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Summary of Contents for SMC Networks LOOPANTNVIS3
- Page 1 LOOPANTNVIS3 FOLDING LOOP ANTENNA Operators Manual South Midlands Communications Ltd SM House, School Close Chandlers Ford Industrial Estate Eastleigh, Hampshire SO53 4BY United Kingdom Issue 1 Tel: +44 (0)23 8024 6200 Email: sales@smc-comms.com Web: www.smc-comms.com...
- Page 3 Preface SMC - South Midlands Communications Ltd was established in 1958 and initially specialized in antenna support masts, towers and HF antennas. SMC is now recognized globally as a specialist communications company. Over the last 50 years the SMC product range has grown to include pneumatic telescopic masts, aluminum lattice masts, high-level photography solutions, Mil’...
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Page 4: Safety Information
Safety Information Always follow the Operating Instructions Installation must only be carried out by authorized personnel The Folding Loop Antenna is heavy and care should be taken when installing the unit. Beware of overhead obstructions and power lines. Drive the vehicle accordingly. -
Page 5: Product Introduction
Product Introduction The Folding Loop Antenna has been designed and manufactured to meet the requirements of NVIS HF mobile communications for both on-road and off-road vehicles. High conductivity tubing is used in the loop element to provide high communication efficiency, and a custom-modified electronic tuner is used to provide a 50-ohm nominal termination impedance at all operating frequencies. -
Page 6: Specification
Specification Dimensions 1660mm 957mm 800mm 225mm Weight: 14.5 kg 3.0 – 15.0 MHz Frequency Range: TX Power Input Range: 1.5-200 Watts PEP Continuous TX CW/Data Power: Number of operating channels: Unlimited Non-Volatile Channel Memory 170 (165 TX, 5 RX) Addresses: Input Impedance Range 45-55 ohms VSWR... - Page 7 Locking Knob Features Antenna Retainer Upstand Electrical Enclosure Locking Arm Catch Base Roof Rack Locking Knob Plate Issue 1...
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Page 8: Installation
Installation The following procedure describes how to install the Folding Loop Antenna on to a pair of vehicle roof bars. The Folding Loop Antenna is heavy and care should be taken when installing the unit. Take care not to trap fingers when installing the Folding Loop Antenna. - Page 9 6. Place both Retainer Upstands onto the roof bars as shown. 455mm 680mm 7. Place the Roof Rack Plates under the vehicle roof bars and bolt the Retainer Upstands into position so that they are secure but can be adjusted. 8.
- Page 10 9. Adjust the Retainer Upstands so that they allow the Locking Knobs to engage into them. 10. Secure the Locking Knob in position and tighten the bolts securing the Retainer Upstands to the roof bars. Ensure the Folding Loop Antenna is securely mounted to the vehicle and that all bolts are securely tightened.
- Page 11 Electrical Antenna Connector The RF Coaxial Cable should be connected between the Antenna Socket on the Folding Loop Antenna and the transceiver antenna connector. As the Antenna Connector is not 100% watertight, after fitment use the supplied self- amalgamating rubber tape to seal the connection. Proceed as follows: 1.
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Page 12: Operation
Operation The following section describes how to raise the Folding Loop Antenna into the operational position, lower the antenna into the stored position and tuning the antenna. Take care not to trap fingers whilst raising the Folding Loop Antenna. Always wear protective gloves when raising or lowering the Folding Loop Antenna. - Page 13 2. Lift up both Locking Arms and use them to rotate the Folding Loop Antenna into the Operational Position. 3. Push each Locking Arm into the Catch on its corresponding Base. Issue 1...
- Page 14 4. Secure the Locking Knobs on each Locking Arm into the Catch by turning them clockwise until they are fully engaged into the Catches. Ensure the each Locking Knob is engaged into the Catch on the Folding Loop Antenna Base. Issue 1...
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Page 15: Tuning Method
Storing the Folding Loop Antenna 1. Release one of the Locking Knobs on the Locking Arm holding the Folding Loop Antenna in the Operational Position by turning it counter clockwise until it has fully disengaged from the Catch. 2. Rotate the Locking Arm away from the Catch 3. -
Page 16: Maintenance
Maintenance Check the condition of the connectors and cables every 14 days. Replace where necessary. Check all fixings and hardware every 14 days. Ensure the Folding Loop Antenna is securely mounted to the vehicle. Tighten fixings or Replace where necessary. - Page 17 Notes Issue 1...
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