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TELEPHONE HEADSETS

Quick Start Operation

The Supra F53 is a headset with a voice tube while the 

Supra F53N is the same headset with noise-canceling 

microphone instead of a voice tube.

1

Identifies the components of both headsets 

1.1 

Adjustable Headband

1.2 

Stabilizer T-Bar

1.3

 Cushioned Receiver

1.4 

Clothing Clip

1.5

 Quick Disconnect™

1.6

 Quick Disconnect to Modular Cord

1.7 

Voice Tube 

1.8

 Noise-Canceling Microphone 

2

Supra and Supra NC 

Position the ear cushioned receiver (1.3) over the center of 

your ear.

3

Connecting the headset

The headset cable is terminated with a standard modular 

connector.

To use your headset, simply insert the connector into the 

headset receptacle in the base unit.

4

Adjusting the voice tube 

With one hand, hold the capsule securely against your 

head. With your other hand, pull out or push in the voice 

tube and rotate the tip so it is two finger widths away from 

your face at the corner of your mouth.

5

Adjusting the noise-canceling microphone

5.1

 Adjusting the microphone boom

To adjust, carefully shape the boom with both hands as 

shown. 

Do not bend or twist the boom within 1.5 cm of the 

microphone or capsule. Avoid repeated twisting of the 

boom.

 

1.3

1.2

1.4

1.1

1.8

1

.2

1.1

1.3

1.4

1.5

1.5

1.7

SUPRA

® 

 F53

SUPRA

® 

 F53N 

50.8 

mm

6.1

6.2

5.1

5.2

5.3

1.6

1.6

5.2  

Position the noise-canceling microphone

Position the microphone approximately 1.5 cm from your 

face in front of the corner of your mouth. A protective 

windscreen covers the microphone . Do not use your headset 

without it. Replacement windscreens are available from your 

Plantronics supplier.

5.3 

 Ensure you speak into the front of the microphone

Make certain to speak into the front       of the microphone. 

You may need to rotate the microphone toward your lips. 

Temporarily remove the protective windscreen in order to 

determine which side is the front of the microphone.
Do not force the microphone arm beyond its limits.

6

Clothing Clip and Quick Disconnect

6.1

  Adjusting the Clothing Clip

Use the Clothing Clip to keep the headset properly seated, 

free from the weight of the cord. Attach the Clothing Clip to 

your clothing at a comfortable level.
To adjust the clip position on most models, squeeze the cord 

retainer button and slide the cord through to provide 

sufficient slack so that head movements do not disturb the 

headset.

6.2 

 Quick Disconnect

Supra headsets are equipped with a Quick Disconnect 

module that allows you to leave your work area to perform 

other tasks without removing your headset.
Before attempting to use your headset, be sure that the two 

Quick Disconnect halves are connected.

SUPRA  F53/F53N

®

F53 QS (61981-01)  7/17/02  4:52 PM  Page 1

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