introduction
Congratulations on the purchase of your new Radium sound field system! With proper care
and use it will become one of your most valuable classroom educational tools. Students will
be able to consistently and easily understand the teacher, regardless of their location in the
classroom, or competing internal or external background noise. Teachers can speak all day
in their normal voice, and will suffer far fewer vocal problems and absenteeism.
Numerous studies show that classrooms using sound field enjoy better student comprehen-
sion, increased student participation, better grades and fewer behavioral referrals.
Read this manual carefully to become familiar with your system and to get the most out of
it’s many features and options.
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3850 Radium216 Syste User Guide 3/19/04 3:08 PM Page 7
