Electrical Connections; Dc Power, External Speaker Connections And Nmea Input - Raymarine Ray 53 User Manual

5. ELECTRICAL CONNECTIONS

5.1 DC Power, External Speaker Connections and NMEA Input

The 6 feet long power cable assembly consists of the DC power cable and the
external speaker cable. The DC power cable is composed of RED(+) and
BLACK(-) wires, and the external speaker cable has YELLOW(+) and
GREEN THICK(-) wires and NMEA Input has BLUE(+) and PURPLE(-). The
RED(+) wire with an in-line fuse(10 amps.) and the BLACK(-) wire of the 6 pin
connector cable are used for connecting the RAY53 to the ship's 13.6 VDC power
system.
In most cases this length should be adequate enough to reach the DC power
source.
If additional wire length is required,the cable can be extended by adding more
cable as necessary. However,for power cable runs longer than 15 feet,larger
wire diameter size should be used to prevent voltage line loss.
Your RAY53 radio should be connected to the nearest primary source of
ship's DC power. A typical source may be a circuit breaker on the power
panel or a fuse block near the unit. When connecting to either of these
sources, the circuit breaker or other in-line fuse should be rated at 10 amps.
It is recommended that lugs be used to connect the power cable to the DC
supply and the lug connections should be both crimped and soldered. This is
very important in order to insure adequate currect draw to the equipment.
intermittent operation may result if an insufficient connection is made to the
power source. the connection terminal should be clean, with no sigh of
corrosion.
The RED(+) wire is connected to the positive terminal of the power source or
battery. The BLACK(-) wire is connected to the negative(ground) of the power
source or battery. Should the power connections be inadvertently reversed,the