P The invention relates to a dialogue terminal whose body must be flush with the front face of a support such as a panel or desk. A fixing member, such as a frame 30, is secured to the body at the 'rear of it by means of fixing blocks. Several threaded spacers 40 with parallel axes are fixed to the support 20 by countersunk heads and are provided with nuts 46 for adjusting the depth position of the terminal relative to the front face of the support. Application in particular to industrial dialogue terminals works in a polluting environment. /P
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