SCANTECH ID (Champtek company) V-1040BT - Manual (Page 93)

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G. LED Indicator Status
Status
Scanner Indicators
LED Buzzer
Power On
Green Light and Buzzer
Simultaneously
Be-Be-Be* 2 loops
Battery No Power Red Blink 3 times Bi-Bi-Bi
Battery Low Power Alarm Red Blink 1 time Be per 20 seconds
Battery Very Low Power
Alarm
Red Blink 4 times Bi-Bi-Bi-Bi per 10 seconds
Memory Full Red Blink 2 times Be-Be
Transmitted Succeed Green Blink 1 time Be
Transmitted Fail Red Blink 2 times Be-Be
Configure Setup
Green Light and Buzzer
Simultaneously
Bi-Bi-Bi
BT Connecting Build Blue Blink 2 times per second N/A
BT Connecting Succeed Blue light 2 second Up-Tone
BT Connected Blue Blink per Second N/A
BT Disconnect Blue Light 2 Second Down-Tone
Charging Red Light Continue N/A
Full Charge Green Light Continue N/A
Enter Sleep N/A Down-Tone
Link Quality not Good Green/Red Blink Di Do
‘Be’ means Long Beep, ‘Bi’ means short beep.