OPHIR vega User Manual page 47

the sampling rate to set the time interval and log size
and enter (Note: for log periods of 5 minutes or less,
this setting has no affect and every measurement will
be stored). To save these values as defaults, press
"Save" after entering them.
3. Now press "Log".and you will be in the power graph
screen (See Figure 4.4). Press "Go" and the
measurement will begin immediately. The "Go"
button will now change to "Pause". If you wish to
pause the measurements without losing data
gathered, press "Pause" . Press "Pause" again to
resume measurements. When the data register is full,
"FULL" will flash on the screen. If "Zoom" is pressed
at any time, the screen display will expand fivefold
around the present power value. Press "Zoom" again
to cancel the expansion. If you want to start a new
measurement and not save the present data, press
"Reset". If you want to save the data before making
a new graph, see the next section.
Note:
For data logging, the instrument has to be in a manual
power range. If the sensor is configured for
autoranging the, Vega will re-configure it to be in the
manual range that is closest to the last set of
measurements that were taken.
Warning:
Pressing "Reset" will erase all previously stored data
and start recording new data. Pressing any of the
navigation Keys will end the log session and return to
the setup screen.
4. Along with a graph of the logged data, the
Vega provides a statistcal summary of the
log session as well. This summary is
updated once per second.
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