R111LM Chirp - 6 Pages

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R111LM Chirp

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Broadband / CHIRP Transducers Technical Information When Your Living Depends on Finding Fish... Advantages of In-Hull Transducers Rely on Airmar’s new broadband transducers for the ultimate fishing mission. Whether you’re a commercial fisherman, charter captain, or tournament angler, there’s a new game in town! CHIRP transducers enable bottom detection down to 3,000 m (10,000’) with 5 to 10 times greater detail and resolution so precise it’s possible to distinguish between individual baitfish, game fish, and underwater structures. One transducer delivers up to 117 kHz of total bandwidth in just one installation, saving customers time and money. No holes drilled in hull, unit can be installed while vessel is in water, no drag, ideal for trailered boats. Airmar…it’s what’s under your boat. The CHIRP Difference Traditional marine fishfinders operate at discrete frequencies such as 50 kHz and 200 kHz, use relatively short-duration transmit pulses, and use narrowband sonar transducers. In contrast, CHIRP (compressed high-intensity radar pulse) uses a precise sweep pattern of many frequencies within a long-duration transmit pulse from a broadband transducer, so the equivalent sound energy transmitted into the water is 10 to 1,000 times greater than a conventional marine fishfinder. The echo energy returning to the transducer, superior to that generated by a conventional transducer, is then processed by the fishfinder’s DSP (digital signal processing) computer and displayed in ultra-sharp detail on the display. The combination of CHIRP a broadband transducer, , and the fishfinder’s DSP results in dramatically better fish and bottom detection, superior depth capability, and , significantly better performance at speed. Does YOUR Fishfinder CHIRP? Only CHIRP/Spread Spectrum sounders using Airmar broadband transducers can operate as a CHIRP fishfinder system. When Airmar’s new transducer is paired with a broadband fishfinder the result is 5 to 10 times greater sensitivity and performance than current fishfinder technology. Packed with exclusive technology like Transducer ID® and newly engineered piezoceramic elements, Airmar transducers are über sensitive and designed to automatically sweep frequency bands from 28 kHz to 210 kHz with no tuning necessary. As a result, all targets detected in the entire bandwidth will be seen on the display rather than only what is identified in traditional frequencies at 50 kHz and 200 kHz. Airmar’s complete line of twenty-four (24) CHIRP transducers are available in seven (7) different mounting options to accommodate almost any hull design. CHIRP transducers are available at Gemeco Marine Accessories www.gemeco.com and Airmar EMEA www.airmar.com/emea. Visit www.AIRMAR.com for a list of CHIRP-ready transducers. Transmit Voltage Response (TVR) Operation Under Low-Frequency CHIRP Mode. An in-hull transducer is installed inside the boat hull and sends its signal through the hull. Some people prefer this mounting style because it is not necessary to drill through the vessel’s hull. The transducer cannot be damaged by debris, hauling or trailering. The transducer is not exposed to marine growth, and there is no drag. Additionally, a transducer can be installed and serviced while the vessel is in the water. Airmar’s in-hull transducers are mounted inside a liquid filled tank that is first adhered in place. As long as the water flow below the transducer is “clean”, it will give great high-speed performance. In-hull transducers installed over solid fiberglass, will work with any engine type: inboard, outboard, and I/O. In-Hull transducers will not work with cored fiberglass, wood, or aluminum hulls due to excessive signal loss. See Guide to Transducer Technology to compare In-Hull, Thru-Hull, Pocket / Keel-Mount, and Transom-Mount options. www.airmar.com Unique Transducer ID® Airmar’s Transducer ID feature measures and stores the operating parameters for each transducer. This enables the fishfinder to automatically configure itself to the transducer being used. The embedded microcontroller continuously monitors ceramic operating temperatures inside the transducer, enabling closed loop control of power output. The transducer’s profile can be presented on the display showing beamwidth coverage as a function of frequency. Stored data also assists with troubleshooting, warranty or any required information about the transducer. Quality “Q” Value Q is a measure of bandwidth and the rise and fall times of target echoes. Airmar Q values range from 1.6 to 30, depending on the model. Competitive transducers have an average Q of 25 to 30. The lower the “Q” number, the less ringing in the transducer and the better the performance—improved individual fish separation along with bottom imaging in rapidly changing water depths such as ledges and offshore canyons. CHIRP TECHNOLOGY • 5 to 10 times greater detail and resolution • 10 to 1,000 times more energy on targets All Airmar CHIRP transducers have a Q of 3 or less. Roundtrip Sensitivity* LF HF 1 times 1 times 250 times 50 times 1,000 times 120 times 4,100 times 225 times 6,100 times 240 times • Precise separation between baitfish and game fish • Superior performance in noisy environments • Improved bottom tracking at high boat speeds DEEPER. BROADER. GING TECHNOL AN GAME CH * All roundtrip sensitivity data is based on the Figure of Merit (FOM) and the transducer bandwidth relative to the P79 model. **Commonly used non-CHIRP transducers.. ***Transmission loss through the hull is not included in the calculation. ine ! ng Mach cer. indi s Fishf roadband transdu ri o u o a Se AIRMAR b er t ound use of an S Your ith the e grad sible w U p p os Only See Theory of Operation for a complete understanding of transducer terminology and operation. www.airmar.com Broadband Non-Broadband ©Airmar Technology Corporation Screen shot courtesy of Garmin®. As Airmar constantly improves its products, all specifications are subject to change without notice. All Airmar products are designed to provide high levels of accuracy and reliability, however they should only be used as aids to navigation and not as a replacement for traditional navigation aids and techniques. Xducer ID® is a registered trademark of Airmar Technology Corporation. Other company or product names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are not af

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