Maico MA 42, Руководство по эксплуатации, Страница: 21 / 82

Operation Manual MA 42
8100460 Rev.7 Ver.1 16 12/15
The Display of the MA 42
The instrument is set up to air conduction and pure tone by default. When
starting the MA 42 the tone audiometry screen opens.
The frequency is set to 1 kHz and the level of the tone to 30 dB
HL
for the right
channel, and 0 dB
HL
noise for the left. All settings are shown on the display,
as well as the function of the control panel buttons on the left and right side
of the display. The level limits of the chosen transducer are marked by shading
in the lower area of the audiogram.
The display has an energy saver function. The backlight of the display is
automatically dimmed after approximately three minutes. Any action with the
MA 42, such as pressing a button or rotating the dial, switches the backlight
immediately on again.
Figure 4 - Start Screen Tone Audiometry