HDMI Video Considerations

NOTICE

To prevent corrosion due to moisture, you must use Garmin® GPSMAP® accessory cables when connecting the chartplotter to the video source or display. Do not connect a media player stick directly into the back of the chartplotter. Using different cables or connecting a media player stick into the back of the chartplotter voids your warranty.

The GPSMAP 8700 chartplotter allows video input from HDMI® video sources, such as a Chromecast™ device. You cannot view protected HDMI content (HDCP content), though. Check the video source's manual to verify that HDCP can be turned off for the source.

HDMI video is shared across the Garmin Marine Network, but it is not shared across the NMEA 2000® network.

Through the HDMI OUT port, you can display the video on screen, such as a television or monitor.

The Garmin GPSMAP HDMI accessory cable is 4.5 m (15 ft) long. If you need a longer cable, you should use an active HDMI cable only. You need an HDMI coupler to connect the two HDMI cables.

You need a Garmin GPSMAP USB OTG adapter cable to power a media player stick. The USB HOST port can supply up to 2.5 W to power a media player stick.

You must make all cable connections in a dry environment.


Block diagram with callouts

Devices

Item

Device

Callout number one

HDMI source, such as a Chromecast device

Callout number two

GPSMAP chartplotter

Callout number three

Monitor, such as a computer or television

Connections

From

To

Cable

Callout number one

HDMI source's HDMI OUT port

Callout number two

Chartplotter's HDMI IN port

Garmin HDMI Cable

Callout number three

Chartplotter's HDMI OUT port

Callout number four

Monitor's HDMI IN port

Garmin HDMI Cable

Callout number five

Chartplotter's USB OTG or USB HOST port

Callout number six

HDMI source's USB HOST port

GPSMAP USB OTG adapter cable to power the HDMI source, if possible (2.5 W maximum)

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