CR44/54 Introduction and safety summary Chapter 1-1
1.1 Introduction and system familiarization
Congratulations on your purchase of SIMRAD CR44/54 ChartRadar - a
combination of the latest GPS and SDGPS receiver technology and optional
built-in differential receiver for accurate positioning, plus: detailed cartogra-
phy and high performance radar technology; all in a unique slim-line design
with a bright 10” ATFT/TFT (CR44) or 15” TFT (CR54) color display.
The radar system with dual EBL and VRM markers, direct Quick-range keys,
off-center mode, etc. together with Dual Radar feature ... two radar displays in
one screen, one for short range and one for long distance observations.
The electronic chart system includes a built-in world chart for rough plan-
ning and overview. The choice of chart system best suitable for the CR44/54
was carefully singled out to be the C-MAP NT+ mini cards. The optional C-
MAP charts are available world-wide at your local Simrad dealer.
The Global Positioning System is at this time and age the most common
system used for navigation and positioning all over the world. Not only for
maritime use, but also for land-based applications and aviation. The satellite-
based system has been developed and is operated by the US Department of
Defense in order to provide an accurate and reliable service, which include a
24-hour global coverage.
The GPS system consists of approx. 24 satellites which orbit around the Earth
at an altitude of approx. 20,200 km.
The satellites transmit perfectly synchronized data. However, depending on
the position, the signals will reach the receiver at a slightly different time. By
adding the measured time difference to the known position of the satellites it
is possible to calculate the ship’s position to within a few meters.
DS44/54 Dual Station for the CR44/54 is available with a bright 10” ATFT/
TFT or 15” TFT color display. The main unit and the dual station are identical
in design and operation.
How to use this manual? This manual is written for the products: CR44 and
CR54, which share the same type of software. From hereon, these models will
be referred to as: CRXX.
It is a good idea if you make yourself familiar with the key functions, menu
structure and rotation of pages (screens) described in chapter 2 before you
start out, and then proceed with section 2.7 Initial start-up. For quick location
of a certain term, please check the “Glossary of terms” and the “Index” at the
back of the manual. Also, “How to get started” further on in this chapter will
give you a quick introduction to some of the features you have access to in
your new ChartRadar.
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