
MED ASSO C IAT E S I NC. ANL- 940 - 1 U L TR ASO NI C M I CRO PH ONE AND AMPL I FIE R
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DOC-262 Rev 1.0 Copyright © 2012
MED Associates, Inc.
2. Attach microphone to amplifier
The microphone jack is ‘keyed’ and only fits one way . Rotate until it slides in. Screw the outer sleeve to
the jack to prevent accidental disconnection.
Figure 3.2 – Microphone Connected to Amplifier
3. Connect amplifier to Data Acquisition Device (DAQ) using BNC cable
Med Associates, Inc. recommends using a National Instruments DAQ device, such as the myDAQ or
ELVIS. The ANL-940-1 has been tested with this equipment. For connection from the ANL-940-1 BNC
connector to the National Instruments DAQ device, the center and ground can be screwed into the
terminals. Alternately, Med Associates makes an ANL-940-DA-1 BNC adapter for the myDAQ to interface
with a National Instruments myDAQ device..
Figure 3.3 –Connect National Instruments myDAQ (shown with BNC Adapter) to ANL-940-1
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