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Third-Party Touchscreen Connection Considerations

When connecting a third-party touchscreen to view and control the GPSMAP® 8700 device, you must observe these considerations.

  • The video data is sent over the HDMI® connection.

  • The touch data is sent over the USB connection.


Block diagram with callouts

Devices

Item

Device

Callout number one

GPSMAP chartplotter

Callout number two

Third-party touchscreen monitor

Connections

From

To

Cable

Callout number one

Chartplotter's HDMI OUT port

Callout number two

Monitor's HDMI IN port

Garmin® HDMI Cable

Callout number three

Monitor's USB port

Callout number four

Chartplotter's USB HOST port

Garmin OTG Adapter Cable

NOTE: If the monitor is not a touchscreen, you should install a GRID™ remote control (not a GRID 20 remote control).
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