MFJ-495 Memory Keyer
Instruction Manual
©
2001-2009 MFJ Enterprises, Inc.
27
An alternating dot/dash is produced to aid in changing the weight. Press LEFT or DOWN to
decrease or press RIGHT or UP to increase
constant
weight, or enter two pairs of two digits
25 to 75 to set automatic
linear
weight. Press ENTER to accept and exit, or press ESC to
cancel and exit.
Tip:
Type “W##” and then press TAB or ENTER to change only the counter-clockwise
position weight. Type W, press TAB, and then type ## to change only the
clockwise position weight
X
X
mit (carrier tune) – gives continuous key-down for adjusting transmitter or antenna tuner.
Press any key to exit and release the key line. Alternately, press ALT+F8 to activate carrier
tune mode.
Y
Pulse tune – gives continuous adjustable pulses for adjusting transmitter or antenna tuner.
Press F1 and F2 buttons to change the speed in the range of 50 to 99 WPM. Press F3 and F4
buttons to change the weight (duty cycle) in the range of 1% to 35%. Press ESC to exit and
release the key line.
Alternately, use CTRL+Arrow keys to change the pulse speed and ALT+Arrow keys to
change the pulse weight.
Z###
Z
eros and nines – sets the way zeros and nines in the serial number are sent. The first # sets
whether to send the leading zeros as "0", "O", "T" or not at all (# = "N"). The second # sets
whether the other zeros are sent as "0", "O" or "T". The last # sets whether the nines are sent
as "9" or "N". For example, "ZO09" will send the leading zeros as "O" (dah-dah-dah), the
other zeros as "0" (dah-dah-dah-dah-dah), and the nines as "9" (dah-dah-dah-dah-dit).
##
Play message – play message ## where the first # is the message number 1 to 8 and the
second # is the memory bank A to D. Alternately, press F1 to F8 to play messages in the
current memory bank. Press F9 to F12 to select the current memory bank.
>##
Save message – save message into the keyer memory ##, where the first # is the message
number 1 to 8 and the second # is the memory bank A to D. Alternately, press CTRL+F1 to
CTRL+F8 to save messages in the current memory bank. Press F9 to F12 to select the
current memory bank.
<##
View message – view message ## where the first # is the message number 1 to 8 and the
second # is the memory bank A to D.
Message Memory
With the keyboard, you can play or save messages using the keyboard function keys. Press function keys
F9 to F12 to quickly select the correct memory bank A to D, respectively. To play a message, press any
keyboard function key F1 to F8. The message will play and send to your radio. Press CTRL+Arrow keys
to change the overall speed on the fly, press ALT+Arrow keys to change the weight on the fly, and press
SHIFT+Arrow keys to change the tone on the fly.
To save a message to memory, press and hold the CTRL key, press the keyboard function key F1 to F8,
and then release the CTRL key (this is denoted as CTRL+Fn). The keyer will respond with "GO" (dah-
dah-dit dah-dah-dah). Now a message can be typed into memory.
Begin typing in your message pressing the space bar between words. The keyer echoes each character as
it is typed. Press the BACK SPACE key to delete the last character. In message program mode
only
,
press CTRL+BACK SPACE to delete the last word.
