3M Littmann 3200 Manual De Instrucciones página 12

To specify the preset (default) volume level: Select the SET VOL option in the SETUP menu. Press and release the (M)
button to select the current volume level as default. The factory default is level 3.
To specify the preset (default) filter setting: Select the SET FLTR option in the SETUP menu. Press and release the (M)
button to select the current filter as default. The factory default is the diaphragm filter.
To select the backlight setting: Select the BACKLITE option in the SETUP menu. Use the (-) and (+) buttons to scroll
through the list of options. Press and release the (M) button to select. The factory default is ALWAYS. The ALWAYS option will
illuminate the backlight at all times at a reduced level while the stethoscope is powered on and not in standby mode. The ON
DMND option will illuminate the backlight for five seconds by depressing and releasing the power button. The DISABLE option
disables the backlight at all times and will conserve power.
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