Raymarine e7D, Installation And Operation Handbook, Page: 228 / 270

Menu item Description Options
• 2 ft (or equivalent units) to the maximum of the
transducer range
Guard Zone The Guard Zone feature in the radar application triggers an alarm
when a target is within a specified zone. You can adjust the
sensitivity of the alarm. Ensure that the sensitivity is not set too
low, or targets may be missed and the alarm will not be triggered. Guard Zone Sensitivity
• 1% to 100%
Off Track When set to On, during active navigation an alarm is triggered
when your vessel steers off-track more than the value you
specify for the Off Track XTE setting. Off Track Alarm
• Off (default)
• On
Off Track XTE
• 0.01 to 9.99 nm (or equivalent units)
Sea Temperature When set to On, triggers an alarm when the sea temperature is
equal to or lower than the limit you specify for the Lower Temp
Limit or equal to or greater than the limit you specify for the
Upper Temp Limit setting. Sea Temperature
• Off (default)
• On
Lower Temp Limit
• 60 degrees fahrenheit (or equivalent units)
• –09.9 to +99.7 degrees fahrenheit (or equivalent
units)
Upper Temp Limit
• 75 degrees fahrenheit (or equivalent units)
• –09.7 to 99.9 degrees fahrenheit (or equivalent
units)
Waypoint Arrival When you arrive at a waypoint, an alarm is triggered. This
setting allows you to specify the distance from the target
waypoint at which the alarm is triggered. The units used for this
setting are based on the units you specify for distance in the
Units Set-up menu.
0.01 to 9.99 nm (or equivalent units)
228 e7 / e7D / e95 / e97 / e125 / e127 / c95 / c97 / c125 / c127