Garmin GMI 20 - Manual (Page 11)

GMI 10 Quick Start Manual 11
DST (Daylight Saving Time)—
indicate whether you want
daylight saving time Off , On ,
or Auto . The auto setting turns
daylight saving time on or off,
depending on the time of year.
Speed Sources—select what sensor
to use when determining Fuel
Economy and Wind speed.
GPS Skyview—view GPS
satellites.
System Information—view unit
software information.
Factory Defaults—reset the unit to
factory defaults.
• Setting Alarms
To set alarms on the GMI 10, from
the instrument screen, select Menu
> Setup > Alarms .
Shallow Water—set an alarm to
sound when the depth is less than
the specified value.
Deep Water—set an alarm to sound
when the depth is greater than the
specified value.
Surface Temperature—set an
alarm to sound when the transducer
reports a temperature that is
2°F (1.1°C) above or below the
specified temperature.