User's Manual

TITLE:
Product Specification for HS-W1
Revision:
001
Date:
11/30/2011
Prepared by:
Approved by:
Page: 10 of 18
本文件為美律實業股份有限公司專有之財產，非經書面許可，不准透露或使用本資料，亦不准複印，複製或轉變成任何其他形式使用。
The information contained herein is the property of Merry and shall not be distributed reproduced, or disclosed in whole or in part without prior written
permission of Merry.
4.2.2 Max allowed SPL @ ERP
This can be measured by sweeping a -3 dBDrms tone, and measuring the response from the IEC711
coupler. Note that the DRP-to-ERP correction is to be applied. No point on the curve is to be
above 120 dB.
4.2.3 Receive THD
The Receive THD shall be measured at the maximum volume step with a -3dBDrms sweep sine
signal from 20Hz to 20KHz, and measuring the response from the IEC711 coupler. The headset
Receive THD shall fall below the upper limit given in the following Table and Figure.
Limit Curve
Frequency (Hz)
Send Response Limit
(dB) [floating level]
Upper Limit
300
3
1000
3
5000
3
8000
3