Installation; Installation Of Main Unit; Installation Of Antenna Unit; Cabling - NSR Marine NGR-3000 User Manual

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6. INSTALLATION

The main unit can be installed on a table-top, on the overhead, or in a panel (optional flush

mounting brackets required). Refer to the drawings at the end of this manual for installation

instructions. When selecting a mounting location, keep in mind the following points:

⚫ Locate the unit away from exhaust pipes and vents.

⚫ The mounting location should be well ventilated.

⚫ Mount the unit where shock and vibration are minimal.

⚫ Locate the unit away from equipment which generates electromagnetic fields such as a

motor or generator.

⚫ Allow sufficient maintenance space at the sides and rear of the unit and leave sufficient

slack in cables, to facilitate maintenance and servicing.

⚫ Observe the following compass safe distances to prevent deviation of a magnetic compass.

Standard compass, 0.5 m. Steering compass, 0.3 m.

Install the antenna unit by referring to the antenna installation drawings at the end of this

manual. When selecting a mounting location for the antenna unit, keep in mind the following

points:

⚫ Do not cut the antenna cable.

⚫ Select a location out of the radar beam. The radar beam will obstruct or prevent reception

of the GNSS signal.

⚫ The location should be well away from a VHF/UHF antenna. A GNSS equipment is

interfered by a harmonic wave of a VHF/ UHF antenna.

⚫ There should be no obstruct within the line-of-sight to the satellites. Objects within line-

of-sight to a satellite, for example, a mast, may block reception or prolong acquisition

time.

⚫ Mounting the antenna unit as high as possible keeps it free from interfering objects and

water spray, which can interrupt reception of GNSS satellite signal if the water freezes.

⚫ If the antenna cable is to be passed through a hole which is not large enough to pass the

connector, you may unfasten the connector. Refasten it after running the cable through the

hole.

NGR-3000 UM.E 20230221-08

NGR-3000 USER MANUAL

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