Be aware that changing the horizon trend scale can change the angle of the trend indicator, without the
patient's condition having changed.
If a measurement exceeds the outer limits of the scale, the wave will be clipped and you must either
reset the horizon or the horizon trend scale to display the values outside the scale limits.
Setting the Time Period for the Trend Indicator Arrow
The time period for which the trend indicator arrow is displayed can be set in the
Select 10, 5 or 2 minutes.