26 Using Insight Software DATAPAQ XDL12
Trigger Mode Select here a means to start the logger recording data.
Start Button After reset, data-recording starts when the logger’s green
start button is pressed and held for 1 second.
Date and Time Data recording starts at a specified date and time. The
current date appears by default.
Rising Temperature Data-recording starts when the temperature of any
probe rises to the specified value.
Falling Temperature Data-recording starts when the temperature of probe
no. 1 reaches the specified value as it is falling.
3. After clicking OK, the logger is reset and a message box confirms the
sample interval and trigger mode you have set.
Using Previous Reset Options
The XDL12 retains the last-programmed set of reset options. Thus it is not
necessary to go through the reset procedure if the same reset options are to
be re-used. Instead, simply press the Start button to start data-collection with
the same reset options as before (if trigger mode was set to date and time,
logging will nevertheless start immediately). Temperature data which is still held
in the logger and which has been downloaded will then be overwritten (if the
logger contains data which has not been downloaded, a run cannot be carried
out unless the data is downloaded or the reset procedure is performed).
Previous reset options are lost if the battery is removed. When it is replaced, the
default reset options are: 1-s sample interval, all channels selected, start button as
trigger mode.
Downloading Data
If data acquisition has to be stopped manually, press and hold the logger’s red
stop button until the red and green logger-status LEDs are on simultaneously.
A red logger-status LED flashing every 5 seconds indicates data stored in the
logger but not yet downloaded to the PC.
The procedure described here uses the Insight software’s Logger Download dialog.
If you are less sure of the process, you can instead use the Logger Download
Wizard to guide you, step-by-step, through this stage of running a profile: click
on the Insight toolbar, or select Tools > Wizards from the menu.
1. If not already attached, connect the logger to the PC with the
communications lead. The red LED on the logger should flash five times to
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