Dvd level controls for media (line) sources front panel line input for a portable device output level control for assistive listening front panel line level output for assistive listening device such as a student fm transmitter teacher and student volumes are remotely controlled from the teacher mic...
3 optional safe system alert activation press and hold the function button for 3 seconds [requires installation of safe (security alert for education) system components] you can tell that the microphone sent the alert signal when the red chg light is illuminated. The three leds on the ceiling mounte...