Garmin GPSMAP 78sc is a rugged handheld device that features a barometric altimeter and built-in, tilt-compensated 3-axis electronic compass. It also allows you to share your tracks and routes with other compatible devices wirelessly. It uses transflective technology.

Surveyors or water sports person can use this rugged device for navigating the routes from ocean to ocean.

Garmin Gpsmap 78sc Setup

Garmin Gpsmap 78sc Features

Here are a few key features of Garmin GPSMAP 78sc:

  • Preloaded maps
  • Built-in BlueChart G2 coastal charts
  • Share data wirelessly
  • Transflective technology
  • Long battery life
  • Featuring high sensitivity receiver
  • Waterproof

How Do I Use My Garmin Gps 78sc?

To get started with the device and use it, follow the simple steps given below.

At first, you need to install the batteries at the back of your device. After installing them, turn on your device and then make the required settings, such as language. It is essential to acquire satellite signals. To acquire satellite signals for your GPSMAP 78sc, go out to an open area and wait for the device to determine your location. When the GPS bar flashes green, then you can confirm that your device has acquired satellite signals. You can now start creating your waypoints, tracks, and also start the compass calibration. You can quickly navigate the routes through the search menu.

Garmin Gpsmap 78sc Manual

You can quickly download the manual from our support page by just clicking the Manual Download button. It includes the basic instructions for installing and working with the Garmin GPSMAP 78sc. Or else, you can download the manual from the official Garmin site.

  • On your computer, visit the official Garmin site.
  • Enter your product name in the search bar and then click Search.
  • Scroll down to select the manual. Click Manual and then start downloading the manual for Garmin GPSMAP 78sc.

Garmin Gpsmap 78sc Getting Started

It isn’t challenging to get started with Garmin GPSMAP 78sc. Here are the basic procedures for setting up the device.

  • Try installing the batteries by removing the battery cover of your device. You can use alkaline or lithium batteries.
  • After installing the batteries, turn on your device by pressing the Power button.
  • Now, press the left or right arrow button to select the desired language.
  • Next, you need to acquire the satellite signal, which takes about one minute. A GPS bar on your device flashes green when it has acquired satellite signals.
  • You can now create a waypoint and navigate using the search menu.

Compass calibration:

If you’ve changed your batteries or have travelled a very long distance, then you need to calibrate your compass.

  • On your device, start navigating to the compass screen.
  • Press Menu and then select the Calibrate compass option.
  • Rotate your device horizontally.
  • When completed, your device will display a message, Step complete.
  • Finally, flip your device, and then you’ll see a message displaying Calibration successful.

Garmin Gpsmap 78sc Map Setup

To begin with the map setup, navigate to the map screen on your device.

Press Menu and then select Setup Map.

You’ll find these options:

  • Map orientation
  • Guidance text
  • Select the Map Orientation option. Here, you’ll find three types of orientations. You can select one of the types to show your current
  • direction or the desired perspective view.
  • You can also select the Guidance text option to view guidance text on the map.
  • GPSMAP 78sc allows you to measure the distance from your current location.

Here’s how to measure the distance using the map feature.

  • On your GPSMAP, navigate to the map and then press Menu.
  • Now, select Measure distance. Your GPSMAP 78sc starts to measure the distance.
  • You can move the cursor icon to the desired endpoint.
  • The distance of your current location is seen on the top page.

Garmin Gpsmap 78sc Geocaches

Geocaching helps you find hidden caches, whereas hiders provide you with online clues like a treasure hunt game. You can use the Garmin GPSMAP 78sc device to find those hidden caches.

  • At first, start registering your device on the official Garmin website and then connect the device to your computer.
  • Visit the official Garmin website and download the Garmin Communicator plug-in. Also, download geocaches into your GPS device.
  • On your GPSMAP 78sc, navigate to Geocaches.
  • To find a geocache, select the Find a Geocache option and then click Go.

Garmin Gpsmap 78sc System Setup

To begin the system setup for your Garmin GPSMAP 78sc, follow these steps.

