Zebra-Tech Ltd
D-OptoLogger Operation Manual
15
Appendix 3: LED flash sequence codes
Inside the D-OptoLogger housing, next to the battery and communication socket,
there is an LED. The LED flashes according to the current status of the D-
OptoLogger. The interval between the flashing sequence may be up to 8
seconds.
1 Flash = Operational
2 Flash = Delayed start
3 Flash = Not operational, waiting for PC communications
4 Flash = Memory full
5 Flash = Low battery shut down
