Raymarine RSW-Wired, Руководство по установке

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10.1 Gateway ground connection
The gateway must have a ground connection to the to the vessel’s RF ground
point, where no RF ground is available connect to the vessel’s negative (–)
battery supply.
The top fixing hole in the gateway is used for the ground connection point.
There are 3 options for the ground connection.
1. If the gateway is being mounted on a metal surface which is already
grounded then the fixing screw will act as the ground connection.
2. If the gateway is being mounted on a non-grounded surface then the
supplied ring crimp terminal and a suitable cable (not supplied) should
be used to create a ground cable and should be connected to the top
fixing hole using the fixing screw.
3. If the gateway is not being mounted on a surface then the supplied ring
crimp terminal and a suitable cable (not supplied) should be used to
create a ground cable and should be connected to the top fixing hole
using an M4 x 10 Machine screw and M4 nut (not supplied).
Ground connection 37