Operator's Manual

2. OPERATIONAL OVERVIEW
2-12
2.1.7 Overlay/NAV Tools box
2.1.8 Alert box
2.1.9 Permanent warning box
The Overlay/NAV Tools box sets up
the following:
• TT/AIS
• Echo (radar overlay)
• Parallel index lines
• Range rings
• Predictor (predicts ship’s future
movements)
• Under the keel clearance graphic
• Anchor watch
• Check area
See chapter 13 and 14 for TT/AIS de-
scriptions. Refer to section 16.2 for the
radar overlay.
The [Alert] box shows operational and system
alert messages, with alert ID no. and alert mes-
sage. See chapter 20.
The permanent warning box displays chart-related
warning messages. The box cannot be closed or min-
imized.
Page
selection
buttons
Minimize button
Page name
