Beacon Mode
Beacon Mode allows the keyer to be used for a 10 minute CW for a repeater or other application. If activated, it will play message 1
at power up and then repeat it every ten minutes. Message 1 must be programmed prior to activating Beacon Mode.
The keypad and paddle inputs are disabled while in Beacon Mode. To exit Beacon Mode, power up with button 4 pressed.
Default: Beacon Mode OFF
Beacon Mode OFF: Power Up with the (message) 4 button held down.
Beacon Mode: ON Power Up with the REC + (message) 4 buttons held down.
Mode A/B Keying
Mode A and Mode B keying affects timing of the paddle presses to form the next element (dit or dah). You will find it easier to key
with the mode you learned to send.
Default: B
Set Mode B: Power Up with the (message) 3 button held down.
Set Mode A: Power Up with the REC + (message) 3 buttons held down.
Reset Defaults
Restores the keyer to the options to the factory defaults. Stored messages are unaffected.
Reset defaults: Power up with the REC, (message) 1, and (message) 4 buttons all held down.
Software Version
The current software version can be determined by powering up the keyer with the REC button held down. The current software
version will be sent in Morse code on the LED. The keyer will operate normally once it is finished sending the version number. The
software is not field upgradeable.
Summary of programmable options
The procedure for changing the programmable features is to first turn off the power with the speed/power knob. Then press and
hold down the proper key(s) and turn on the power. Release the buttons after turning on the power.
The format for these options is to power the unit up with the selected number button to set to the factory default state. Pressing the
number button plus the REC button at power up will set it to the alternate mode.
Function
Default
Set to alternate option
Set to standard
Paddle Reverse
Normal
Reverse - Power up with REC + button 1
Power up with button 1
Message 1 Loop
No looping
Loop - Power up with REC + button 2
Power up with button 2
Mode A/B
Mode B
Mode A - Power up with REC + button 3
Power up with button 3
Beacon Mode
Disabled
Enabled - Power up with REC + button 4
Power up with button 4
Reset all to factory defaults
Power up with REC, 4, and 1 buttons held down.
The procedure for changing the programmable features is to first turn off the power with the speed/power knob. Then press and
hold down the proper key(s) and turn on the power. Release the buttons after turning on the power.
The format for these options is to power the unit up with the selected number button to set to the factory default state. Pressing the
number button plus the REC button at power up will set it to the alternate mode.
Warranty Information
Unified Microsystems guarantees the components and workmanship of the XT-4 MK2 CW Memory Keyer for a period of one year from
the date of purchase. A copy of the receipt must be included with any units returned for warranty repairs. Unified Microsystems will,
at its option, repair or replace defective units returned during the warranty period.
Unified Microsystems reserves the right to change the specifications of its products at any time without notice.
