24enGLIshbattery indicator slow flashing blue. sleep mode will end when docking orundocking the headset.Automatic headset power offafter 60 minutes of no link between headset and base, the headset willautomatically power off. to power the headset on, tap the multi-functionbutton.7.5 REmOTE CALL CONTROLRemote call control (or hookswitch) is the control mechanism used to answeror end a call on a desk phone. to enable the Jabra PRO 920 headset to answeror end calls, the desk phone will need to have a Jabra Link or a Gn1000installed.Electronic Hookswitch (EHS)an electronic hookswitch is a feature on some desk phones that enables callsto be answered or ended by the headset multi-function button. to use thisfeature an electronic hookswitch adapter (e.g. Jabra Link) needs to beconnected between the desk phone and the Jabra PRO 920 base. to purchase aJabra Link contact your supplier, or visit www.jabra.com.Gn1000a Gn1000 manually lifts the handset from the desk phone receiver toautomatically place or answer a call. to purchase the Jabra Gn1000 remotehandset lifter contact your supplier, or visit www.jabra.com.7.6 HOW TO CHANGE THE ADVANCED SETTINGSseven advanced settings can be configured using the base. Voice promptsindicate the current setting and value. the seven settings are:• Mute reminder tone.• Ringtone.• audio protection.• Wireless range.• auto sleep mode.• Remote call control.• Wideband audio.