7
LED 2
LED 8
LED 4LED 5
LED 1
LED 7
LED 6
LED 3
Multicolored LED indicators (circle)
Denitions
ON: LED steady on
ON x s, O x s: blinking, x seconds on, x seconds o
Red
LED 1-8 ON: Mute microphones
LED 1-8 ON 0.12s, OFF 0.12s twice every 3 minutes:
Low battery warning
LED 1, 3, 5, 7 ON 0.2s, OFF 0.2s for a total of 3s:
Factory reset
Green (USB mode)
LED 1-8 ON 2s: USB data connection is ready
LED 1-8 ON 1s OFF 1s: Call ringing
LED 1 ON 2s: Volume level 1-2
LED 1 & 2 ON 2s: Volume level 3-4
LED 1-3 ON 2s: Volume level 5-6
…
LED 1-8 ON 2s: Volume level 15-16
Blue (Bluetooth mode)
ON 0.2s OFF 3s: Bluetooth is not paired or
paired device is not available
ON 0.2s OFF 0.2s: Bluetooth pairing
ON 2s: Bluetooth is ready
ON 1s OFF 1s: Call ringing
ON 0.25s, OFF 0.25s, ON 0.25s, OFF 2s :
Call Waiting
LED 1 ON 2s: Volume level 1-2
LED 1 & 2 ON 2s: Volume level 3-4
LED 1-3 ON 2s: Volume level 5-6
…
LED 1-8 ON 2s: Volume level 15
Purple
LEDs ON 2s to indicate battery charge level
LED 1-8: 100% LED 1-4: 50%
LED 1-7: 87.5% LED 1-3: 37.5%
LED 1-6: 75% LED 1-2: 25%
LED 1-5: 62.5% LED 1: 12.5%
and then OFF one by one every 2s in the
following order: LED 8, 7, 6, 5, 4, 3, 2, 1.
White
LED 1-8 ON 1s: NFC detected
LED 1-8 ON 2s: Power up
LED 1 ON: Voice is active near LED 1 area
LED 2 ON: Voice is active near LED 2 area
LED 3 ON: Voice is active near LED 3 area
…
LED 8 ON: Voice is active near LED 8 area
LED 1-8 ON 0.4s, and then OFF one by one
every 0.4s in the following order: LED 8, 7, 6, 5,
4, 3, 2, 1 : Press and hold Power key in power
on state
Red and Green
LED 1, 2, 5, 6 ON red & LED 3, 4, 7, 8 ON green: Firmware upgrading