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TracVision M5/M7 User’s Guide
Chapter 4 - Troubleshooting
Causes and Remedies for Operational Issues
This section addresses the most common operational issues that can affect the performance of the TracVision M5/M7 system. If your
TracVision system requires service, you can visit any KVH-authorized dealer or distributor for assistance. To find a KVH-authorized dealer near you, visit www.kvh.com/wheretogetservice.
Receiver Fault or Improper Receiver Configuration
Receiver Fault
Your satellite TV receiver might be set up incorrectly or defective. First check the receiver’s configuration to ensure it is set up for the desired programming. In the case of a faulty receiver, refer to your selected receiver’s user manual for service and warranty information.
Improper Receiver Configuration (Linear Versions Only)
To enable automatic satellite switching, the receiver(s) must be set up for the same satellites, and in the same order, they are set up in the antenna.
NOTE:
Linear TracVision systems with a multiswitch installed require switching satellites using the MCP, which does not require receiver configuration.
TracVision Satellite Receiver Satellite DiSEqC Setting
Satellite A Alternative 1 or A DiSEqC 1
Satellite B
Satellite C
Alternative 2 or B
Alternative 3 or C
DiSEqC 2
DiSEqC 3
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TracVision M5/M7 User’s Guide
Chapter 4 - Troubleshooting
Satellite Coverage Issue
Television satellites are located in fixed positions above the Earth’s equator and beam TV signals down to certain regions of the planet
(not worldwide). To receive TV signals from a satellite, you must be located within that satellite’s unique coverage area.
TIP: For your convenience, KVH provides links to several websites that offer satellite coverage information. Simply visit our website at www.kvh.com/
footprint.
Figure 4-2 Location and Coverage Area of DIRECTV 101 Satellite
Equator
Satellite Signal Blocked
Since TV satellites are located above the equator, the TracVision antenna must have a clear view of the sky to receive satellite TV signals. Anything that stands between the antenna and the satellite can block the signal, resulting in lost reception. Common causes of blockage include boat masts, trees, buildings, and bridges. Heavy rain, ice, or snow might also temporarily interrupt satellite signals.
Figure 4-3 Example of Satellite Blockage
Blocked!
TracVision
TracVision M5/M7 User’s Guide
Chapter 4 - Troubleshooting
Radar Interference
The TracVision M5/M7 antenna must be kept out of line with nearby radars, as their energy levels might overload the antenna’s front-end circuits. Refer to the TracVision M5/M7 Installation Guide for details, or visit any KVH-authorized dealer or distributor for assistance. To find a KVH-authorized dealer near you, visit www.kvh.com/
wheretogetservice.
Satellite Frequency Data Changed
If some channels work, while one or more other channels do not, or if the antenna cannot find the selected satellite, the satellite’s frequency data might have changed. You can visit any KVH-authorized dealer or distributor for assistance. To find a KVH-authorized dealer near you, visit www.kvh.com/wheretogetservice.
Vessel Turning During Startup
If you turn the vessel during the first minute after system startup, the gyro calibration that occurs during startup might be invalid, causing the TracVision M5/M7 system to track improperly. To solve this problem, simply turn off the TracVision M5/M7 system for at least ten seconds. Then turn on the TracVision system, ensuring the vessel is either motionless or traveling in a straight line for the first minute after startup.
Insufficient Power
If the power cable to the antenna unit is more than 50 ft (15 m) long, the power level can decrease over the length of the cable, resulting in a voltage level at the antenna that is too low to power the system. Refer to the TracVision M5/M7 Installation Guide for details on supplying adequate power to the antenna, or visit any KVH-authorized dealer or distributor for assistance. To find a KVH-authorized dealer near you, visit www.kvh.com/wheretogetservice.
Improper Wiring
If the system has been improperly wired, the antenna will not operate correctly. Refer to the TracVision M5/M7 Installation Guide for complete system wiring information, or visit any KVH-authorized dealer or distributor for assistance. To find a KVH-authorized dealer near you, visit www.kvh.com/wheretogetservice.
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TracVision M5/M7 User’s Guide
Chapter 4 - Troubleshooting
Loose RF Connectors
KVH recommends periodically checking the system’s cable connections. A loose RF connector can reduce signal quality or prevent automatic satellite switching using the receiver’s remote control. Refer to the TracVision M5/M7 Installation Guide for complete system wiring information, or visit any KVH-authorized dealer or distributor for assistance. To find a KVH-authorized dealer near you, visit
www.kvh.com/wheretogetservice.
Type of Multiswitch Used
If your TracVision system’s configuration requires a multiswitch, an active (powered) multiswitch must be used to ensure proper antenna
performance. Refer to the M5 Wiring Diagrams in Appendix C on
page 81 or the M7 Wiring Diagrams in Appendix D on page 85 for
detailed information.
Cable Unwrap
If your vessel makes several consecutive circles in the same direction, the antenna will rotate 720° before reaching the end of its internal cable. If this occurs, the system will automatically unwrap the cable by quickly rotating the antenna dish in the opposite direction. During this time, your TV picture will freeze momentarily.
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