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)
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 th e part to be removed with
a pair of hemostats or needle-nose pliers. Heat the solder joint un til 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.
;
Qty 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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