Button
Action
Press and
release
Volume Up
Press and
hold
Press and
release
Volume
Down
Press and
hold
Multi-
Press and
Function +
hold
Send
6.2. UIM LED indicator functions
Handset
LED
Device
Connected
BLUE
On
GREEN
Dim
RED
Dim
4 Bluetooth
®
Idle
• Increase VR
• Increase VR
volume by
one level
-
• Increase VR
• Increase VR
volume by
one level
-
• Reset
• Reset
Pairing
Call muted
Flashes Slow
Flashes
off slow
Dim
Dim
Dim
Dim
State
Connected
• Increase
volume by
hands-free
one level
volume by
one level
• Mute
-
• Unmute
• Decrease
volume by
hands-free
one level
volume by
one level
• Mute
-
• Unmute
• Reset
State
Incoming
call
Flashes Fast
Dim
Dim
Call
VR session
• Increase VR
volume by
one level
• In language
menu, select
next language
-
• Decrease VR
volume by
one level
• In language
menu, select
last language
-
• Reset
Upon Ignition
Idle
off
Dim
Flashes ->Off
Dim
Dim->Off
Dim
Dim->Off