the utility model belongs to the field of education, in particular learning tools.device for the study of reference signals includes a plate with прорезями, the device further includes a second plate.the upper part of which is communicated with the lower part of the first plate through the articulation of the folding connection in the upper part of the first plate is a template of the codeand in the middle part of the stencil base elements of reference signals, the second plate is composed of the right and left parts of equal size.in the right part of the stencil printing plate is located beyond the boundaries for the reference signal and the left part is designed in the form of pocketin which the available mechanism for the classification of reference signals representing the axis set on cdsatisfied with the possibility of rotation and caused him to five segments to encrypt and decrypt.it's on the front left side of the pocket in the center is трапециевидный cleavage in the segment.the technical result is the efficiency study of reference signals by provide the ability to encrypt / decrypt the reference signals. 2).
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