Garmin GPSMAP 66i In-Depth Manual page 17

INREACH UTILITIES PAGE
 Test Service – ensure your subscription is
active and your device is sending and
receiving messages; five free test messages
per month are included on all inReach
subscription plans
 Plan Usage – view a breakdown of types of
messages sent, number of track points sent
and plan details
 Mail Check – prompt the device to check for
messages before the next check interval
 Plan Details – view details of your current
plan