Bedienungsanleitung Jabra gn 9330 (Seite 8 von 47) (Englisch)

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2.4.5 Protection level selection

Your headset oﬀers a choice of 4 protection levels (plus its additional basic protection level).

These levels protect you against sudden, overly-loud sound spikes that may come from the

phone network (such as shrill telefax signals or network interference), and provide a limit to the

maximum noise exposure from the headset during your workday.

The number of hours (on average) you spend on the telephone per day determines the setting

you should select. All 4 protection levels meet and exceed de facto global protection levels,

and are compliant with NIOSH standards, and EU health and safety codes of 85 dB(A). The TT4

protection level is compliant with pertinent Australian recommendation.

Important: In some jurisdictions, applicable regulations or laws may mandate the required setting you use.

The Default level provides a protection level of 118 dB(A). Your headset protects you against overly-loud sound

spikes. If you use the telephone’s handset for calling, you will not have this protection.

CAUTION: Loud and high-pitched noise may cause temporary or permanent damage to your hearing.

This equipment is designed to offer protection against loud and high-pitched noises and conforms to current

regulation. However, this equipment may not necessarily provide you with complete protection. To reduce the

potential damage to your hearing that may be caused by loud and high pitched noise; the output level must be

set to the minimum level possible for your use

Protection level Criteria for selecting

Level 0 (Default) Basic protection against overly-loud sound spikes

[118 db(A)]. Auto volume disabled

Level 1* Less than 4 hours on telephone/day

Level 2* 4-8 hours on telephone/day

Level 3* More than 8 hours on telephone/day

Level 4 (TT4) Recommended Australian protection level (Telstra)

* Compliant with Directive 2003/10/EC of the European Parliament and Council of 6 February 2003.

To change the protection level:

1. Use

to locate the protection level menu on base display.

2. Use

6 to select one of the 5 modes from the menu.

3. Press OK to conﬁrm the new mode.

Automatic volume adjustment and noise reduction

Your headset oﬀers two built-in features which give you optimum sound levels and quality.

Both features operate automatically, so you need not make any adjustments to the headset.

Automatic volume adjustment

The automatic volume adjustment feature automatically sets the volume levels of all calls,

so that each call is heard at the same, consistent volume you have set. Autovolume is not

enabled in protection level 0. You can also adjust the volume manually directly on the headset.

Noise reduction

The automatic noise reduction feature improves the sound quality of incoming calls by removing

impurities transmitted with the signal, such as background noise from your caller’s environment.

GN9330e USB

GN9330eGN9350e

2.4.6 Hookswitch selection (without LCD)

The GN9330e enables you to answer and end calls remotely by using the GN1000 RHL, or its

built-in electronic hook switch (EHS) modes. EHS is only possible on certain telephone systems.

In order to determine which telephones have the EHS feature enabled, please refer to our

website www.jabra.com. Please also refer to your telephone’s user manual for clariﬁcation.

4 modes are available:

GN RHL (Default) non-EHS; works with the GN1000 RHL

DHSG e.g. Siemens, Elmeg, Cisco, Avaya, and Polycom desk telephones

AEI e.g. with Tenovis desk telephones

MSH e.g. with Alcatel desk telephones

Note: By default, the GN9330e is set to the RHL interface, which also is the correct setting if you manually operate your

handset when answering/ending calls as described in the Guide for basic set-up and use.

8 9

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