With storage and segmented memory function, commonly uses statements for storage.<br> Only two buttons and a switch for easy operation.<br> Includes power-off protection function, super power saving.<br> Adjustable speed switch, the potentiometer of the control board can be adjusted anytime.<br> Power Supply: 2 x AAA Batteries (NOT Included)<br> How to use:<br> J1:buzzer mute<br> L/R:di/da or da/di<br> F1 key can remember 60 words ,and it has power-off protection fuction.<br> F2 key can remember 50 words , it doesn't protect the data when the power fails.<br> R3 key is for speed control, speed getting fast when the value of R3 getting down.<br> Record: Keep pressing on F1 /F2 for more then half second, you will hear 'M', now it records CW automatically.<br> When it is all done, press F1/ f2, you will hear "S".<br> It will remind you by "F" if you exceed the volume, and the extra par<br> t will noe be recorded.<br> Message : Every message can not only be storaged by a long memory, it also can be separate into several<br> parts by inputing EOM (End of Message)at the end of every segmentation.<br> Play the segmentations: If you want play the second segmentation, just press the memory key 2 times; if you want the third one,<br> then press the key 3times, et cetera .<br> Command mode:press F1 AND F2 at the same time, you will hear "C",now it is under the mode of command<br> End command mode: press F1 and F2 at same time again, or you can input "D" by pressing the auto key<br> Colour: black<br> Material: metal<br> Package Contents:<br> 1 * Morse Code Auto Memory Key Controller<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.