20
BAR GRAPH
This mode is designed for situations where large data collection is needed for long
periods of time (normally over 60 seconds and lasting for hours or days). Seismic
and/or air data is collected and recorded in a bar graph (histogram) format and
stored in the internal memory for future use. The instrument stores the history in
an event format and creates a new event at midnight each day. The longest time
span for any event will be 24 hours. Each 24-hour recording is given a job number
on the record stored in memory for easy reference. No digital waveform is stored
in this mode. The current summary bar graph results will display on the LCD in
real time. With this mode, you can press the ↓ arrow button to view the current
job peak results, which is a summary of peak data since starting the job. You can
also press the ↑ arrow button at any time to see impulse readings.
