Midland BT Intercom Guide D'utilisation page 19

LIGHT AND SOUND SIGNALS – DRIVER'S UNIT
LED indication
None
Triple blue flash
Triple red flash
Single blue flash every 3 seconds
Double blue flash every 3 seconds
Rapid red-blue alternating flash
Single red flash every 3 seconds
Double red flash every 3 seconds
Steady red
Steady red turns off
Audio signals
Ascending tone (low-high)
Descending tone (high-low)
1 tone
2 tones
2 beeps
LIGHT AND SOUND SIGNALS – PASSENGER'S UNIT
LED indication
None
Single blue flash every 3 seconds
Rapid red-blue alternating flash
Single red flash every 3 seconds
Double red flash every 3 seconds
Steady red
Steady red turns off
Audio signals
2 beeps
Intercom activation mode
Status
Headset switched off
Headset being turned on
Headset being turned off
Standby (not on a call)
Active (on a call or initiating a connection)
Pairing mode
Low battery while in stand-by
Low battery while a call in progress
Charging
Fully charging
Status
Headset being turned on
Headset being turned off
Toggle VR feature on
Toggle VR feature off
Intercom in stand-by mode
Status
Headset switched off
Headset being turned on
Pairing mode
Low battery while in stand-by
Low battery while a call in progress
Charging
Fully charging
Status
Intercom in stand-by mode
2 tone = enable by VOX / 1 tone = intercom always on
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