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Confidential Page 

6/23/2014 

INSTALLING AND MOUNTING THE GPS UNIT 

The GPS unit will work best if it has a clear view of the sky and as much of the 
horizon as possible with no metal between it and the sky. Any metallic objects 
between the GPS unit and the satellites will degrade the signal and reduce the 
overall performance.  For best signal acquisition, the roof of the trailer is the 
recommended mounting position. (This will require extending the wires on the 
unit to reach your trailer wiring socket or refer unit battery.)  You can also mount 
the device on the front of the trailer as pictured below.  For refrigerated trailers 
the device can be mounted inside the refer shroud (as long as it is plastic or 
fiberglass) and you can use the refer units battery for the external power source. 
   

WARNING Any metal structure can affect the accuracy of the GPS signals and 

prevent normal operation. Location of the GPS unit is critical to the operation. 

 
The GPS unit can be installed on 
any type of vehicle. The unit should 
be mounted so it will not be exposed 
to damage from people or objects. 
The GPS unit has tabs for mounting 
screws or you can use epoxy or 
double sided tape to attach the unit 
to your trailer. 

 

Содержание NFT-1175

Страница 1: ...Confidential Page 1 6 23 2014 NFT 1175 NFT 2820 Installation Manual NFT 1175 NFT 2820 Tracker Revision Date 6 23 14...

Страница 2: ...Installation 3 GPS Fundamentals 4 Checking the Contents of the Box 4 Installing and Mounting the GPS Unit 5 Cable Interface 6 12 VDC Power Connection 6 Ground Connection 6 Refrigerated Trailer Option...

Страница 3: ...terminal from the battery to deactivate the sensors for the airbags Refer to the Owner s Manual and to a Shop Manual for the vehicle for specific instructions in the temporary disconnection process DO...

Страница 4: ...at acceptable signal strength it must be mounted so that it has a clear view of the sky In hidden locations such as under the dash a clear view can be challenging In these locations it is important to...

Страница 5: ...et or refer unit battery You can also mount the device on the front of the trailer as pictured below For refrigerated trailers the device can be mounted inside the refer shroud as long as it is plasti...

Страница 6: ...cket that is the Ground return to towing vehicle SAE J560 and J1067 Wiring Circuits Terminal Color Lamp and Signal Circuits 1 White Ground return to towing vehicle 2 Black Clearance side marker 3 Yell...

Страница 7: ...the Black wire found on the cable connected to the GPS unit The black wire must be connected to a solid chassis ground uninhibited by paint or plastics We recommend the negative side of the battery fo...

Страница 8: ...S Communications Blinking Tracker on searching for wireless signal Blinking GPS on searching for satellite signal Patterned Blinking Signal acquired unit trying to establish connection to the communic...

Страница 9: ...ain cause of this is poor signal strength due to shielding or coverage Make sure the GSM Orange light is solid move the unit outside the building and or outside of vehicle if necessary and re apply po...

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