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2.3.3
LEDs and buzzer status specification
Blue
Red
Buzzer
Signification
4
beeps
Power Up
TCM4 in
bootloader
mode
Normal operation
Blinks
on steps
A copy from host computer to storage zone of
TCM4 on USB mass storage is in progress
Blinks 2, 3
times slowly
and stays ON
A
firmware’s
update is done (copy of firmware
from storage zone to application zone and
firmware verification)
Blinks every
500ms
TCM4 in
application
mode
Normal operation
Blinks every
500ms
1 beep
Card detected
OCT 2020