Digi-WAVE illustration for Assistive Listening Applications.

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1. Hearing impaired student with DLT-100 - Teacher with DLT-100
Teacher speaks with lapel or headset microphone.
Student listens with headphones, earbuds, neckloop or desktop sound field speaker.

2. Team Teaching. Hearing impaired student with DLT-100 - Teachers with DLT-100
Both teachers can speak simultaneously with lapel or headset microphone.
Student listens to both teachers with headphones, earbuds, neckloop or desktop sound field speaker.

3. Hearing impaired student(s) with DLR-50 - One or two teachers with DLT-100
Both teachers can speak simultaneously with lapel microphone.
Student(s) listens with headphones, earbuds or neckloop.

4. Hearing impaired teacher with DLT-100 - All students with DLT-100
Teacher provides push-to-talk capability for any student and/or team teacher.
Students speak with lapel microphone.
Teacher listens with headphones, earbuds, neckloop.
Students cannot cancel each other or teacher(s) out.
If a hearing impaired student is present, # 1 also applies.