Nielsen-Kellerman ClearNav User Manual
Page 15
NK ClearNav Manual • Version 0.5 • July 3, 2008
Page 15 of 86
2.1.1 ClearNav Display
The ClearNav “Display” is much more than a display. It includes:
• Large and bright LCD display
• Computer running the Windows CE.NET operating system. This operating system is similar to,
but different from the Windows Mobile operating system used in Pocket PCs such as HP iPAQs.
CE.NET can be thought of as the “industrial” version of the Windows Mobile operating system.
• ClearNavigator soaring flight software
• GPS engine and connector for external GPS antenna
• Pressure sensor for altitude measurements
• GPS Flight Recorder (IGC approval expected in 2008)
• Built‐in SD memory card reader (in the side of the unit)
• 2 RS‐232 serial ports for exchanging data with variometers, FLARM units, etc.
The connections to the RS‐232 ports are on the Nexus Wiring Board
• 2 CAN bus ports for connection to remote controls and 2
nd
seat displays, etc.
The connections to the CAN bus ports are on the Nexus Wiring Board.
• USB Port for reading and writing to USB Flash Drive memory sticks
There is one USB port on the back of the display and a remote USB port on the panel mounted
CAN/USB Extension port – for easy access.
• Size: 4.25"w x 5.83"h x 1.22"d (108mm x 148mm x 31mm)
• Display Size: 3.39"w x 4.53"h (86mm x 115mm)
• Screen Resolution: 240 x 320 pixels
• Backlight: CCFL (Cold Cathode Fluorescent Lamp) backlight. Nominal luminance is 700
Candelas/m^2 (nits), achieved with a single lamp that goes around 3 sides of the LCD. NK
provides lamp overdrive capability up to 1100 nits for severe ambient conditions such as flying