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1 Basic Operation Freezing Waves
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Select a value from the list of available speeds.
Changing Wave Speed for a Channel
To change the wave speed of an individual wave channel,
1 Enter the Wave menu for a measurement by selecting its wave.
2 Select Change Speed.
3 To set the speed to the wave group speed, select RespiratorySpeed, EEG Speed, or
Global Speed.
To set an individual channel speed, select a numeric value from the list of available speeds. This
overrides the wave group speed setting and set the speed for the individual wave channel on the
monitor Screen. The wave channel speed is independent of the wave (label) depicted in the
channel, if you change the wave, the new wave will retain the set channel speed.
Freezing Waves
You can freeze waves on the screen and measure parts of the wave using cursors. The waves are frozen
with a history of 20 seconds so that you can go back and measure what you have seen.
Freezing An Individual Wave
To freeze a wave,
1 Enter the Wave menu for the measurement by selecting the wave on the screen.
2 Select Freeze Wave.
The realtime wave is replaced with the frozen wave.
Freezing All Waves
To freeze all waves on the screen,
1 Select the Freeze Waves SmartKey.
All realtime waves are replaced with frozen waves.
Measuring Frozen Waves
To measure a frozen wave,
1 Select the frozen wave.
If you are using touch, this automatically positions the vertical cursor. The cursor can be
repositioned by touching the required point on the wave, or
2 Using the Speedpoint or another pointing device or touch: use the right/left arrow keys to move
the vertical cursor.
The vertical cursor moves through the time axis and the current value is displayed next to the
cursor.
3 Use the up/down arrow keys to activate and move the horizontal cursor.
The horizontal cursor measures the wave value, which is displayed above the cursor line.