The handy and buoyant GPSmap 78 is equipped with high-quality display technology, with a WAAS-enabled GPS receiver with high sensitivity and with HotFix™ satellite prediction. The striking TFT colour display with 256 colours is suitable for any ambient light, it is very well readable even in bright sunlight. Battery life up to 20 hours. The device has ergonomically designed non-slip rubber side grips. The device is even floatable! A microSD card slot is available for cartograpy, in addition to the internal memory (1.7 GB). The GPSmap 78 is equipped with a built-in worldwide basemap and a USB port, and it is BlueChart g3 - REGULAR compatible (please update the Firmware of the GPSMAP 78 with the Garmin Express Software to Version 7.20 or higher). Comes with manual and USB cable.
Chart module:
SD / Micro SD![]() |
CompactFlash![]() |
C-Card MAX orange![]() |
C-Card NT + black![]() |
Compatible with the following nautical charts:
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Garmin Bluechart G3 - REGULAR (firmware version 7.20 or higher - update via Garmin Express)
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Nautical chart features:
| Chart system | Vector charts | Shaded depths and shorelines | Harbor charts | Tidal areas | Fishing permits / Bathymetric contours | Auto Guidance | 3D Mariner's Eye / Fish Eye |
| Garmin Bluechart G3 - REGULAR |
does this display a 'rolling road'? Can I transfer Open CPN data via my laptop to it - routes and waypoints
Hi Michael, sorry it doesn't have this "rolling road" mode. Please check which data type you want to transfer. This device supports .adm and .gpx files for transferring routes and waypoints.
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