Jabra Biz 2400 II User Manual

Model: HSC021

Welcome

Thank you for using the Jabra Biz 2400 II. We hope you will enjoy it!

Jabra Biz 2400 II Features

Hi-Fi audio
Noise canceling microphone
Bendable 'Freespin' boom arm
Safetone hearing protection
Programmable buttons

Overview

2.1 Mono Variant

The Jabra Biz 2400 II headset is shown in its Mono variant (one earcup). It features a microphone boom arm. An inline control unit is connected via a cable. The control unit has four buttons labeled: Mute button [?], Volume button [?], Answer/end button [?], and Hold call button [⏸️].

2.2 Stereo Variant

The Jabra Biz 2400 II headset is shown in its Stereo variant (two earcups). It features a microphone boom arm. An inline control unit is connected via a cable. The control unit has four buttons labeled: Mute button [?], Volume button [?], Answer/end button [?], and Hold call button [⏸️].

2.3 Included Accessories

The following accessories are included with the headset:

Neckband
Headband
Earhooks (small & medium)
Leatherette ear cushion (medium)
Headband cushion
Clothing clip
Carry pouch

2.4 Optional Accessories

Additional accessories available:

Eargels
Leatherette ear cushion (large)
Foam ear cushion (large)

How to Wear

3.1 Adjust the Headband

Adjust the headband to find the most comfortable fit.

A diagram shows a person wearing the headset. An inset shows a close-up of the headband, with a green arrow indicating adjustment to achieve a comfortable fit.

3.2 Adjust the Microphone

It is recommended to position the microphone close to your mouth (approx. two fingers width). The microphone is bendable for personal preference.

Diagrams illustrate adjusting the microphone. One shows hands positioning the microphone boom arm close to the mouth, approximately two finger-widths away. Another shows the headset on a user, with the microphone positioned correctly.

3.3 Change the Wearing Style

The headset can be worn in three different styles: Earhook, Neckband, and Headband. Diagrams illustrate the conversion process for each style, showing how to attach or detach the headband, neckband, or earhook components.

How to Connect

Simply plug the headset into any USB port on the PC.

A diagram shows the Jabra Biz 2400 II headset with its inline control unit and USB connector. A laptop is shown, with a green arrow pointing from the USB connector to a USB port on the laptop, indicating the connection process.

How to Use

5.1 Everyday Use

Calls:

Mute/unmute microphone: Tap the Mute button [?].
Adjust speaker volume: Tap the Volume buttons [?].
Answer/end call: Tap the Answer/end button [?].
Hold/resume call: Tap the Hold call button [⏸️].

5.2 Multiple Call Handling

The headset can accept and handle multiple calls at the same time.

Multiple Calls:

End current call and answer incoming call: Tap the Answer/end button [?].
Switch between held call and active call: Press and hold (2 secs) the Answer/end button [?].
Put current call on hold and answer incoming call: Press and hold (2 secs) the Answer/end button [?].
Reject incoming call, when on a call: Double-tap the Answer/end button [?].

Software

6.1 Jabra Direct

Jabra Direct is software designed to support, personalize, manage, and enable optimal functionality for all Jabra devices. You can update firmware, change headset preferences, and more.

Download the latest version - jabra.com/direct

6.2 Programmable Buttons

The headset buttons can be programmed for other functions using Jabra Direct. Change the Button Configurations in the Device Settings menu.

6.3 Update Headset Firmware

Updating firmware improves performance or adds new functionality to your Jabra headset. Download and install Jabra Direct to enable firmware updating.

You will automatically receive a prompt in Jabra Direct when a firmware update is available for download.

Support

7.1 FAQ

View the FAQs on jabra.com/biz2400.

7.2 How to Care for Your Headset

Always store the headset safely protected.
Avoid storage at extreme temperatures (above 70°C/158°F or below -40°C/-40°F). This may adversely affect the headset.

Technical Specifications

Jabra Biz 2400 II Headset	Specification
Headset weight:	Mono headset: 54 g Stereo headset: 77 g
Headset dimensions:	Mono headset: L 139 mm x W 27 mm x H 167 mm Stereo headset: L 133 mm x W 27 mm x H 169 mm
Microphones:	Noise cancelling microphone
Speaker:	30 mm Dynamic PureSound speakers (Hi-fi)
Speaker maximum input power:	20 mW
Speaker frequency range:	Hybrid: 120 Hz - 4500 Hz Wideband: 100 Hz - 6500 Hz USB: 60 Hz - 1600 Hz
Operating temperature:	-20°C to 60°C (-4°F to 140°F)
Storage temperature:	-40°C to 70°C (-40°F to 158°F)

Copyright: © 2014 GN Netcom A/S, GN Netcom US, Inc. All rights reserved. Jabra® is a registered trademark of GN Netcom A/S. All other trademarks included herein are the property of their respective owners. The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by GN Netcom A/S is under license.

Declaration of Conformity: Can be found on www.jabra.com/CP/US/declarations-of-conformity.

Made in: China

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