Assign Ipl’s; Land-Water; Depth Offset - Humminbird NS25 Operation Manual

2. Select an interval ranging from 1-15 seconds. The factory setting is 5 seconds.
Note: The larger the interval, the more distance you can cover with the course history trail.
Assign IPL's (information Priority Levels)
Assign IPL's sets the priorities for objects drawn on-screen. See "Views- Customizing the
Display" for more information.
To set IPL's:
1. Select Yes to display the Assign Priority Level menu.
2. Scroll through the objects list to select an object, then assign it a priority level 1-7. Continue
scroll through the objects list to prioritize objects for display according to your preference.

Land-Water

Land-Water inverts the colors for land and water on screen.
To set Land-Water:
1. Highlight Land-Water.
2. Select Normal or Inverted to set the shading for features on the map. The factory setting is
Normal.

Depth Offset

Depth Offset modifies the digital depth readout to display depth from either the waterline or the
keel. Select a positive number equal to the vertical distance between the transducer and
waterline for depth at the waterline; or select a negative number equal to the vertical distance
between the transducer and keel for depth at the keel.