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2 Basic Operation Freezing Waves

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 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 sets 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.

This automatically positions the vertical cursor. The cursor can be repositioned by touching the

required point on the wave, or

2 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. If the

wave is a pressure wave, the cursor value can be stored as a systolic, diastolic or mean pressure value

and if the pressure wave is a PAP wave, it can also be stored as a PAWP value. The stored value

appears in the trend database as a manually entered value. To return to the vertical cursor use the

<> pop-up key.

Changing The Wave Speed

Lowering the wave speed compresses the wave and lets you view a longer time period. Increasing the

speed expands the waveform, giving you a more detailed view.

Philips IntelliVue MP5 User Manual

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