5 Working with the MA 41
The hearing level can be easily adjusted with the level dials on each side of the
instrument (1). The instrument’s default setting is in 5 dB steps and can be
adjusted to 2 dB or 1 dB steps, as needed.
The Stimulus Presenter buttons (2) and Store buttons (3) are located beside the
left and right level control dials (1). With the STIM mode button (8) you can
change from presenter to interrupter mode. The corresponding LED lights up
when a signal is presented. The frequency can be adjusted with the Plus (4) and
Minus (5) buttons on both sides of the instrument. The ergonomic design of
the MA 41 makes it easy to control the dB level, signal presentation, and
frequency adjustments with one hand.
5.1 Using the Control Panel of the MA 41
The main functions of the MA 41 are directly accessible by using the Function
buttons which are located around the display. As the buttons have changing
functionality, the actual function of each button is shown in the blue boxes on
the screen above the button. To change the function of buttons (9), (11), (13)
and (15), which have several functions, press the corresponding button and a
list of alternative functions will appear. Quickly press and release the button
until the desired function is selected.
An extensive user menu for the customization of the MA 41 is available for
advanced users (see chapter 7).
Figure 2 - Control Buttons
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