User's Manual

63 The MantaDigital widescreen visual display unit may contain an integral trackerball and
keyboard (desk top mounted) or a trackerball and keyboard (console mounted). The
interfaces to the Radar Processor Unit are:
(1) ON/OFF control to the Processor Unit.
(2) Video from the processor unit to the visual display unit.
(3) An audio signal from the processor unit to the visual display unit to drive the
loudspeaker.
(4) Dual Canbus connection combining data from both the trackerball, keyboard and
display selection switch is located within the Desktop Visual Display Unit, but is
mounted remotely from the Console Mounted Visual Display Units and is
connected to the remote trackerball and keyboard. The processor has a Display
Network Controller (DNC) interface built in.
Visual Display Unit
64 The MantaDigital widescreen visual display units utilise a colour high definition Thin
Film Transistor (TFT) flat screen LCD display mounted in landscape orientation,
together with associated interface and control circuitry. The visual display unit is designed for
daylight and night viewing by means of a dimmable backlight. The visual display unit types are:
Display Size Pixel Resolution Aspect Ratio Screen Size (mm) Radar
Operational
Area dia
520 mm (20-inch) 1680 x 1050 16:10 433.4 x 270.9 258 mm
650 mm (26-inch) 1920 x 1200 16.10 550.1 x 343.8 328 mm
65 The optimal viewing distance for the visual display units are typically:
(1) 520 mm - suitable for seated operation, up to 1 m viewing distance.
(2) 650 mm - suitable for seated and standing operators >1 m viewing distance.
66 The MantaDigital Processor and Visual Display Unit are powered by the ship's
110 V/220 V 50/60 Hz ship's mains.
Issue 5 (Jan 09) Page 1.25
KH2060-1