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cg-3000 automatic antenna tuner introduction
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1. 2 wires power cable is provided Red wire 12VDC Operation After verify all the connection choose your desired frequency and switch the transmit mode to AM PACKET or any other continuous mode Press PTT key CG 3000 will automatically tune You will hear some click click noisy it means CG 3000 is tuning When you go back to the frequency which is tuned before CG 3000 will pickup the existing L C combination from memory setting and match the system To reset the tuner just simply disconnect the power or use optional control box Fig 2 Ground st pme Ground system The CG 3000 must be connected to a good electrical ground Good ground prevents shocks interference and others Use heaviest gauge wire or metal strap available to connect to as large as possible metal object Install a quarter wave length of working frequency wire as counterpoise Attention 1 Check the supply power to tune If the power voltage is too low CG 3000 will not work And DO NOT reverse the polarity of the input power 2 To ensure the proper tuning the antenna must have enough length 3 Do not install BALUN it will cause difficult tuning 4 Reduce the transmission coaxial cable as short as possible Calculation of undesirabk antenna lengths Length of half wave 300 operating frequency MHz X 2 Please avoid using the antenna length that is close to a half wave or multiple of a half wave in length Warranty CG ant
2. CG 3000 AUTOMATIC ANTENNA TUNER INTRODUCTION CG 3000 automatic antenna tuner ATU can cover whole HF amateur bands It uses multi signal processing circuit to switch L C to make perfect matching between your radio and antenna system Fast tuning ess than 2 seconds for first initialize matching 200 memory channels store the minimum SWR value to make further tuning SPECIFICATION Working frequency 1 6 30 MHz 50 MHz not guaranteed Input impendence 50 ohm Max input power 200W PEP Min input power 10W Power supply 13 8V 10 Current drain lt 0 8 A Auto tuning time Approx 2 sec first time tuning lt 0 2 sec return to memorized frequency Memory channels 200 Usable wire length 6 30Mhz gt 2 4 meters 1 6 30 Mhz gt 8 meters All specifications are subject to change without notice or obligation USING CG 3000 Installation Connect an antenna Connect the ground wire Connect the transmission cable to transceiver Connect the control cable Mount the CG 3000 to desired location vio 12 Never use the system without reliable ground connection Never transmit or tune without an antenna It will damage your tuner High voltage Do not touch the antenna when it s transmitting or tuning Fig 1 EA d Astern tseminal HF transceiver C G30 arout Ground Powar cablereceplacle Antenna cable raceptacts The above 4 wires control cable is not provided It s an option cable
3. enna warrants all products against defects in material for a period of 1 year unless otherwise indicated The warranty does not cover damage improper use abuse or conditions beyond our control i e lightning Repairs If you have any problem of your CG product Please contact your local sales directly Then we can arrange the repair service If return for repair is needed please wrap and pack your unit well to protect damage during transportation or handling Include a note with your name address phone number email and brief description of the problem CG antenna and our distributors can not be responsible for unit lost or damage in shipping CG Antenna Shanghai China All rights reserved http www cgantenna com
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