2N Helios Force Installation Manual

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2N Helios Force Installation Manual Manual pdf 44 page image

2N TELEKOMUNIKACE a.s., www.2n.cz 44/72Explanation of Some ParametersExplanation of Parameters 951, 952, 953Ringing tone (example)Explanation of Parameters 942, 943, 944Busy toneExample:The busy tone in the figure above is considerably longer than the pause time.Therefore, set parameter according to the pause, to 200 ms, e.g., and parameter942according to the tone, to 600 ms, for example. In this case, however, the default943values can be maintained for both the parameters. Since the tone – pause difference is500 − 250 = 250 ms, to 300 ms, for example.set parameter 944NoteIncrease parameter 944 also when the intercom is placed in a hall orcorridor with a large decay time.