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MFJ -561K Manual

Travel iambic paddle kit
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MFJ-561K
INTRODUCTION
Your new Travel Iambic Paddle is a great addition to any CW collection. Its
small, lightweight frame makes it ideal for traveling. Just plug your pocket-
sized paddle into your favorite keyer or rig and you are ready to send smooth
CW from almost anywhere.
This kit is a very simple one that can be constructed by the most novice of kit
builders.
By following the instructions carefully, you should be able to
assemble the paddle and send CW in no time. Though the paddle is universal to
most transceivers, MFJ recommends that the paddle be used with compatible
MFJ products. With whatever keyer or rig you use, verify that it has a 3.5 mm
jack input.
BEFORE YOU START BUILDING
Construction Area: Kit construction requires a clean, smooth, and well-lighted
area where you can easily organize and handle small parts without losing them.
An inexpensive sheet of white poster board makes an excellent construction
surface, while providing protection for the underlying table or desk. Good
overhead lighting is a plus, and a supplemental high-intensity desk lamp will
prove especially helpful for close-up work.
consideration.
Be sure to use a suitable high-temperature stand for your
soldering iron, and keep the work area free of combustible clutter.
Tools Needed: While assembling this kit you will need a work area outfitted
with the following tools and supplies:
Phillips Head Screwdriver
30 to 60 Watt Soldering Iron
High-temperature Iron Holder with Moist Cleaning Sponge
Rosin-core Solder (thin wire-size preferred)
Travel Iambic Paddle Kit
Safety is also an important

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Summary of Contents for MFJ MFJ-561K

  • Page 1 CW in no time. Though the paddle is universal to most transceivers, MFJ recommends that the paddle be used with compatible MFJ products. With whatever keyer or rig you use, verify that it has a 3.5 mm jack input.

  • Page 2: Parts List

    MFJ-561K Travel Iambic Paddle Kit surfaces to be connected are hot. Then, feed the solder around the lead causing the solder to wick up, wetting all exposed surfaces. Desoldering Tips: If you make a mistake in soldering and need to correct a step, follow these instructions carefully.
  • Page 3 MFJ-561K Travel Iambic Paddle Kit 1. Insert the shoulder washer into the hole on the side of the paddle facing out. Make sure that the shoulder is completely inside the hole and the washer is flush with the paddle. 2. Next, insert a screw into the hole from the inside out. On the outside of paddle, place a washer, a solder lug and then a kep nut on the screw.
  • Page 4 MFJ-561K Travel Iambic Paddle Kit 4. Place the Paddle on its base and then fasten. First, secure the back of the paddle with a screw and kep nut. Then, place the spacer between the paddle’s arms and secure it from the bottom with the screw and the remaining solder lug (see Figure 2 and 4).
  • Page 5 MFJ-561K Travel Iambic Paddle Kit Figure 4 Ring Common 7. Flip the paddle over so that the bottom is facing up. Then, lay the wire along the bottom side of the paddle (see Figure 4). 8. Use Figures 3 and 4 to orient the wires to their correct positions. With...

  • Page 6: Troubleshooting

    If none of these steps help, go back through the assembly instructions to insure that the kit was properly assembled. If the kit does not work after this, contact your local MFJ distributor for product assistance.