@Examine this file for examples of embedded control codes.

This line should be transmitted as code at normal speed.+

@ This line should not be displayed or sent, note <space> at start.

@Get ready for a speed change to 12 W.P.M.

@12

This line should be transmitted at 12 W.P.M.+

@Speed change to 15 W.P.M.

@15

@Speed change remains after this file finishes.

vvv vvv vvv+*