DM-8P type digital tape
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Controlling the learner's digital tape unit

| 1. Volume control | 7. Stop |
| 2. Display-unit (3 digit) | 8. Record |
| 3. Signal buttons (test buttons) | 9. Fast-repeat |
| 4. Rewind | 10. Marker |
| 5. Forwardwind | 11. Reply leds |
| 6. Play | 12. Marker numbers |
The learner's unit contains a signal button (each of the A,B,C,D marked buttons can be selected). With the help of this signal button the learner can sign to the teacher during the lesson. At the start of the lesson the learner has to press the signal button so that his/her microphon will turn on. The volume of the learner's headphone can be adjusted by the buttons marked " Volume " . Pressing the up and down buttons the volume can be countinously increased or decreased.