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KN2C DF2020T

USER MANUAL

Rev.2

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Summary of Contents for KN2C DF2020T

Page 1: ...KN2C DF2020T USER MANUAL Rev 2 ...

Page 2: ... the purpose of upgrade product Global TSCM Group Inc 12 W 32nd St Suite 604 New York NY 10001 USA http globaltscmgroup usa com sales globaltscmgroup usa com Tel 1 212 967 4030 1 646 233 0383 Fax 1 212 967 7560 THE STEALTH The Confidential Catch KN2C DF2020T USER MANUAL Rev 2 1 ...

Page 3: ...om Tel 1 212 967 4030 1 646 233 0383 Fax 1 212 967 7560 THE STEALTH The Confidential Catch Table of Contents General 3 Specifications 3 Multi Display 4 Contents in the package 5 Prepare to use 6 Assemble Main Unit 6 Connect Cables 7 After Assembly the kit 7 Connection Diagram 8 The Antenna Unit 9 Wideband Principles 9 The Antenna Unit 9 FM Receiver 10 Antenna Unit 10 DF Calibration 11 Preparing Ca...

Page 4: ... user must provide a NB FM receiver antennas and a PC for DF bearing Windows OS DF2020 display program further requires a GPS receiver with NMEA 4800 baud output VHF Doppler DF 4 Antennas primarily for mobile DF 100 1000 MHz Economy high performance DSP micro processor design software intensive Sold as a kit Main unit antenna unit and associated cables Accepts NMEA RS232 GPS input data 4800 baud G...

Page 5: ...h 2 microcomputers and an RS232 input that accepts Agrello DF messages The pelorus display employs 36 high density LEDs with 4 yellow LEDs at cardinal headings Option straps allow hold blink of last valid DF data or pelorus orbit when data goes invalid All LEDs briefly flash 2 second intervals for enhanced nighttime viewing 3 digit numeric readout 0 36 inch characters 36 LED pelorus display 4 yell...

Page 6: ... com sales globaltscmgroup usa com Tel 1 212 967 4030 1 646 233 0383 Fax 1 212 967 7560 THE STEALTH The Confidential Catch Contents in the package 1 Case with assembled parts requires a minimum assembly 2 The antenna Module with built in magnetic on the bottoms 3 Cigar Jack Power Cord 4 Screw pack 5 3 5 mm Audio Cable Set 6 RG 174 cable 4 5 m 14 7 feet 7 Antenna Control Cable 4 3 m 14 feet 8 Brack...

Page 7: ...globaltscmgroup usa com Tel 1 212 967 4030 1 646 233 0383 Fax 1 212 967 7560 THE STEALTH The Confidential Catch Prepare to use 1 Assemble Main Unit a Put Front Decal on the front of case Begin right side Power switch hole first b Plug the power switch into the hole Push it until its clamps hold the case c Connect the switch on the sub board d Close the top cover with 4 screws e Attach the bracket ...

Page 8: ...0 1 646 233 0383 Fax 1 212 967 7560 THE STEALTH The Confidential Catch 2 Connect Cables a DC 9 28V Main Power Cigar Jack cable or DC adaptor b PHONE Connect earphone or external speaker if necessary c AUDIO IN Connect audio output from a receiver with 3 5 mm Audio Cable provided d GPS Connect the optional GPS receiver 4800 BPS e RS 232 Connect a PC for plotting on Google Earth map f TO Control Con...

Page 9: ...mgroup usa com Tel 1 212 967 4030 1 646 233 0383 Fax 1 212 967 7560 THE STEALTH The Confidential Catch 4 KN2C 2020T Connection Diagram When you use RS232 Serial To USB Convertor please install the right driver comes with it Antenna N should be placed in frontward of vehicle to indicate 0 degree of DF Display When DF2020 tunes with the right RF signal it outputs clear 430 Hz audio signal which will...

Page 10: ... antenna to the next The receiver must adjust to the changes of input RF phase and the Doppler pulses are created in the receiver as a side effect of the re adjustment process c For phase jumps exceeding 120 degrees 1 3 wavelength distance the amplitude of the RF signal will suffer some decay while the receiver re adjusts to the new RF phase angle For phase jumps of 180 degrees wavelength distance...

Page 11: ...io input 2 The KN2C 2020T DF requires a NB FM receiver which the user must provide This receiver determines the operating frequency for the DF DF radio channel The receiver must be a FM receiver because Doppler shift is a form of frequency shift so the receiver s detector must be a frequency shift detector FM detector to recover the Doppler signal 3 The intended operating range of the KN2C 2020T D...

Page 12: ...ount whips using just a ruler or tape measure I made separate cardboard templates for optimum 146 223 and 440 MHz spacing Cutouts in the template corners match the whip bases Emplacement is fast and misalignment is avoided with the templates Once the whips are in place I remove the template so it doesn t get rained on or blow away Kevin Kelly N6QAB went a step further and marked the top of his veh...

Page 13: ...ue LED 0 degree sometimes unstable red dots but not beaming the right direction Sometimes there was a yellow 90 180 270 degree LED a Unstable LED means that KN2C 2020 does not receive the right signal When KN2C 2020 tunes with the right signal it outputs clear 430 Hz audio signal which will indicates stable LED b Adjust the volume of your FM receiver It may be too low or high c The transmitter loc...

Page 14: ...for the period of 1 year from the date of purchase This warranty does not apply to damage due to directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities criminal activity and improper installation To take advantage of this warranty the product or part must be returned with transportation charges prepaid Proof of purchase date and explanation of ...

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