NEC DS1000 User Manual

◆ Chapter 1: Installation

To connect the headset and use the controls (Figure 22: Connecting the Headset and 
Using the Controls):

●

Plug the headset into the 

 on the top of the handset.

●

Use the 

 control to adjust the volume of your headset’s microphone 

(i.e., your voice).

●

Use the 

 control to adjust the volume of the receiver in your head-

set (i.e., your caller’s voice).

●

To temporarily turn off your headset microphone, slide the 

 switch into the 

Microphone Muted position.

●

Clip the 

 to your belt or lapel to secure the headset cord.

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Belt/lapel clip

Minimum

volume

Maximum
volume

Headset receive vloume

Microphone mute

Microphone

muted

Microphone

ON

Microphone volume

More

volume

Less

volume