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C) Mic Sensitivity (microphone sensitivity)
The sensitivity does not normally need to be adjusted. But if a person
speaks very loudly or softly, this can be compensated for by reducing or
increasing the microphone sensitivity. The preset value is 0, and it can
be adjusted from -12 to +12 dB. Access the Mic Sensitivity program-
ming mode. Speak into the microphone. Adjust the sensitivity until
the green LED lights up and occasionally blinks red. If the LED is
completely red, the sensitivity should be reduced.
D) Speech key (read-aloud function, modeX Student only)
When the Speech key is activated in programming mode, the student
microphone can be switched on without needing to hold in the push-
to-talk button (see page 11).
E) Side keys (three different function modes for the Up/Down buttons,
only modeX Teacher)
Normal: The Up/Down buttons have no function. This is default.
Speech key: The Up button turns the microphone on. The Down
button turns the microphone off. The function of the blue button is
deactivated.
Volume: The Up button increases the volume of the microphone (the
mic sensitivity) with 3 dB for each press. The down buttton decreases
the volume with 3 dB for each press. The default value is 0 dB. You
can increase and decrease the volume respectively with maximum
6 dB. If the microphone is already set on +12 dB or -12 dB in Mic
Sensitivity, it is not possible to get past these limits with the Up/Down
button.
