Extech Instruments 42275 - Manual (Page 6)

V7.1 1/08 6
Zoom and Pan on Graphs
To zoom in, press the <Ctrl> key and click the left mouse button over the desired point;
release the <Ctrl> key after the mouse button is pressed. The view resolution increases
until the mouse button is released. To zoom out, click the right mouse button.
To pan, press the <Ctrl-Shift> keys and click the left mouse button over the desired point,
and then drag the mouse to another point. The graph view scrolls so that the original point
now appears under the new mouse cursor location. Drag the mouse anywhere on the
screen.
To restore the view to its original state (after zooming or panning), press and hold the left
mouse button and drag the line on the Offset or Range knob (located in the DISPLAY
CONTROLS section).
Horizontal Axis select switch
Use the mouse to control the switch and select Record number or Time (HH:MM:SS) label
for the horizontal axis of the graph.
Warning message
A warning message will appear on the lower left if the Datalogger is disconnected from the
PC.
<< WARNING: Data Logger not plugged into interface module! >>
Display Control
After downloading or retrieving a record, the numbers on the "Offset" and "Range" knobs
will change to:
Offset: 0000/5000/10000/15000
Range: 50/250/500/1K/2K/4K/8K/12K/16K
Save File
To save a transferred data file
Click on SAVE FILE, select a folder, and name the data file.