Sonar On And Pinging; No Sonar Source Available - Raymarine LIGHTHOUSE 3 Advanced Operation Instructions

Sonar on and pinging

If your Fishfinder app has already been set up then when the Fishfinder app is opened the Sonar
image will be displayed and start scrolling.

No sonar source available

If the 'No sonar source available' warning is displayed then either:
• your sonar module is still powering up.
• your MFD cannot establish a connection with your external Sonar module
• your Internal Sonar module has no transducer connected.
Fishfinder app
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