J1:buzzer mute; L/R:di/da or da/di<P>F1 key can remember 60 words ,and it has power-off protection fuction. F2 key can remember 50 words , it doesn't protect the data when the power fails. R3 key is for speed control, speed fast when the value of R3 down.<P>Record: Keep pressing on F1 /F2 for more then half second, you will hear 'M', now it records CW automatically. When it is all done, press F1/ f2, you will hear "S". It will remind you by "F" if you exceed the volume, and the extra par. It will be recorded.<P>Message : Every message can not only be storaged by a long memory, it also can be separate into several parts by inputing EOM (End of Message)at of every segmentation.<P>Play the segmentations: If you want play the second segmentation, just press the memory key 2 times; if you want the third one, then press the key 3times, et cetera .<P> mode:press F1 AND F2 at the same time, you will hear "C",now it is under the mode of <P>End mode: press F1 and F2 at same time again, or you can input "D" by pressing the auto key<P>When you use the auto key,PIC will make a judgement: you will hear "R" for the right , and "?" for invalid .<P>"A" :turn off the memory of long-short voice.<P>"B" :turn on the memory of long-short voice. This is the most common .<P>"C" and "E": Repeat play. it will stop automatically after playing 255<P>times under the 'E' mode.<P>You just press the short voice auto key if you want to turn it off. Press it again, after keyer making the judgement of "R",<P>it will be over.<P>"C" can't automatically, but it can be used as a sign. You just press the short voice auto key if you want to turn it off.<P>Press it again, after keyer making the judgement of "R", it will be over.<P>"D" ends the mode, and goes back to common mode.<P>"T" transfer , it lasts for ,then goes back to mode.<P>if you press auto key or memory key during T'S 30s, it will stop, and goes back to common mode.<P>color: black<P>Material: metal<P>Package Contents: 1pc Auto Key controlle