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24. Once the FOCUS position has been measured, you will see the screen below. If there was a problem with the
measurement (such as a transient was detected), please follow the instructions to repeat the measurement.
Until you see this screen then STOP and read the next section before moving on.
25. Next, ERGO Cal will measure the other positions in the room. The number of room positions needed depends on
the value of Room Knowledge. If it is below 90% after the third measurement, ERGO Cal automatically includes
extra room measurements until a Room Knowledge of 90% or better has been achieved. The remaining
measurements should be taken from random positions in the room with random orientations of the microphone.
Choosing these positions (possibly other listening seats, or a couch in the control room) or places many people
would stand if they are in the room (you can even try finding problem spots in the room and taking an additional
measurement there. All you have to do is place the microphone at different positions in the room and in different
orientations. It is important to perform well-spaced measurements to get a covering image of the acoustical
properties in the room that is varying positions, heights, and orientations of the microphone.
For optimal room correction, make sure that the measurements are:
1. Performed more than 1 m (3 ft) away from the loudspeakers
2. Not performed behind the loudspeaker
3. Taken at a minimum of 50 cm (1.5 ft) between each measurement
The following illustration shows the steps listed above:
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