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FAQs

Have a question about your KVH product? No problem – just use the tools below to find information and troubleshooting tips for your product 24 hours a day, 7 days a week.

If you can’t find an answer to your question here, please contact the KVH support team.

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Strong magnetic fields have the ability to cause apparent drift in the gyro bias. This is due to the Faraday effect on the laser light in the sensing coil resulting in non-reciprocal light paths. While this effect can be observed in gyros designed for precision inertial navigation systems (drift rates of less than 1 degree per hour), and can be mitigated by the use of mu-metal shielding, there have been no reported problems with KVH FOGs. If your application results in mounting a FOG near a very strong magnetic field (>50 gauss), a practical test to determine sensitivity is suggested.

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A table of gyro bias at successive temperatures is stored in the gyro. During operation, the current gyro temperature is used to find the bias table entry for that temperature. That bias value is subtracted from the gyro output and the resultant output is used as the current rate.
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Yes, the DSP-3000 FOG makes integrated GPS/INS, AHRS, and inertial measurement units a reality.
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A rate gyro does not output accumulated angle. Instead, it outputs rate of change of angle. In most KVH FOGs, the users can change the output format as desired; rate integrated angle, or incremental angle.

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All KVH FOG products meet the European Community Electromagnetic Compatibility Directive and are approved to display the CE mark. They have been tested for conformance to electromagnetic emissions and susceptibility requirements. The units also meet FCC Part 15.

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Some of the many application for the DSP-3000 Fiber Optic Gyro (FOG)are: IMU, GPS/INS, AHRS, antenna/radar/optics stabilization, industrial robotics, and autonomous vehicles.
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The DSP-3000 has a scale factor accuracy of 500 parts per million with an input rate of < +100 deg/sec and a 1500 ppm scale factor accuracy with an input rate of + 375 deg/sec. +100 deg/sec and a 1500 ppm scale factor accuracy with an input rate of + 375.

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The geometrical birefringence created by the elliptical core is the key to the E-Core fiber's outstanding polarization-maintaining abilities. Because of its design, it is able to maintain its polarization and low-loss characteristics when exposed to physical stresses and temperature-induced changes far better than PM fiber created using stress-induced birefringence. It is the E-Core fiber's stability that makes it an excellent choice for pigtailing optical components.
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Please click here for easy, online product registration. This form may be used by all customers and is automatically customized based on your selected country.

If you choose not to use the convenient online form, every KVH product also includes a printed product/warranty registration form that you may fill out and return to the address listed on the form.

Your KVH product is covered by its warranty automatically from the date of purchase. This warranty will be honored by authorized KVH technicians, installers, distributors, and dealers worldwide. Complete details regarding all KVH product warranties are available on our Warranty pages.

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Please see the installation and technical manual for your KVH FOG-based product for complete details of any specific power requirements.
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