RKI Instruments SDM-E2 - Manual (Page 121)

Logs Button • 116
The IR Range Select box is located in the upper right corner of the graph
portion of the alarm trend screen just to the right of the CAT Range Select
screen and is used to make the unit selection for the IR channel.
Figure 85: Autoranging IR CH
4
Alarm Trend Data, Graph Format
NOTE: The IR Range Select box in the upper right hand corner only appears if
an IR HC or CH
4
sensor is installed, is in use, and is set up for
autoranging. If an IR HC or CH
4
sensor is not installed, if its channel is
turned off, or if the channel is set up for % LEL only, this box will not
appear.
• To zoom in on a particular part of the graph, drag a box around that area so
that it is highlighted in gray. The graph will zoom in. To return to a previous
zoom, click the Previous control button in the upper right corner of the
graph section. To return to the original zoom, click the Restore control
button in the upper right corner of the graph section.
• A vertical red line appears on the graph at the point that created the alarm
trend file. Clicking anywhere on the graph will move that red line and