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Discovery 655/665: How to Adjust Volume/Mute

記事ID:

000001499

Adjusting Volume and Using the Mute Function

Adjusting Volume To increase listening volume, press the upper end (+) of the volume/mute button.  To decrease listening volume, press the lower end (-).
Caution: For your comfort, health, and safety, do not exceed moderate listening levels. Mute Function To turn the mute on while on a call, press both sides of the volume/mute button simultaneously until you hear a beep.  To turn the mute off, press both buttons again.