ZOLL thermogard xp Operation Manual page 91

Figure 4-69. Set Time Scale.
3. Press the knob once. The screen displays the message "Select interval"
followed by four interval choices. The most recent choice will be
highlighted.
Figure 4-70. Select Interval.
4. Turn the knob to highlight your desired selection. When it is highlighted,
press the knob once.
5. The screen displays the pop-up menu again. Turn the knob to highlight
the "Cancel/Exit" selection.
6. Press the knob once. The menu will disappear and the temperature trend
graph will be displayed using the interval you selected.
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Operation
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