Note
QST, May 1976, p. 80.
QST, Nov 1976, p. 154.
QST, Feb 1977, p. 148.
The MK-75 features self-completing characters, dotfdash memory (Iambic), as well as automatic letter and word spacing. A sidetone oscillator is also provided, with volume and tone controls. Speed range of the MK-75 is 5 6 5 wpm.
To program a message, you place the READ/WRITE switch in WRITE
position, press any one of the four quadrant buttons with its LED display, key in your message, and return the switch to READ position. To read a message, just press a quadrant button.
To enter an insert into the preprogrammed message program the first part of the message as described above, press the INSERT button, program the remainder of the message, and return the READ/WRITE switch to READ. The memory is now ready for your insert message.
To insert a message, such as W8XYZ NR 682, just press the appropriate quadrant button. The memory stops at the point where you wish to insert the message and waits while you insert the message manually. The memory then finishes the preprogrammed message after your insert.
The MK-75 includes many other features such as insert-function bypass, disable or delay of automatic restart capability, instant message interrupt, and message editing.