Compressing And Expanding Data - Omega RD8800 User Manual

Chapter 3 Getting Started
When browsing graphics, the Status Bar at the top of the screen shows the Date and Time stamp and actual
value for the trace data directly under the cursor. If you are browsing Memory, there will be an "M" in the right
hand corner of this line. If browsing Files, there will be an "F" (see example below).
07/27/96 17:03:06 point 1: 0.318 Volts F
To see the actual pen data value press the PEN button to toggle the data through each trace if more than one
trace is displayed. As the data is toggled, the traces for all pens but the selected one disappear.
Press the EXIT button to return to real time viewing from the RAM browser or to the File Directory from the
FILE browser.

3.13.5 Compressing and Expanding Data

The data on the screen may be compressed up to 32 times the normal view which enables long term trends to
be seen on a single screen. Each time the " " (Compress) button is pressed the data is compressed by a
factor of 2. Allow a period of time for the Recorder to process the data. Pressing the " " (Compress) button
five times will give the maximum of 32 times compression.
The user can enter the Interactive Browse Mode with any level of compression by simply pressing the BROWS
button. The data may be expanded back by pressing the " " (Expand) button.
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