Страница 1: ... 60 Hz or DC 7 13 5 V OPERATION 1 Check polarity and the required keying voltage and current on your transmitter key terminals using a tester voltmeter milliameter the key up open circuit voltage must not be in excess of 50 volts D C 2 Connect the key line output 11 on the rear panel terminal to the POSITIVE keying terminal of the transmitter and the to the NEGATIVE terminal as previously determin...
Страница 2: ...er tune 8 Sit back and relax with the satisfaction that you now have the EK 150 for sending the first CW and with the closest approach possible to precise machine tape sending SPECIAL CONDITIONS When the voltage and currents are greater than the values recommended in 1 above various arrangements may employed Generally transmitters utilizing high voltage cathode keying will exceed the voltage given...
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