Garmin GPSMAP 8500 Інструкція з експлуатації - Сторінка 10
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Description
NMEA 0183-compliant device
NMEA 0183 cable
Item
Lamp or Horn Connections
The device can be used with a lamp, a horn, or both, to sound
or flash an alert when the chartplotter displays a message. This
is optional, and the alarm wire does not need to be used in
order for the device to function normally. When connecting the
device to a lamp or horn, observe these considerations.
• The alarm circuit switches to a low-voltage state when the
alarm sounds.
Item Description
10–35 Vdc power source
Power cable
Horn
Lamp
NMEA 0183 cable
Relay (100 mA coil current)
Toggle switches to enable and disable lamp or horn alerts
Item
Wire Color
Red
Black
Yellow
Video Input and Output Considerations
The GPSMAP 8500 allows video input from four composite
sources, and video output to two digital or analog displays.
When connecting video input and output sources, observe
these considerations.
• The four composite-video ports are labeled CVBS 1 IN,
CVBS 2 IN, CVBS 3 IN, and CVBS 4 IN.
◦ These four ports use BNC connectors. You can use a
BNC to RCA adapter to connect a composite-video
source with RCA connectors to these ports.
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Garmin Wire Function
Power
Power ground
Data ground
RxB (-)
RxA (+)
Wire Function
Power
Ground
Alarm
Garmin Wire Color
Red
Black
Black
Orange/white
White
• The maximum current is 100 mA, and a relay is needed to
limit the current from the chartplotter to 100 mA.
• To manually toggle visual and audible alerts, you can install
single-pole, single-throw switches.
◦ The video from sources connected to these ports is
available only for display on the GMM or on an additional
monitor connected to the same GPSMAP 8500.
Composite video is not shared across the Garmin Marine
Network or NMEA 2000 network.
• The two DVI-I output ports are labeled MAIN DVI-I VIDEO
OUT and MIRROR DVI-I VIDEO OUT. These two ports use
DVI-I connectors, and are compatible with a variety of digital
and analog connectors and adapters.
◦ You can use a DVI-D cable to connect to a GMM or other
DVI-compatible digital display. If needed, you can use a
DVI-D to HDMI adapter to connect to an HD TV or other
HDMI-compatible display.
◦ You can use a DVI-I cable to connect to a computer
monitor or other DVI-I-compatible display. If needed, you
can use a DVI-I to VGA adapter to connect to a VGA-
compatible display.
• The MAIN DVI-I VIDEO OUT port is designed for use with
the primary GMM. See
party monitor can be connected to this port, but will not allow
for touchscreen interface with the device.
• The MIRROR DVI-I VIDEO OUT port allows you to view a
mirror image of the MAIN DVI-I VIDEO OUT on a connected
display.
NMEA 0183 Device Wire Function
Power
Power ground
Data ground
N/A
TxA (+)
page 4
for more information. A third-