Pioneer CNDV-50MT - Manual (Page 65)

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Touch Panel Operation when
using NAVI source
When the system is combined with the Pioneer
AV Head Unit or AV System Display, if you use
the built-in DVD player to play a DVD-Video or CD
when using the NAVI Source, the operation
buttons are displayed on the screen and a few
limited operations can be performed.
1. Switching the source
2. During DVD playback: Forwarding/
rewinding the chapter.
During CD playback: Forwarding/
rewinding the track.
3. For future use.
4. Cancelling the operation buttons.
Cautions when connecting a
Rear Display to the Front
Display
The map screen navigation images output to the
rear display differ from standard NTSC format
images. Therefore, their quality will be inferior to
the images that appear on the front display.
➲ Switching the rear display ➞ the manual for
the display you are combining.
Positioning Technology
The Navigation System accurately measures your
current location by combining the positioning by
GPS and by Dead Reckoning.
Positioning by GPS
The Global Positioning System (GPS) uses a
network of satellites orbiting the Earth. Each of
the satellites, which orbit at a height of 21,000
km, continually broadcasts radio signals giving
time and position information. This ensures that
signals from at least three can be picked up from
any open area on the earth’s surface.
The accuracy of the GPS information depends on
how good the reception is. When the signals are
strong and reception is good, GPS can determine
latitude, longitude, and altitude for accurate
positioning in three dimensions. But if signal
quality is poor, only two dimensions, latitude and
longitude, can be obtained and positioning errors
are somewhat greater.
Positioning by dead reckoning
The 3D Hybrid Sensor in the main unit also
calculates your position. The current location is
measured by detecting driving distance with the
speed pulse, the turning direction with the
Gyrosensor, and inclination of the road with the G
sensor.
The 3D Hybrid Sensor can even calculate
changes of altitude, and corrects for
discrepancies in the distance travelled caused by
driving along winding roads or up slopes. Also,
the Navigation System learns the driving
conditions and stores information in the memory;
thus, as you drive more, the precision of the
positioning becomes more accurate.
The method of positioning changes as follows
depending on whether the speed pulse of your
vehicle is detected or not:
3D hybrid mode
This is active when the speed pulse is detected.
Inclination of a road can be detected.
Simple hybrid mode
When the speed pulse is not detected,
positioning is performed in this mode. Only
horizontal movement is detected, so it becomes
less accurate. Also, when the positioning by GPS
is not available, such as when your vehicle enters
(e.g. When AVH-P5700DVD is connected)
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MAN-CNDV-50MTP-EN.book Page 63 Friday, April 29, 2005 10:33 AM