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5
Instrument Description
1 - Green LED
2 - Red and
Yellow LED
3 - Power Button:
turn on the
Datalogger
LED Flash Indications
Single LED flash indication
RED LED:
The sound level is over the alarm range
(will flash twice-high alarm, once-low alarm).
Yellow LED:
Memory is full or datalogger has been stopped
manually (10s/time)
Green LED:
Datalogger’s normal working indication
(cycle time can be setup from the software)
Mixed Flash
Red/Green/Yellow: DataLogger is starting to measure (automatic mode)
Green LED:
Datalogger start to measure in manual mode
(will flash 6 times in 2 seconds)
Green LED:
Datalogger is resetting (will flash 5 times sequentially)
Red LED:
Datalogger stopping measurements, indication after
operation manually stopped (will flash 6 times in 2 seconds)
Red & Yellow Alternately:
Download the data to PC
RED & Green LED: Low battery indication(10s/time) or the datalogger
was stopped manually (will flash simultaneous)
