MFJ -401B Manual
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MFJ -401B Manual

Econo keyer ii
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MFJ ECONO KEYER II
MFJ-401B

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Summary of Contents for MFJ MFJ-401B

  • Page 1 MFJ ECONO KEYER II MFJ-401B...
  • Page 2 9 V battery. A 12 VDC, 300 mA power supply may also be used to power the MFJ-401B. A 2.1 mm coaxial plug with a positive center and a negative sleeve should be used with this power supply. The MFJ- 1312B, an optional 12 VAC adapter is available from MFJ Enterprises, Inc.
  • Page 3 The code weight has been preset at the factory to a 1:3:1 level. However, the internal weight control may be adjusted by inserting a small screwdriver into the hole on the side of the casing. this hole is found toward the front of the keyer. Choose either automatic or semi-automatic code generation.

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