LED Activity/Beep Pattern/Indication under different Connections
2.4G RF Wireless Connection
Bluetooth LED Activity
OFF
Blue LED ON and then OFF
White LED ON and then OFF Beep Once
OFF
OFF
White LED ON and then OFF Beep Once
Bluetooth Connection
Bluetooth LED Activity
OFF
Blue LED ON and then OFF
Blue LED ON
Blue LED Flashing
Solid Blue LED (No Flashing) Beep Once
Blue LED Flashing
Blue LED ON and then OFF
Charge Power
Bluetooth LED Activity
Beep Pattern
OFF
5beeps
OFF
No beep
OFF
No beep
Downloads
This is a general quick setup guide applying for Model C750 , C990 and C740.
Full manual for above models are available to be downloaded from our of�icial
website. https://www.netum.net/
Beep Pattern Read indicator LED Activity (Square Shape)
No beep
OFF
Beep Once
Blue LED ON and then OFF
Blue LED ON and then OFF
Beep Once
Blue LED ON and then OFF
3 Beeps
Red LED Flash Three Times and Then OFF
Blue LED ON and then OFF, Green LED Flashing successful scan
Beep Pattern
Read indicator LED Activity (Square Shape)
No beep
OFF
Beep Once
Blue LED ON and then OFF
Beep Once
Blue LED ON and then OFF
Beep Once
OFF
Blue LED ON and then OFF
3 Beeps
Red LED Flashing 3 times and then Off
Beep Once
Blue LED ON and then OFF, Green LED Flashing successful scan
Read indicator LED Activity (Square Shape)
RED LED flashing 5 times
RED LED ON
Green LED ON
Indication
Sleeping /Power OFF
Wake up from Sleep Mode
successful scan
Go to sleep
Data transmit failed
Indication
Sleeping /Power OFF
Go to sleep Mode
successful scan
Bluetooth Pairing
Bluetooth Paired
Data transmit failed
Indication
Low Power Warning
Charging Power
Full Charge
(11)
Working Mode
Normal Mode
Store Mode
Working Mode
Normal Mode
Store Mode
Working Mode