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CK-1 PARTS LIST

C1 ....................................... 0µ0047

50 v disc cer

C2, 9, 10 ............................. 0µ001

500 v disc cer

C3, 5, 8, 11, 12 .................. 0µ1

50 v disc cer

C4 ....................................... 0µ01

50 v disc cer

C6, 7 ................................... 10µ or 6µ8

25 v dipped tantalum

D1, 2, 5 ............................... 1N4448 or 1N4148
D3, 4 ................................... 1N4006
D6 ....................................... 1N4003

Q1, 3 .................................. 2N3904
Q2 ....................................... MPS6561
Q4 ....................................... MPSA92
Q5 ....................................... MPSA42

R1, 2 .................................. 12 

½ W, 5 %, Carbon Comp

R3, 8 .................................. 330 

¼ W, 5 %, Carbon Comp

R4 ...................................... 1 k

pot w switch, audio taper

R5 ....................................... 240 

¼ W, 5 %, Carbon Comp

R6, 12, 13 ........................... 47 k

¼ W, 5 %, Carbon Comp

R7 ....................................... 2k4

¼ W, 5 %, Carbon Comp

R9 ....................................... 10 k

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 ........................................ Part of R4
S2 ........................................ SPST Slide SW

Summary of Contents for CK-1

Page 1: ......

Page 2: ...S 3 2 MEMORY MESSAGE LOAD 3 REAL TIME MESSAGE LOADING 3 AUTOMATIC MEMORY LOAD 3 3 MEMORY ERASE 3 4 MEMORY RETENTION 3 5 MAXIMUM LOADING SPEED 4 6 SERIAL NUMBER LOAD AND SET 4 7 EXTRA WORD OR CHARACTER SPACES 4 8 MEMORY FULL WARNING 4 9 SEMI AUTO BUG MEMORY LOAD 4 IV MEMORY SEND OPERATIO4 1 SENDING A MESSAGE 4 2 INTERRUPTING AND RESTARTING A MESSAGE 4 3 SERIAL NUMBERS IN MEMORY SEND 5 V EDITING CAP...

Page 3: ... designed for the serious CW operator It features a versatile memory load and edit capability automatic serial number rapid CW speed changes an full weigh ting control II Keyer 1 Speed Change and Set Two methods of CW speed control are available variable and pre set Preset Speed Two presentable speeds may be stored and quickly recalled To store speed A press when N N is the two digit speed in wpm ...

Page 4: ...ace ratio is set to 3 0 on turn on and is adjustable from 2 0 to 4 0 To change the dash ratio enter and the new dash ratio Example A dash space ratio of 3 7 is desired press If the dash space ratio entered exceeds 4 0 or is less than 2 0 the ratio will be set to 3 0 The code speed is automatically adjusted for other than perfect dot and dash ratios and is based on the word PARIS See Appendix A Whe...

Page 5: ...loading will begin with the first character and all pauses in sending will be loaded as sent pauses use memory space When message loading is complete press to terminate the message load Automatic Memory Loading The keyer is set to automatic memory load on turn on If real time load has been selected automatic memory load may be re selected by pressing when the mode switch is in the memory load posi...

Page 6: ... 7 space length or character 3 space length may entered Each time is pressed an additional word space will be loaded and each time is pressed an additional character space will be loaded Insertion of a word or character space in real time memory loading will stop the real time load of a pause the next keyed character will restart pause loading 8 Memory Full Warning When the memory is completely fu...

Page 7: ...e message in memory send mode and halt the message at the desired point with either paddle or the pound key Switch to memory load press and key the desired addition Switch back to memory send without pressing If the insertion is at the very beginning of a message switch to memory load press the digit of the message location and key in the desired addition then switch back to memory send with out p...

Page 8: ...6 PARTS PICTORIAL ...

Page 9: ...4006 D6 1N4003 Q1 3 2N3904 Q2 MPS6561 Q4 MPSA92 Q5 MPSA42 R1 2 12 Ω W 5 Carbon Comp R3 8 330 Ω W 5 Carbon Comp R4 1 kΩ pot w switch audio taper R5 240 Ω W 5 Carbon Comp R6 12 13 47 k W 5 Carbon Comp R7 2k4 W 5 Carbon Comp R9 10 k W 5 Carbon Comp R10 11 1 k W 5 Carbon Comp U1 CD4044B or MC14044B U2 AEA 1980 MMK U3 2114 U4 7805 Voltage Regulator X1 4 000 MHz Xtal S1 Part of R4 S2 SPST Slide SW ...

Page 10: ...8 APPENDIX A Common Character Set ...

Page 11: ...he reference word PARIS An old rule of thumb says that to calculate code speed in words per minute divide the total num ber of characters sent in one minute by five That can be quite misleading This method does not accurately take into account the variable length of individual characters Quite often when the speed of the MM 1 is compared against tape recordings of certain speeds the MM 1 appears t...

Page 12: ...anty does not apply to any defect AEA determines is caused by 1 improper maintenance or repair including the installation of parts or accessories that do not conform to the quality and specification of the original parts 2 misuse abuse neglect or improper installation 3 accidental or intentional damage The field installation of circuits or bat teries according to the instructions in the manual wil...

Page 13: ...t Ratio Dash Ratio Dot M Off Dot M On Dash M Off Dash M On Resume Tune Speed Semi Auto Speed Auto A Speed Set A B Speed Set B S N Repeat S N Set Select Storage Location Tone Up Tone Down Dot Ratio Dash Ratio Dot M Off Dot M On Dash M Off Dash M On Edit Insert Speed Semi Auto Speed Auto Char Space Word Space Real Time Auto Load S N Load S N 1 Halt End Input ...

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