Cisco 520 Series Quick Reference Manual

Also see for 520 Series: User guide Hardware installation guide Software configuration guide

Cisco Headset 520 Series Quick Reference GuideHigh Sound Pressure—Avoid listening to high volume levels for long periods toprevent possible hearing damage.When you plug in your headset, lower the volume of the headset speaker beforeyou put the headset on. If you remember to lower the volume before you takethe headset off, the volume will start lower when you plug in your headset again.Be aware of your surroundings. When you use your headset, it may block outimportant external sounds, particularly in emergencies or in noisy environments.Don’t use the headset while driving. Don’t leave your headset or headset cablesin an area where people or pets can trip over them. Always supervise childrenwho are near your headset or headset cables.Incoming call Blinking greenActive call Steady greenMuted call Steady redIncoming call Blinking redActive call Steady red

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