MFJ-498 Instruction Manual
Introduction
The MFJ-498 Display Keyboard Keyer is a powerful tool for the radio amateur. The
MFJ-498 functions as a contest keyer with 8 memories, a code teaching and practice
tool with 4 separate methods of learning, from beginner to expert, and a display
keyboard keyer, all code being sent or stored with the keyboard is displayed on the
32 character LCD. The MFJ-498 is also a powerful iambic keyer with all paddle code
parameters conveniently controlled by the keyboard interface.
The MFJ-498 has eight 4,000 character message memories which can be loaded by
keyboard. When saving a message embedded commands can be inserted that
repeat the message continuously, insert timed pauses within the message, and
insert an auto-incrementing serial number. Embedded commands allow your keyer
to perform contest, foxhunt or beacon operation.
The MFJ-498 has controls for speed and volume on the front of the unit. The paddle
jack connects to any iambic or single lever (dual contact) key paddle. The keyboard
port allows use of the AT compatible keyboard for keyboard keying operation. The
MFJ-498 has both Direct and Grid-Block outputs.
Summary of Contents for MFJ-498
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