Lowrance electronic Electronic Speed Sensor EP-70R - Manual (Page 4)

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Speed sensor rear view.
Speed sensor side view.
If the base of the transom has a radius, fill the gap between the
transom and the sensor with sealant. This will help ensure a smooth
water flow.
Route the sensor's cable through or over the transom to the
LowranceNET. If you need to drill a hole in the transom to pass the
connector through, the required hole size is 7/8".
Caution:
If you drill a hole in the transom for the cable, make sure it is
located above the waterline. After installation, be sure to seal the
cable hole with the same marine grade above-or below-waterline
sealant used for the screws.
The EP-70R is now ready for use. Connect the sensor's red cable
connector to a T connector on the network backbone and plug it in.
If you have any questions concerning the installation of the EP-70R,
please contact your local boat dealer.
Connecting to a NMEA 2000 Network
A NMEA 2000 network is a communications link between two or more
devices that transfer NMEA 2000 information. LowranceNET is the
NMEA 2000 networking system developed by Lowrance Electronics. A
NMEA 2000 network functions like the phone wiring in a house. If, for
example, you pick up a phone in the living room you will be able to
hear the conversation someone is having on a phone in the bedroom.
Transom
Rear view
Bottom of hull
Side view
Bottom of hull