2
Precautionary Notes: Earscan® 3S Audiometer
1. Use only the factory-supplied, UL approved, power adapter (wall
cube) with the ES3S. Use of any other power adapter will invalidate
the warranty and may result in damage to the audiometer.
2. The ES3S is designed for use with alkaline 1.5 volt AA size
batteries. If re-chargeable batteries are used, they must be of the
alkaline type. Do not use nickel-metal hydride (NiMH) or nickel
cadmium (NiCad) rechargeable batteries.
3. When installing batteries in the ES3S, you must observe the
correct polarity. If one or more cells are installed with reversed
polarity, the instrument will not operate in the battery-powered mode,
and the audiometer may be damaged.
4. The ES3S is capable of producing signal levels greater than 100 dB
SPL. Prolonged exposure to signals at these levels can result in
temporary threshold shift or permanent hearing loss. When testing
in manual mode at high HTL settings, limit signal duration to no more
than 1 second.
5. If the ES3S has only external power available (low batteries or no
batteries installed), be aware that unplugging the mini DIN connector
will result in power loss and potential data loss. If it is necessary to
disconnect the mini DIN in this case (e.g., to switch from USB cable
to printer cable), it is advisable to turn the instrument off, make the
cable change, then turn the instrument back on.
6. The ES3S does not implement handshaking protocol on the serial
port. This means that it will not detect an unconnected serial port or
a ‘printer not ready’ condition.
Earscan
®
is a registered trademark of Micro Audiometrics Corporation.
E·A·R
®
and E·A·RTONE
®
are registered trademarks of Aearo Company.
Information in this manual is believed to be accurate; however, Micro Audiometrics
Corporation assumes no responsibility for its use. Content is subject to change
without notice. No part of this manual may be reproduced without written permission.
Copyright © 2004-2007 Micro Audiometrics Corporation. PN: 95.706.112