MFJ MFJ-561K User Manual

MFJ MFJ-561K User Manual

MFJ-561K

Travel Iambic Paddle Kit

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 pocketsized 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. Safety is also an important 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)

Needle Nose Pliers or Surgical Hemostats

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. First, grasp the part to be removed with a pair of hemostats or needle-nose pliers. Heat the solder joint until the solder loosens and pull gently. The lead should then be able to be extracted. Repeat this process for any other bad connections.

PARTS LIST

Your kit should contain all of the parts listed below. Please identify and inventory each part on the checklist before you start building. If any parts are missing or damaged, refer to the manual’s warranty section for replacement instructions.

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Part Description

Part Number

 

1

Paddle Base

738-0561

 

1

Paddle

735-0561

 

4

Phillips Head Screws

654-0250S

 

3

Solder Lugs (Aluminum Tabs)

720D-0621L

 

2

Washers

714-0631

 

2

Shoulder Washers

7145-0421N

 

3

Kep Nuts

705-0440-K

 

1

Open-end 3.5 mm Stereo Cable

620-8005

 

1

Spacer

715B-0500S

 

6

Rubber Feet

770-1162

 

1

Wire Tie

745-2149

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