Crestron electronic Surround Sound Tuning Kit - Manual (Page 16)

Professional Surround Sound Tuning Kit Crestron
Tuning Kit and therefore more than one microphone, it is important that you choose
the correct serial number for the microphone you are using during the installation.
The serial number on the microphone setup file should match the one printed on the
microphone.
Click the forward arrow to proceed to the “Measurement” screen.
Measurement
“Measurement” Screen
The microphone should be positioned as far out from the stand as possible to
minimize the effect of stand reflections.
NOTE: You must place the microphone in a vertical position with the capsule
facing the ceiling for all measurements. Refer to illustration on page 3.
Quiet the room as much as possible. Background noise can disrupt the room
measurements. Turn off cell phones, televisions, radios, air conditioners, fluorescent
lights and other devices or home appliances. Close any open windows.
Refrain from talking and do not sit or stand directly between any of the speakers and
the microphone during the room measurements. Each speaker will emit a series of
test signals during the measurements and your body and background noise can
disrupt the microphone’s ability to properly record the room response to the test
signal.
Position 1 Measurement
For the Position 1 measurement, place the microphone at the primary or most central
listening location. The height should be the ear height of a listener seated at this
position.
NOTE: It is important to have the microphone in the primary listening position for
the first measurement. Every position measurement will record the room’s frequency
and time response but Position 1 also detects the absolute polarity of each speaker,
calculates the exact distance (within a half inch) for setting delays and determines
levels (within half a dB) for each speaker. The speaker type, distance, level, filter
8 • Professional Surround Sound Tuning Kit Operations Guide – DOC. 6565C