To set a persistent alarm:1. Highlight the Alarms tab on the Main Menu.2. Highlight the box next to the alarm you want to makepersistent.3. Press ENTER to place a check mark in the Persist box.Navigation (Nav) AlarmsThe Nav sub tab contains the following alarms:Next Turn—sets an alarm to indicate the next turn in a route. SelectDist to specify a distance before you reach the next turn to sound thealarm. Select Time to specify a time before the turn for the alarm togo off. Select Auto for the unit to provide a Next Turn alarm at itsdiscretion.Arrival—sets an alarm to sound when you are a specified distanceor time away from a destination waypoint. Select Auto for the unitto provide an Arrival alarm at its discretion.Off Course—sets an alarm to sound when off course. Select On,then enter a distance.Anchor Drag—sets an alarm to sound when you exceed a specifieddrift distance. Select On, and then enter a distance.System AlarmsClock—sets an alarm based on the unit’s clock. Select On, andthen enter a specific time that you want the alarm to sound. TheGPSMAP 276C must be on for the clock alarm to work.Ext. (External) Voltage—sets an alarm to sound when the externalvoltage drops below a specified amount. Select On, and then enter aspecific voltage.DGPS—sets an alarm to sound when the GPSMAP 276C loses adifferential fix.Accuracy—sets an alarm to sound when GPS accuracy falls outsideof the user-set value. Select On, and then enter a specific distance.GPSMAP 276C Owner’s Manual 71MAIn Menu > AlArMs tAb
