![Poly MDA400 QD User Manual Download Page 3](http://html1.mh-extra.com/html/poly/mda400-qd/mda400-qd_user-manual_1575551003.webp)
Front/Top
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1
2
Back
4
5
6
7
1
Computer audio
button
6
Telephone
interface cable
jack*
2
Desk phone
audio button
7
Power jack*
3
USB adapter
port*
8
Configuration slide
switch
4
USB cable
(connect to
computer)
9
Listening volume
dial
5
Handset
lifter/EHS jack*
10
Speaking volume
dial
*Accessories not included
Bottom
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9
10
4
Overview
Basics MDA400
3