8-14 hsb
2
PLUS Series LCD Display
Display Unit
Connection
Power and NMEA Input Connection
The DC power and NMEA input should be connected at the rear Power/
NMEAseven-pinconnector.Theconnector(viewedfromtheoutside)andpin
functionsare shown in the followingdiagram and table. The NMEA Input is
detailed in Section 8.8.
f
Figure 8-7: Power and NMEA Connector
Power Connection
CAUTION:
If thepower connectionsare accidentallyreversedthe systemwill not
work. Use a multimeterto ensure that the input power leads are
connected for correctpolarity.
Switchoff the display unit before you removethe power cord.
The RED wire must be connected to the feed from the positive(+) battery
terminal and the BLACK wireto the feedfrom the negative(–) battery
terminal.The shielded wire (screen) should be connected to the ship’s RF
groundas previouslydescribedin Grounding the System on page 8-11.
Any unused wires should be insulated and taped back.
Pin No. Function Color
1 Channel 1 NMEA data input (+ve) Orange
2 Channel 1 NMEA return (-ve) Yellow
3 Battery negative Black
4 Shield (drain wire) No insulation
5 Battery positive (12/24/32 V systems) Red
6 Channel 2 NMEA data input (+ve) Green
7 Channel 2 NMEA return (-ve) Blue
2
1
4
3
5
7
6
81186_3.book Page 14 Thursday, August 22, 2002 8:23 AM
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