3ENGLISHCONTENTS1. WELCOME .......................................... 42. SPEAKER OVERVIEW ......................... 52.1 TURN ON THE JABRA SPEAK 5102.2 CHARGING THE JABRA SPEAK 5103. CONNECTING .....................................73.1 CONNECT TO JABRA LINK 3703.2 CONNECT TO MOBILE DEVICE (BLUETOOTH)3.3 CONNECT TO BLUETOOTH HEADSET4. HOW TO USE THE JABRA SPEAK 510 .. 114.1 MULTIPLE CALL HANDLING4.2 SWITCH BETWEEN BLUETOOTH DEVICES4.3 VOICE GUIDANCE ON/OFF4.4 SMART BUTTON5. SOFTWARE ....................................... 155.1 JABRA DIRECT5.2 UPDATE JABRA SPEAK 510 FIRMWARE6. SUPPORT ..........................................166.1 FAQ6.2 HOW TO CARE FOR YOUR JABRA SPEAK 510