Garmin ZUMO-390 user manual

The battery life of a Garmin Zumo device can vary depending on usage and settings. However, on average, the battery of a Garmin Zumo-390 can last around 4-6 hours of continuous use. It is important to note that using features like Bluetooth, music playback, or frequent screen brightness adjustments can contribute to a shorter battery life.

To reset a Garmin Zumo 390, you can follow these steps:
1. Turn off the device, if it is currently on.
. Locate the "Power" button on the side of the device and press and hold it.
3. While holding the "Power" button, simultaneously press and hold the "Brightness" button, which is located above the screen.
4. Continue holding both buttons until the device powers on and displays a "Do you really want to erase all user data?" message on the screen.
5. Release both buttons and select "Yes" using the touch screen.
6. Wait for the device to reset. It may take a few minutes. Once the reset is complete, the device will power on and display the initial setup screen.
Note that resetting the device will erase all user data, including waypoints, routes, and preferences.

To update your Garmin Zumo 390, you can follow these steps:
1. Connect your Garmin Zumo 390 device to your computer using a USB cable.
. Visit the Garmin website and download the Garmin Express application for your computer (Windows or Mac).
3. Install and launch Garmin Express on your computer.
4. Garmin Express will automatically detect your connected device and prompt you to add it to your Garmin Express account. If you don't have an account, you'll need to create one.
5. Once added, Garmin Express will check for available updates for your Zumo 390. If any updates are available, click on the "Install" button to begin the update process.
6. Follow the on-screen instructions to complete the update. Make sure to keep your device connected to the computer during the update process.
7. Garmin Express will download and install the updates on your Zumo 390. This process may take some time, so be patient and do not disconnect the device.
8. Once the update is completed, Garmin Express will notify you, and you can safely disconnect your Garmin Zumo 390 from the computer.
It's always recommended to fully charge your Zumo 390 before performing any updates to ensure a smooth process.