Base and headset basics, Headset overview, Base overview – Plantronics CS540 User Manual
Page 5
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5
Base and headset basics
1
Call/mute LED
2
Power on/subscription LED
3
Charging LED
4
Subscription button
5
Narrowband/wideband switch
6
Power jack
7
Handset lifter/EHS cable jack
8
Telephone interface cable jack
9
Auto answer switch
10
Listening volume dial*
11
Speaking volume dial*
12
Configuration switch*
*For installation set-up
12
11
6
5
8
9
10
4
BACK
FRONT
Headset overview
2
1
7
6
3
4
5
1
Ear loop
2
Ear tip
3
Volume/mute button
4
Call button
5
Battery cover
6
Headset LED
7
Microphone
1
2
3
7
BOTTOM
Base overview
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