Calibrating the Barometric Altimeter
You can manually calibrate the barometric altimeter if you know
the correct elevation or the correct barometric pressure.
1
Go to a location where the elevation or barometric pressure
is known.
2
From the altimeter, select MENU.
3
Select Altimeter Setup > Calibrate Altimeter.
4
Select Method to select the measurement to use in
calibration.
5
Enter the measurement.
6
Select Calibrate.
Connected Features
Connected features are available for your GPSMAP 66 series
device when you connect the device to a wireless network or a
compatible smartphone using Bluetooth technology. Some
features require you to install the Garmin Connect
™
app or
Garmin Explore app on your smartphone. Go to garmin.com
/apps for more information.
Bluetooth sensors: Allows you to connect Bluetooth
compatible sensors, such as a heart rate monitor using the
Garmin Connect app.
Connect IQ
™
: Allows you to extend your device features with
widgets, data fields, and apps using the Garmin Connect
app.
EPO Downloads: Allows you to download an extended
prediction orbit file to quickly locate GPS satellites and
reduce the time it takes to get an initial GPS fix using the
Garmin Connect app or when connected to a Wi‑Fi
®
network.
BirdsEye imagery: Allows you to download BirdsEye Satellite
Imagery directly to your device when connected to a Wi‑Fi
network.
Garmin Explore: The Garmin Explore app syncs and shares
waypoints, tracks, and routes with your device. You can also
download maps to your smartphone for offline access.
Live Geocache Data: Provides paid or subscription-free
services to view live geocache data from
www.geocaching.com using the Garmin Connect app or
when connected to a Wi‑Fi network.
LiveTrack: Allows friends and family to follow your activities in
real time. You can invite contacts by sending an inReach
message from the field. This feature allows your contacts to
view your live data on a MapShare tracking page using your
Garmin Explore account.
Phone notifications: Displays phone notifications and
messages on your GPSMAP 66 series device using the
Garmin Connect app.
Software Updates: Allows you to receive updates for your
device software using the Garmin Connect app or when
connected to a Wi‑Fi network.
Active Weather: Allows you to view current weather conditions
and weather forecasts using the Garmin Connect app or
when connected to a Wi‑Fi network.
Connected Feature Requirements
Some features require a smartphone and a specific app on your
smartphone.
Feature Connected to a Paired
Smartphone with the
Garmin Connect App
Connected to a
Wi‑Fi Network
Software updates Yes Yes
EPO downloads Yes Yes
Live geocache data Yes Yes
Feature Connected to a Paired
Smartphone with the
Garmin Connect App
Connected to a
Wi‑Fi Network
Weather Yes Yes
Phone notifications Yes
1
No
Connect IQ Yes No
BirdsEye Direct
imagery
No Yes
Pairing a Smartphone with Your Device
1
Bring your compatible smartphone within 10 m (33 ft.) of your
device.
2
From the main menu on your device, select Setup >
Bluetooth.
3
On your compatible smartphone, enable Bluetooth
technology, and open the Garmin Connect app.
4
Follow the on-screen instructions in the Garmin Connect app
to pair your device.
5
Download and open the Garmin Explore app.
6
Log in to the Garmin Explore app using your Garmin Connect
username and password.
7
Select the device option to pair your device with the Garmin
Explore app.
Phone Notifications
Phone notifications require a compatible smartphone to be in
range and paired with the device. When your phone receives
messages, it sends notifications to your device.
Viewing Phone Notifications
Before you can view notifications, you must pair your device with
your compatible smartphone.
1
Select > Notifications.
2
Select a notification.
Hiding Notifications
By default, notifications appear on the device screen when they
are received. You can hide notifications to prevent them from
appearing.
Select Setup > Bluetooth > Notifications > Hide.
Managing Notifications
You can use your compatible smartphone to manage
notifications that appear on your GPSMAP 66i device.
Select an option:
• If you are using an iPhone
®
device, go to the iOS
notifications settings to select the items to show on the
device.
• If you are using an Android smartphone, from the Garmin
Connect app, select Settings > Smart Notifications.
Connecting to a Wireless Network
1
Select Setup > Wi-Fi.
2
If necessary, select the toggle switch to enable Wi‑Fi
technology.
3
Select Add Network.
4
Select a wireless network from the list and enter the
password, if necessary.
The device stores the network information and connects
automatically when you return to this location.
1
The device receives phone notifications from a paired iOS
®
phone directly, and
through the Garmin Connect app on an Android
™
phone.
6 Connected Features
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