Documentation

Infrared Teacher Microphone

Infrared Teacher Microphone System

The System

The new Audio Enhancement Infrared Teacher Microphone System powered by Panasonic audio technology brings a new level of  convenience to the classroom. With a revolutionary new patented remote control feature, the teacher is able to control the volume of the student microphone, his or her microphone or the auxiliary input level. Teachers, administrators, and students will appreciate the improved performance and ease of use.   

Technical Data

  • Microphone element:  Uni-directional Electret (cardioid)
  • External Controls:     
    • “PWR” , “MUTE”- Power/Mute: On/Off & Mute
      • Press and hold for 0.5 sec to turn off
      • Press momentary and release to mute or un-mute
      • Press and hold for 2.0 sec to turn off
    • “SELECT” - Select: Own-Other – Line input for remote control
      • Momentary push to rotate between source selection
      • "F" (Function): Activates Function 1 or Function 2
      • Function 1 – momentary press activates on each press
      • Function 2 – press and hold for 2 seconds to activate
      • Remote volume buttons (up/down)
      • Momentary press up or down to change level
  • Internal Controls:       
    • Channel selector (1-4) and Function selector switch (1-2)
      • 10 position rotary switch
  • External connections: 
    • “AUDIO IN” - 3.5mm stereo jack - External audio line level input
    • “MIC IN” - 3.5mm stereo jack -External audio mic level input
    • “3.3V = IN” - Charging connector
  • External Indicators:   
    • “OWN”, “OTHER”, “LINE” LEDs
      • Blue LED under each label indicates current selection
    • “BATT” LED indicates status
      • Battery power
        • Green – OK
        • Yellow – caution, low battery
        • Red – battery too low turning unit off
      • Channel select error – flashing green indicates invalid ch
    • “CHG” LED indicates status
      • Charging – Red, continuously lit
      • Charging complete – LED off
      • Charging fault – LED blinking
  • IR Channel frequencies:
    • Ch. 1 – 2.3 MHZ; Ch. 2 – 2.8 MHZ; 
    • Ch. 3 – 3.2 MHZ; Ch. 4 – 3.8 MHZ
  • Battery type:   1 – AA, NiMH or Alkaline
  • Battery life: 8 Hours
  • Battery charge time: Maximum 8 hours
  • Battery Management:
    • Internal microprocessor monitors battery condition and prevents over-discharge and over-charging.
  • Dimensions:
    • 3.35 H x 1.97 W x 0.98  (85 H x 50 W x 25 D mm)
  • Weight:          
    • 2. 9 oz (85g)
  • Condition of installation: Indoor use

 
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