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AEA CK-1 Instruction Manuals

Morse memory keyer
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Summary of Contents for AEA CK-1

  • Page 2: Table Of Contents

    TABLE OF CONTENTS CK-1 WIRING INSTRUCTIONS ................1 KEYING TRANSISTORIZED TRANSCEIVERS ..........1 OPERATION I. GENERAL ...................... 1 II. KEYER ......................1 1. SPEED CHANGE AND SET ..............1 PRESET SPEEDS ................1 VARIABLE SPEED ADJUSTMENT ............1 2. SIDETONE CHANGE ................. 2 3.

  • Page 3: Wiring Instructions

    AEA keyer. With this modification a reed relay is not required for proper keying. if the CK-1 does not key your transceiver, check your transceivers key input polarity with respect to chassis ground. If positive, modify the unit as follows: A.

  • Page 4: Sidetone Change

    Sidetone Change . The sidetone is set to 500 Hz when the keyer is turned on. To increase the pitch press and hold the 1 key until the desired tone is reached. The tone may be lo- wered by pressing twice and holding the 1, i.e.

  • Page 5: Automatic Or Semi-Automatic (Bug) Operation

    III. Memory Operations Memory Locations . The AEA CK-1 has ten separate, variable length memory locations. The total memory length is about 500 characters (the actual length is dependent on the length of the characters, the length and number of pauses, etc.), which may be divided into the ten locations in any fashion.

  • Page 6: Maximum Loading Speed

    Maximum Loading Speed . Loading speeds up to 99 wpm are permissable if memory loca- tions higher than the location being located are empty or contain short messages. If, for exam- ple, memory location 5 contains about 300 characters and high speed message loading is at- tempted in locations 0 through 4 a pause between every two dots and/or dashes will occur.

  • Page 7: Serial Numbers In Memory Send

    Serial Numbers in Memory Send . The serial number will automatically incremented when a message containing a serial number is completed. If the message is interrupted, the serial number will not be incremented. A new starting serial number may be loaded, in memory send mode by pressing , where N N N N is the new, one to four digit, serial number.

  • Page 8: Schematic

    PARTS PICTORIAL...

  • Page 9: Parts List

    ¼ W, 5 %, Carbon Comp R10, 11 ........ 1 k ¼ W, 5 %, Carbon Comp U1 ........CD4044B or MC14044B U2 ........AEA 1980 MMK U3 ........2114 U4 ........7805 Voltage Regulator X1 ........4.000 MHz Xtal S1 ........

  • Page 10: Appendix A

    APPENDIX A Common Character Set...

  • Page 11: Code

    MM-1 appears to be sending too slowly, but many tapes on the market are actually sent faster than the labeled speed! Suffice it to say that it is the opinion of AEA that the MM-1 has the most accurate speed calibration of any keyer, trainer, or code tape on the market.
  • Page 12 All implied warranties, if any, terminate ninety days of original purchase. AEA is not responsible for damage to other equipment or property or any other consequential or incidental damage of any kind whether based on contract, negligence or strict liability.

  • Page 13: Programming Key

    PROGRAMMING KEY MORSE MEMORY KEYER KEYER MEMORY/SEND MEMORY LOAD Tone Up Tone Down Tone Up Tone Down Dot Ratio Dash Ratio Dot Ratio Dash Ratio Dot M. Off Dot M. On Dot M. Off Dot M. On Dash M. Off Dash M.

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