Related Manuals for AMERITRON SDC-103
Summary of Contents for AMERITRON SDC-103
- Page 1 AMERITRON SDC-103 Automatic Screwdriver Antenna Controller for ICOM Radios INSTRUCTION MANUAL PLEASE READ THIS MANUAL BEFORE OPERA TING THIS EQUIPMENT ! 116 Willow Road Starkville, MS 39759 USA 662-323-8211 Version 0A Printed in U.S.A.
- Page 2 ICOM radio. The controller then adjusts the resonant frequency of the antenna. Three pre-selected antenna positions can also be stored by the SDC-103. An antenna sensor is required for the counter and automatic operation to function properly. This controller is compatible with single and dual sensor antenna setups.
- Page 3 SDC-103 Automatic Screwdriver Controller (ICOM) Instruction Manual Installation There are seven wires that need to be connected in order for the controller to function properly. The red wire needs to be fused and connected to the vehicle’s +12 VDC supply. The size of the fuse depends upon the current requirement of the antenna motor.
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Page 4: Control Cable
SDC-103 Automatic Screwdriver Controller (ICOM) Instruction Manual You will need to connect wires to each of these four wires, so that they will reach your screwdriver antenna. Use quality insulated wire for these extensions. The motor control wires should be no smaller than 18 AWG. the sensor wires should be no smaller than 24 AWG. - Page 5 SDC-103 Automatic Screwdriver Controller (ICOM) Instruction Manual Take care and follow your antenna manufacturer’s suggestions about routing these wires for a mobile installation. Avoid routing control wires with the feed line. Make sure a RF choke is placed around the control lines at the antenna.
- Page 6 6 Off Normal Operation Setup Menu The SDC-103 controller must be calibrated for the screwdriver antenna that it will be connected to. This includes band selection and the selection of the motor trip current. Setup Menu Navigation After entering setup, the setting and the value are displayed. Pressing Up or Down changes the value.
- Page 7 Since this is the last setting in the setup menu. The controller will proceed with normal operation. Band Menu Navigation The Band Menu of the SDC-103 controller allows the user to activate the frequency bands that will be used for controlling the antenna. Follow the instructions below to activate/deactivate bands.
- Page 8 CIV 731 OFF Operation Power on your ICOM radio. Power on your SDC-103. The controller should display “Con.” Tune the frequency dial on your ICOM radio. The antenna should begin moving according to your settings. When the antenna has reached the tuned position apply a low amount of power 5-10 watts, and verify that the antenna is tuned using an SWR meter either internal or external to your radio.
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Page 9: Technical Assistance
SDC-103 Automatic Screwdriver Controller (ICOM) Instruction Manual tuning may be necessary if the antenna is not tuned correctly. This may be a very small adjustment. This can easily be done by pressing the up/dn buttons briefly. TECHNICAL ASSISTANCE If you have any problem with this unit first check the appropriate section of this manual. - Page 10 SDC-103 Automatic Screwdriver Controller (ICOM) Instruction Manual SCHEMATIC © 2006 Ameritron...
- Page 11 SDC-103 Automatic Screwdriver Controller (ICOM) Instruction Manual © 2006 Ameritron...
- Page 12 SDC-103 Automatic Screwdriver Controller (ICOM) Instruction Manual APPENDIX: Band Frequency (MHz) 160M(H) 160M(L) 80M (H) 80M (L) 40M (H) 40M L 30M H 30M L 20M H 20M L 17M H 17M L 15M H 15M L 12M H 12M L...
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