7
5. Overview
of Standard
Features
5.1 Switching on for the first time
The C100 receives signals from the network of 24 satellites orbiting the
Earth, called the Global Positioning System, and uses the latest SiRF Star III
GPS technology to work out where you are every second.
When the C100 is searching for satellite lock the display will show “GPS”.
Once satellite lock is achieved, a voice alert will confirm “GPS ready” and
your current speed will be displayed. The first time your C100 is switched
on, it may take up to 20 minutes to calculate its current position and lock
on to the satellites. This is normal and happens with all GPS-based devices.
If you use the C100 regularly, subsequent satellite lock will be greatly
reduced; normally between 5 seconds and 2 minutes.
5.2 GPS Speedo
The C100 calculates your vehicle’s speed using GPS data. The speed
reading is continually updated and is extremely accurate when you are
driving at a steady speed. As with all GPS speedo systems there will be a
slight lag during accelerating or decelerating while the GPS data is being
refreshed.
You may notice a slight difference between the GPS speed reading and the
speed displayed by your vehicle’s instruments. This is normal, because car
manufacturers always build in a slight tolerance to their displayed speed
for safety reasons.
The C100 also has a very handy adjustable “Overspeed Alert” feature
which warns you whenever you drive above your chosen speed limit
setting.
Содержание C100
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