Basic call management, 2 call waiting, 3 conference call with multiple headsets – Jabra PRO 930 User Manual User Manual
Page 16: 3 headset mute button, 4 headset led indicator

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5.3 HEADSET mUTE BUTTON
the mute button mutes or un-mutes the headset microphone.
Mute button
5.4 HEADSET LED INDICATOR
the LeD indicator indicates call status.
Led indicator
Headset state
LED sample
(click to view)
Headset state
LED sample
(click to view)
Connected
headset docked in
base
not connected
headset docked in
charger
active call
headset docked in
unknown base
Incoming call
settings copying
Power on
settings copied
Power off
settings cannot be
copied
Pairing
Firmware updating