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Related Manuals for ACR Electronics VECTA 2 - REV A2
Summary of Contents for ACR Electronics VECTA 2 - REV A2
- Page 1 PRODUCT SUPPORT MANUAL Vecta ™ Dual Scale Direction Finder Product No. 2769.4 121.5MHz 121.775 MHz Y1-03-0227 Rev. A2 ACR Electronics, Inc. 5757 Ravenswood Road Fort Lauderdale, FL 33312 Tel: +1(954) 981-3333 Fax: +1 (954) 983-5087 www.acrelectronics.com Email: info@acrelectronics.com...
- Page 2 This product is warranted against factory defect in material and workmanship for a period of five years from date of purchase or receipt as a gift. During the warranty period ACR Electronics, Inc. will , at its option, repair or replace the unit at no cost to you for labor, materials or return transportation, provided you obtain a Return Authorization from ACR Electronics, Inc., 5757 Ravenswood Road, Ft.
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Page 3: Table Of Contents
Foreword Thank you for purchasing from ACR Electronics, Inc. We design, manufacture and distribute quality products knowing they are used to save lives. Many of our products are required to be tested and approved by regulatory bodies worldwide. We believe in going beyond those specifications to insure our products work when needed in real world conditions. -
Page 4: Product Description
PRODUCT DESCRIPTION Introducing the Vecta Dual Scale Direction Finder The Vecta ™ Dual Scale Radio Direction Finder (DF) provides a Dual Scale signal strength meter that can detect an AM radio signal typically down to .5µV. One scale is for COARSE power readings and one scale for FINE power that is user friendly for use on land or at sea. -
Page 5: Direction Finder And Test Beacon Features
Direction Finder and Test BEACON Features 1. Antenna Elements 2. External Antenna Jack 3 COARSE and FINE Signal Strength Meters 4. Search and Train Frequency indicator LEDs. Search Freq – 121.5MHz Train Freq – 121.775MHz 5. Search and Train frequency Receive Channel buttons 6. -
Page 6: Installation
INSTALLATION Remote Omni-Directional Antenna (Rooftop, Pole, etc…) The Vecta is supplied with a specially designed and tuned 3’ whip antenna (121.5 MHz) and should be mounted as high as practical for optimum receiver range. Use a standard 1” x 14 thread VHF style mount appropriate for your mounting location. -
Page 7: Headphones
Headphones Headphones can assist in the early stage of a search when the signal is very weak. When outside the range of a transmitter, the Vecta will pick up ambient electromagnetic interference, (EMI), or static noise. The EMI can overpower the signal of a distant transmitter. At times the oscillating tone of a BEACON can be heard faintly amidst the static by listening with the headphones. -
Page 8: Understanding The Dual Scale
Once the tone is heard and the rescuer is heading in the direction of the BEACON, the LEDs can be expected to climb up the Signal Strength Meter visually showing that the BEACON is nearer. The Audio tone will remain constant. UNDERSTANDING THE DUAL SCALE In most situations a searcher will focus on the COARSE scale to determine signal strength when scanning the horizon (360°). -
Page 9: Range Exercises
RANGE EXERCISES Selecting a Location for the Test BEACON This range exercise involves placing the test BEACON in an area similar to where rescues are expected to take place, then moving away from the BEACON in measured distances and recording the signal strength. - Page 10 Watch the FINE signal scale for signs of a strengthening signal. Once the signal strength rises above the EMI, the Signal Strength Meter should be used primarily to determine the directional bearing to the transmitter. Depending on whether a search is conducted on land or sea determines the search pattern. On water, the pattern is methodical, beginning up current working towards the opposite end of the search area.
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Page 11: Emergency Scenarios
When the signal strength peaks on the second leg of the search pattern, the BEACON will be closer. If visual contact isn’t made with the BEACON, or if there are still a lot of signal reflections, an additional 90° signal check is preformed. The new course is now parallel to the original course heading. -
Page 12: Elt False Activation
ELT False Activation Scenario: A Cessna 172 inbound to land at the local airport bounces in on a hard landing setting off the impact activated ELT. An old fashioned c91 ELT does not notify him that it is transmitting. He taxis to his tie down spot, shuts down his plane and leaves, not realizing that his c91 ELT is transmitting a signal to the COSPAS-SARSAT satellite system. -
Page 13: Technical Data
TECHNICAL DATA Vecta Frequency Received Search Channel - 121.5 MHz Training Channel - 121.775 MHz Frequency Stability .005% (Crystal controlled) Operating Temperatures -20°C to +55°C (-4°F to + 131°F) Operating Life: 16 hours continuous on one battery, unlimited operating life on either AC or DC power supply Activation Manual “ON-OFF”...