Navionics 87043_1 ユーザーズマニュアル
Chapter 3: Installation
25
Extension cable
If an extension power cable is required, please note the following:
If an extension power cable is required, please note the following:
• The wire gauge used may be affected by the scanner type.
• To minimize voltage drops, use large gauge cable.
• Use the supplied power cable to connect to the display unit. Then use a suitable
• To minimize voltage drops, use large gauge cable.
• Use the supplied power cable to connect to the display unit. Then use a suitable
connector block to connect the free end to the extension cable, taking particular
care to ensure the correct polarity. The supplied power cable has a cross section of
10 mm.
care to ensure the correct polarity. The supplied power cable has a cross section of
10 mm.
Fuse ratings
• Without a scanner - use a 6.3 amp anti-surge fuse.
• With a scanner - refer to the fuse notification in the scanner handbook.
• Without a scanner - use a 6.3 amp anti-surge fuse.
• With a scanner - refer to the fuse notification in the scanner handbook.
SeaTalk/Alarm out cable
The SeaTalk cable is supplied with insulated tails. These should be connected to your
existing equipment using either the cable splicers supplied or by using a standard
screw terminal block.
existing equipment using either the cable splicers supplied or by using a standard
screw terminal block.
Function
Color
Pin no.
Rear unit view
SeaTalk power
Red
1
SeaTalk return
Black
2
SeaTalk data
Yellow
3
Alarm out (open collector) White
4
Alarm return
Brown
5
Screen (RFground/earth)
Unsheathed/Drain wire
6
D7528-1
1
2
3
4
5
6
D7482-1
Alarm
(100mA max)
(100mA max)
Alarm
out
out
Alarm
return
return
Battery -
Battery +
Connections for external alarm