MFJ-461 Pocket CW Reader, Version 0B
Copyright
2001 MFJ Enterprises, Inc.
Troubleshooting
Problem Solution
The screen stays
blank even though the
power is ON.
•
Turn the power OFF. Wait
a few moments and then
turn the power ON.
•
Replace the battery.
The screen appears
faint.
•
Replace the battery.
The LED stays on.
•
Decrease the input level.
The LED does not light
at all.
•
Increase the input level.
•
Place the Mic closer to your
audio source.
The screen displays
unreadable code.
•
Adjust the PLL Frequency
and Input Level controls.
The microphone is not
picking up the audio.
•
Make sure nothing is
plugged into the Audio In
jack.
•
Place the unit closer to your
audio source.
The terminal displays
unreadable code or
nothing at all.
•
Make sure the serial cable
is securely connected.
•
Set the terminal software
settings to 19200 baud, 8
data bits, no parity, 1 stop
bit, and no flow control.
Technical Assistance
If you have any problem with this unit, check the
appropriate section of this instruction manual. If this
manual does not reference your problem, you may call
MFJ Technical Service
at
662-323-0549
or the
MFJ
Factory
at
662-323-5869
. Please have your unit, this
manual, and an accessible workstation.
Other ways to contact MFJ are by facsimile at
662-323-
6551
, by email at
, or by
mail at:
MFJ Enterprises, Inc.
300 Industrial Park Road
Starkville, MS 39759
When writing MFJ, please send a complete description
of your problem, an explanation of exactly how you are
using your unit, and a complete description of your
station.
Schematic
Morse Code Characters
A di-dah
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N
dah-dit
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B dah-di-di-dit
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O
dah-dah-dah
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−
−
C dah-di-dah-dit
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−
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P
di-dah-dah-dit
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−
−
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D dah-di-dit
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Q
dah-dah-di-dah
−
−
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−
E dit
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R
di-dah-dit
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F di-di-dah-dit
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S
di-di-dit
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G dah-dah-dit
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T
dah
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H di-di-di-dit
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U
di-di-dah
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I di-dit
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V
di-di-di-dah
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−
J di-dah-dah-dah
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−
−
−
W
di-dah-dah
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−
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K dah-di-dah
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X
dah-di-di-dah
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−
L di-dah-di-dit
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−
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Y
dah-di-dah-dah
−
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−
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M dah-dah
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Z
dah-dah-di-dit
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−
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1 di-dah-dah-dah-dah
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−
−
−
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6
dah-di-di-di-dit
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2 di-di-dah-dah-dah
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−
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7
dah-dah-di-di-dit
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−
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3 di-di-di-dah-dah
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8
dah-dah-dah-di-dit
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−
−
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4 di-di-di-di-dah
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9
dah-dah-dah-dah-dit
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−
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5 di-di-di-di-dit
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0
dah-dah-dah-dah-dah
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−
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Period [.]
di-dah-di-dah-di-dah
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−
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−
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AAA
Comma [,]
dah-dah-di-di-dah-dah
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−
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−
MIM
Question Mark or
[?]
di-di-dah-dah-di-dit
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−
−
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IMI
Request for Repetition
Fraction Bar or Slash Bar
[/]
dah-di-di-dah-dit
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DN
End of Message,
<AR>
di-dah-di-dah-dit
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−
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AR
Plus Sign, or Cross
End of Work
<SK>
di-di-di-dah-di-dah
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−
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SK
Double Dash, Equal Sign,
[=]
dah-di-di-di-dah
−
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BT
Pause, or Break
Semicolon [;]
dah-di-dah-di-dah-dit
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−
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−
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KR
Colon [:]
dah-dah-dah-di-di-dit
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−
−
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OS
Apostrophe [']
di-dah-dah-dah-dah-dit
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−
−
−
−
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WG
Quotation Mark
["]
di-dah-di-di-dah-dit
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−
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AF
Hyphen or Dash
[-]
dah-di-di-di-di-dah
−
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DU
Underline [_]
di-di-dah-dah-di-dah
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−
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IQ
Dollar Sign
[$]
di-di-di-dah-di-di-dah
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SX
Left Parenthesis
[(]
dah-di-dah-dah-dit
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KN
or Go Only
Right Parenthesis
[)]
dah-di-dah-dah-di-dah
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−
−
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KK
Wait or Stand By
<AS>
di-dah-di-di-dit
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AS
Understood <SN>
di-di-di-dah-dit
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SN
Starting Signal
<KA>
dah-di-dah-di-dah
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KA
Error <HH>
di-di-di-di-di-di-di-dit
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HH
Paragraph <AL>
di-dah-di-dah-di-dit
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−
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AL
Invitation to Transmit
[K]
dah-di-dah
−
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K
or Go Ahead
L
IMITED
12 M
ONTH
W
ARRANTY
MFJ Enterprises, Inc. warrants to the original owner of this product, if manufactured by
MFJ Enterprises, Inc. and purchased from an authorized dealer or directly from MFJ
Enterprises, Inc. to be free from defects in material and workmanship for a period of 12
months from date of purchase provided the following terms of this warranty are satisfied:
1. The purchaser must retain the dated proof-of-purchase (bill of sale, canceled
check, credit card or money order receipt, etc.) describing the product to establish
the validity of the warranty claim and submit the original or machine
reproduction of such proof of purchase to MFJ Enterprises, Inc. at the time of
warranty service. MFJ Enterprises, Inc. shall have the discretion to deny
warranty without dated proof-of-purchase. Any evidence of alteration, erasure,
or forgery shall be cause to void any and all warranty terms immediately.
2. MFJ Enterprises, Inc. agrees to repair or replace at MFJ's option without charge
to the original owner any defective product under warrantee provided the product
is returned postage prepaid to MFJ Enterprises, Inc. with a personal check,
cashiers check, or money order for $7.00 covering postage and handling.
3. This warranty is NOT void for owners who attempt to repair defective units.
Technical consultation is available by calling Service Department at 662-323-
0549 or the MFJ Factory at 662-323-5869.
4. This warranty does not apply to kits sold by or manufactured by MFJ Enterprises,
Inc.
5. Wired and tested PC board products are covered by this warranty provided only
the wired and tested PC board product is returned. Wired and tested PC boards
installed in the owner's cabinet or connected to switches, jacks, or cables, etc.
sent to MFJ Enterprises, Inc. will be returned at the owner's expense unrepaired.
6. Under no circumstances is MFJ Enterprises, Inc. liable for consequential
damages to person or property by the use of any MFJ products.
7. Out-of-Warranty Service: MFJ Enterprises, Inc. will repair any out-of-warranty
product provided the unit is shipped prepaid. All repaired units will be shipped
COD to the owner. Repair charges will be added to the COD fee unless other
arrangements are made.
8. This warranty is given in lieu of any other warranty expressed or implied.
9. MFJ Enterprises, Inc. reserves the right to make changes or improvements in
design or manufacture without incurring any obligation to install such changes
upon any of the products previously manufactured.
10. All MFJ products to be serviced in-warranty or out-of-warranty should be
addressed to:
MFJ Enterprises, Inc.
300 Industrial Park Road
Starkville, Mississippi 39759 USA
and must be accompanied by a letter describing the problem in detail along with a
copy of your dated proof-of-purchase.
11.
This warranty gives you specific rights, and you may also have other rights which
vary from state to state.
