531210-1_A
Matrix GPS Receiver Installation Guide
To optimize performance of the GPS receiver, mount it in an area that has full exposure to the sky. The effective area of reception is 10° above the horizon. Different circumstances determine the mounting method appropriate for your GPS receiver.
If you have… |
Then use: |
An existing antenna stem with standard 1” – 14 thread |
Stem Mount (Existing Stem) |
Under location access to mounting deck |
Deck Mount |
No access under mounting location |
Deck Mount (Cable Side - |
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No Access Underneath) |
Stem Mounting with Existing 1" - 14 Thread Stem
Follow these steps to stem mount the GPS receiver:
1. If you have an Existing stem for mounting the GPS receiver, precede to step 2. Determine the best
location to mount your GPS receiver. You should also 
be within 20' feet of the GPS display as routed through 
your boat's wiring channels. Preplan and test this
routing before any drilling or cutting of your boat surfaces. If you have purchased hardware to stem mount your GPS receiver, follow the instructions included with that hardware to mount the stem.
2. If you have easy access to the top area of the stem, screw on the receiver base to the stem first. This adds protection to the cable when pulling it through the pipe stem. In addition to this, de-burr the pipe edges to reduce cable abrasion.
2a. If you do not have easy access to the top area of the stem, assemble the receiver and base first. Attach the
GPS receiver to its base using the #6 - ¹⁄ " screws (Figure 2). De-burr the pipe edges to reduce cable abrasion.
3.Use electrical tape to secure the DGPS pigtail to the 
cable as shown (Figure 3).
4.Route the GPS receiver’s cable through the stem and continue with the planned route decided on in step 1.
5.Attach the GPS receiver to its base using the #6 - ¹⁄ " screws.
5a. After routing the cable to the control head, screw the receiver assembly on to the stem.
Note: Leave the DGPS pigtail secured to the cable unless needed. This will make removing the receiver easier.
Figure 1
#6 - ¹⁄" mounting
screws
Figure 2
DGPS pigtail cable out
WARNING: Disassembly and repair of this electronic unit should only be performed by |
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authorized service personnel. Any modification of the serial number or attempt to repair the |
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original equipment or accessories by unauthorized individuals will void the warranty. Handling |
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and/or opening this unit may result in exposure to lead, in the form of solder. |
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WARNING: This product contains lead, a chemical known to the State of |
DGPS pigtail taped |
California to cause cancer and birth defects and other reproductive harm. |
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Figure 3
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