Hydro-Logic
®
Flexi Logger 100
User Manual
6 April 2018
Page 10 of 62
Getting started
These instructions assume
•
You are unfamiliar with the Hydro-Logic
®
Flexi Logger 100
•
You have purchased the logger with a
•
You have ordered the logger with a sensor
•
Pre-wiring and configuration service
The instructions cover the
most important aspects of logger operation
. They
should be carried out
before the logger is installed on site
.
Switching the logger on and off
The logger is shipped in the OFF state. Press and hold the power button (A) until
a green flash is seen in the LED window (B)
The logger is now ON. You should see a blue LED flash every two seconds.
There are other patterns of LED activity, which are described in
You can switch the logger off by pressing and holding the power button until you
see a red flash. The logger is now off.
Note that the internal clock is stopped when the logger is switched off, but the
configuration and stored data are preserved. You need to reset the logger clock
after it is switched on so that data from the sensor is correctly time-stamped.
This can be done either by