonar Log > Record

Transparency – 0 = Full Overlay (harder to see chart details) or 100 = Less Overlay (harder to see overlay details)

Minimum Depth – All contour lines up to that depth will display
SonarChart Live Tide Correction – Allows contours to be adjusted according to nearest tide station (coastal marine waters)