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9. UNDERSTANDING THE
E Q U I P M E N T
9.1 The Chartnav Control Unit
The Chartnav Control Unit contains the Chart Card Reader,
Trackerpad and Function keys. The page and menu controls
are clustered together for quick and easy operation. The
Keyboard has an audible beep feature, so you can easily tell
when the key press has been accepted, and the unit is backlit
for easy operation at night.
Figure 24 - The Chartnav 343
9.2 The Chart Cards
The Chartnav operates with C-MAP electronic cards and its
own internal Cetrek operating software. You must have the
correct C-MAP CF95 cards for your region, just as you would
paper charts.
The internal card reader has 2 slots, it does not need a card in
each slot in order to operate. Equally it is not important which
slot the card is in.
The internal software of the Chartnav has a basic World map
always available but greater detail cards are needed.
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