18 ENGLISHJABRA GO 64307. ADVANCED JABRA GO 6430 FEATURES7.1 SAFETONE™ HEARING PROTECTIONSafeTone™ provides effective hearing protection against potential risks, such as acoustic shock and noiseexposure. SafeTone™ consists of two components, PeakStop™ and IntelliTone™.PeakStop™ acoustic shock protectionPeakStop™ automatically suppresses sounds over 118dB(A), protecting hearing from acoustic shock.PeakStop™ is only available from Jabra.IntelliTone™ noise-exposure protectionIntelliTone™ offers four levels of protection against acoustic shock and noise-exposure. IntelliTone™ settingscan be changed via the Jabra Control Center, under the ´Audio´ tab. IntelliTone™ is only available from Jabra.Protection level CriteriaLevel 0 (default) Basic protection (over 118dB(A))Level 1* Less than 4 hours on phone/dayLevel 2* 4-8 hours on phone/dayLevel 3* More than 8 hours on phone/dayLevel 4 (TT4) Recommended Australian protection level (Telstra)*Compliant with Directive 2003/10/EC of the European Parliament and Council of 6 February 2003.7.2 WIRELESS RANGEThe Jabra GO 6430 supports a maximum wireless range of up to 100 meters. Physical obstructions andelectromagnetic interference may shorten this range.Headset sound quality may slowly deteriorate the further the headset is away from the base, and may improvethe closer the headset is to the base. When the headset is completely out of range, a unique tone (three quickdescending notes) will be played in the headset every few seconds.If the headset is on a call when moved out of range, the audio will be lost; however the call will remain active atthe base for 120 seconds. To restore audio to the call, move the headset back in range of the base.If the headset remains out of range of the base for more than an hour, the headset will power down to conservebattery.7.3 WIDEBAND AUDIOThe Jabra GO 6430 supports both wideband and narrowband audio. Wideband audio offers better sound qualityat a reduced battery time.Narrowband is default-enabled for desk phones. Wideband is default-enabled for softphones. Mobile phonescannot use wideband audio.Change wideband audio settings1. Launch Jabra Control Center, and select the ´Audio´ tab.2. Tick the relevant checkbox under ´Enable wideband audio for´, and then click Apply.7.4 VOICE ANNOUNCEMENTSChoose to hear an English voice announcement or a musical tone to indicate switching between a desk phone,softphone or mobile phone.Change voice announcement setting1. Launch Jabra Control Center, and select the ´Headset´ tab.2. Tick the relevant setting under ´Target change indication´, and then click Apply.