5.1 Getting Started with the MA 33
5.1.1 Use of Equipment After Transport and Storage
Make sure the device is functioning correctly before use. If the device has been stored in
a colder environment (even for shorter time) allow the device to become acclimatized.
This can take a long time depending on the conditions (like environmental humidity). You
can reduce the condensation by storing the device in its original packaging. If the device
is stored under warmer conditions than the use conditions no special precaution are
required before use. Always ensure proper operation of the device by following routine
check procedures for audiometric equipment.
5.1.2 Where to Setup
The MA 33 should be operated in a quiet room, so that the audiometric examinations are not
influenced by outside noises. Ambient sound pressure levels in an audiometric test room
shall not exceed the values specified in the norm ISO 8253-1:2010 or ANSI S3.1-1999. For
use in noisier environments, headphones with optional sound insulation muffs are available.
Electronic devices, which emit strong electromagnetic fields (e.g. microwaves or
radiotherapy devices), can influence the function of the audiometer. Therefore, it is not
recommended to use these devices in close proximity to the audiometer as it may lead to
incorrect test results.
The test room must be at a normal temperature, usually from 15 °C/59 °F to 35 °C/95 °F.
NOTE: The warm-up time for the device including boot up process takes approx. 1 minute
(incl. boot-up time). If the device has not been used for a while (e.g. overnight), wait for the
recommended period of time before operating the device.
5.2 Starting the MA 33 Software
5.2.1 General
The MA 33 Software is started from the connected database (MAICO Database, Noah,
BDT/GDT or EssiConnect). See the instructions in section 5.2.2 (for MAICO Database),
section 5.2.3 (for Noah), section 5.2.4 (for BDT/GDT) or section 5.2.5 (for EssiConnect).
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