Automatic screwdriver antenna controller for elecraft, icom, kenwood and yaesu radios (8 pages)
Summary of Contents for AMERITRON SDC-102
Page 1
AMERITRON SDC-102 S c rewdriver Antenna Controller INSTRUCTION MANUAL PLEAS E READ T HIS M ANUAL BEFORE OP ERATI NG T HIS EQUIP M EN T ! 116 Willow Road Starkville, MS 39759 USA 662-323-8211 Version 0B Printed in U.S.A.
Instruction Manual Introduction The SDC-102 Screwdriver Controller provides manual operation for tuning screwdriver antennas. In addition, tuned positions can be saved in one of the 10 presets so it can be recalled later. A 4-digit counter is used to display the current antenna position.
SDC-102 Screwdriver Controller with Memory Instruction Manual Installation (A) Controllers that have six wire leads. There are six 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.
SDC-102 Screwdriver Controller with Memory Instruction Manual 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. Typically a 5 Amp slow-blow fuse will work.
SDC-102 and the antenna. If you are not sure whether or not this resistor is necessary for your antenna, try it and inspect the torque and speed of the motor.
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The current is displayed as Cxxx, which translates into x.xx amps. The default setting is C075 or 0.75 amps. This is also the setting for use with the Ameritron SDA-100 Screwdriver Antenna. Trip Current Selection The trip current value is used to determine when the motor has stalled and immediately shuts the motor off.
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Customers using this manual should report errors or omissions, recommendations for improvements, or other comments to Ameritron 116 Willow Road, Starkville, MS 39759. Phone: (662) 323-8211; FAX: (662) 323-6551. Business hours: M-F 8-4:30 CST.
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