Welch Allyn AudioScope, Руководство по обслуживанию

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1.5 Use of the AudioScope (Screening)
Read pg. 6-8 of Operating Instructions pn230231-2 (shown below) for full
details of the screening procedure.
Note: The following excerpt is only an outline intended for general familiarization by
service personnel. This outline is not intended to replace above referenced Operating
Instructions pn 230231-2.
1. Check that lens is centered in the instrument.
2. Select an area that is relatively quiet and free from distracting sounds.
See page 26 of Operating Instructions for Maximum Permissible
Ambient Noise for the different screening levels.
3. Select appropriate size specula and twist onto instrument. USE ONLY
GRAY-TIPPED WELCH ALLYN AUDIOSPECS.