Garmin Fishfinder 250 Owner's Manual

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Garmin Fishfinder 250 Owner's Manual Manual pdf 29 page image

BASIC OPERATION > U SING THE MAIN MENUFishfinder 250/250C Owner’s Manual 25Temp (Temperature) TabThe Temp tab displays the water temperature log (if equipped witha temperature transducer/sensor). The graph reads from right to left,so the most recent temperature measured is displayed on the far rightside of the graph. The dotted lines within the graph indicate intervalsin the temperature scale and the duration of time.Main Menu—Temp tabThe following settings are available:• Log and Graph Scale—sets the temperature range (indegrees) for displaying the log. Select Auto to have the unitdetermine the best range, or select a span of 2, 4, 6, 8, or 10degrees.• Reset (Scale)—resets the scale range for the temperaturegraph (and displays if Log and Graph Scale is set to Auto).This is useful when the scale spans a large range due toextreme temperature changes.• Log Duration—sets how fast or slow the temperaturelog scrolls; the shorter the time duration, the faster thetemperature log scroll. Select a duration from 1 minute to 2.5hours.Alarms TabThe Alarms tab contains settings for the unit’s alarms. (For a list ofalarms and unit messages, see page 37.) This tab is divided into twosubtabs—Sonar and System.Main Menu—Alarms tabSonar subtabMain Menu—Alarms tabSystem subtab