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Lowrance - LVR-250 Installation and Operation Instructions10
Connect the Radio Cables
The connectors are on the rear of the base unit, as follows:
GPS/COM connector.
1. For connection to GPS device via NMEA. See the following table
for wiring and color codes. (If you’re not using this, be sure to put the protective cap
securely over the connector to protect it from moisture and dust.)
External Speaker connector.
2. Plug the external speaker cable jack into the connector
BEFORE powering on the radio. Use a 4 Ohm 4 Watt external speaker.
Red Power wire.
3. Connect this to the Positive (+) battery terminal. Check that a 10 Amp
fuse is installed on this power cable close to the battery.
Black Power wire.
4. Connect this to the Negative (-) battery terminal.
ANT.
5. A radio antenna is not supplied. A suitable radio antenna must be mounted
and connected before operating the LVR-250 radio. Consult your dealer for advice if
necessary.
GND.
6. A ground connection is not usually required.
1
2
3
4
5
6
CAUTION
A DSC warning label is supplied with the LVR-250. To comply with FCC regulations, this
warning label must be affixed in a location that is clearly visible from the operating con-
trols of this Lowrance radio. Make sure that the chosen location is clean and dry before
applying this label.
Fix the DSC label