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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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The COM port is for a remote display or to stack another unit for increased punch.
Get a car battery and jumper cables, connect DC. Expect a spark. If the unit is silent find a on/off pushbutton switch . If it ticks it is in search mode. If it hums it is ON. Good luck |
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