Garmin GPSMAP 66i In-Depth Manual page 38

SENDING CUSTOM MESSAGES – GPSMAP 66i
Custom Messages
You can send custom messages from your
GPSMAP 66i or paired Garmin Explore app.
Sending Custom Message from GPSMAP 66i:
1. Select the Messages page
2. Select New Message or select a message
to reply to > Reply
3. Select Type Message
4. Choose or enter recipients
5. Enter message content > select Done
6. Select Send Message
Note: Sent and received messages both count towards message
total.