Etymotic ER•200DW8 Personal Noise Dosimeter with Data Logging - Manual (Page 27)

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Connecting
to the PC
Important: Plug the cable directly into a PC USB port.
Do not plug it into a USB hub.
Note:
Each dosimeter has a unique serial number. Multiple
dosimeters can be interfaced with a single PC;
however, only one dosimeter at a time can be
connected to the PC.
1. Remove the
battery cover of
the ER-200DW8