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19.3. Infrared Chairman Unit TS-821, Infrared Delegate Unit TS-822
Model No.
TS-821
TS-822
Power Source
7.2 V DC (supplied from optional lithium-ion battery),
9 V DC (supplied from optional AC adapter)
Current Consumption
Max. 390 mA
In
fra
re
d E
m
itte
r/D
ete
ct
or Wavelength
870 nm (AM: Brightness modulation)
Modulation Method
Frequency modulation
Carrier Frequency
Transmission: Audio channel 1: 7.35 MHz
Audio channel 2: 8.10 MHz
Audio channel 3: 8.55 MHz
Audio channel 4: 9.15 MHz
Control channel: 6.45 MHz
Reception: Audio channel: 1.95 MHz
Covering Range
7 m or 22.97 ft (radius)
Input
Microphone terminal: XLR-4-31 type
Output
Monitor speaker: 8 Ω, 0.2 W
Headphones: ø3.5 mm mini jack (3P: monaural) x 2
LED Indicator
Speech indicator, Power indicator
Function
Monitor volume control
Headphone volume control
Priority speech function
Monitor volume control
Headphone volume control
Battery Life
Approx. 10 hours
Operating Temperature
0 to 40 ºC (32 to 104 ºF)
Operating Humidity
90%RH or less (no condensation)
Finish
Case:
PC resin, black
Speaker net: black, mat finish, paint
Dimensions
205.7 (w) x 70.3 (h) x 164.2 (d) mm (8.1" x 2.77" x 6.46")
Weight
525 g (1.16 lb)
Note: The design and specifications are subject to change without notice for improvement.