  • On your Garmin GPSMAP 78sc, navigate to Setup > System.
  • You’ll find many numbers of options, such as Language, Battery type, and Interface.
  • To set your GPSMAP 78sc to normal mode, select the GPS option. Garmin GPSMAP 78sc not only allows you to set the interface format but also offers you an option to choose the device screen color.

Setting Up Marine Alarms In Garmin Gpsmap 78sc.

Marine Alarms can be set for three different options. They are:

  • Anchor Drag Alarm
  • Off course alarm
  • Deepwater or Shallow water alarm

Here’s how to set a Marine alarm on your GPS device.

  • Start navigating to your device’s Marine settings.
  • Enable the Anchor Drag Alarm option and enter the distance.

If you want to set the Off course alarm, try the below-given steps.

  • On your GPS device, navigate to Setup and then select Marine Settings.
  • Enable the Off course alarm option.
  • Finally, select Done.

Recording Track And Time On Gpsmap 78sc

If you want to record your track, follow the steps given below.

On your Garmin GPSMAP 78sc, navigate to Track Log.

Select one of the following options:

  • Record, Do Not Show
  • Record, Show on Map
  • After selecting the option, select Record Method. In the Record Method section, you can choose Distance, Time, or Auto. After selecting the option, select Recording Interval.
  • Now, your track and time have been recorded.
  • To save your current track, do the following:
  • On your GPSMAP 78sc device, navigate to Track Manager > Current Track.
  • Select the Save Track option to save your track. Or else, select the Save Portion option to save a particular track. After saving, you can start navigating your saved track.

Garmin Gpsmap 78sc Software Update

Ensure that you’ve connected your GPS device to your computer.

  • On your computer, visit the official Garmin GPSMAP website.
  • Download the required software for the Garmin GPSMAP website.
  • Insert the SD card into your computer.
  • Now, start to extract the downloaded file and copy the files from your computer to the inserted SD card.
  • When prompted, select Update Software for updating to the latest version.

Garmin Gpsmap 78sc Troubleshooting

Though you have the best product, Garmin GPSMAP 78sc fails to perform at times. In some cases, your GPSMAP 78sc will not establish a particular location. You can start identifying what causes the problem and try to clear it out to begin successful tracking with your GPSMAP 78sc device.

How To Reset Gpsmap 78sc

Here’s how to reset your GPSMAP 78sc.

  • On your Garmin GPSMAP 78sc, go to Setup and then select Reset.
  • Select the option that you want to reset.
  • Now, you can start resetting your data or delete all tracks or waypoints.
  • After completing the reset process, quit Reset.

Gpsmap 78sc Not Acquiring Satellites

If your device does not acquire any satellite signals, try the below-mentioned solutions.

  • If you’ve accidentally turned off your device, turn on your device.
  • Ensure that you do not take your device to the parking garages or any tall buildings.

Garmin Gpsmap 78sc Will Not Turn On.

If your device does not turn on, then try to remove the batteries. Keep your GPS device aside for a while. Later, reinstall the batteries into your GPSMAP 78sc device.

Now, this should resolve the problem and your data will not be erased.

Garmin Gpsmaps 78sc Won't Power Up.

If your device does not power up, ensure that you change your battery. Try to use lithium or alkaline batteries. You can also use pre-charged lithium or NiMH battery for better results.

Frequently Asked Questions

Here are some of the frequently asked questions about the Garmin 78sc device.

It is easy to delete a waypoint. At first, navigate to the Waypoint manager on your Garmin GPSMAP 78sc. Now, select a waypoint you want to delete in the Waypoint manager. Later, press the Menu option and then choose Delete to delete the waypoint.

Garmin GPSMAP provides you an inexpensive battery that lasts for 24 hours. You don’t have to bother much about replacing the battery. Garmin GPSMAP offers you a prolonged battery life by using the Battery Save option.

  • On your Garmin GPSMAP 78sc device, go to Setup > Display.
  • Enable the Battery Save option.
  • If you are operating your device in below-freezing conditions, then choosing lithium batteries is a great decision. If the battery is used for a very long period, it is recommended to remove the batteries.

To find waypoints, you can use the search menu on your Garmin GPSMAP 78sc device. From any page of your GPS device, press Find and then select Waypoint. After selecting it, choose a waypoint and then click Go to start the navigation.

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