Sennheiser Set 840-TV Instructions for use - Page 29
Additional technical information
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Additional technical information Additional technical information Fine adjusting the speech intelligibility The speech intelligibility can be enhanced individually on the transmitter (see page 17). There are the following settings: Setting Default setting Indicator B lit yellow Fine adjustment No fine adjustment made 1 Compression 2 Treble boost 3 Compression and treble boost Compression (settings 1 and 3) Deterioration of the ability to hear quiet sounds as well as loud ones is a typical symptom of old age. Compression compensates for these volume differences by boosting the volume of quiet sounds and reducing the volume of loud sounds if necessary. Compression seems to put the speech in the foreground, making it easier to understand. Compression is self-regulating; once it has been activated, it is not necessary to make any other settings. Treble boost (settings 2 and 3) Another typical age-related phenomenon is the deterioration of the hearing with regard to high frequencies. However, high frequencies are important for the intelligibility of speech. The treble boost makes the speech clearer and easier to understand. With the treble boost (settings 2 and 3), additional fine adjustment is possible using the treble boost control E at the rear of the transmitter. 26
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