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1.2.3 Schematic diagram of Infrared conference system main unit
1) Power switch (Press I to turn on the power, power indicator is lighting, press O to turn
off the power)
2) LCD (Display current mode, online microphone number, activity microphone number
and ID)
3) Admin card interface
4) Menu: system volume/LCD contrast/project setting
5) Mode choose/setting key
6) Mode choose/setting key
7) Enter: To confirm the setting
8) Warning: Warning indicator, if any microphone battery is low during the meeting, main
unit warning indicator will flashing with warning sound, LCD will display XXX battery
low.
9) Audio Level indicator
10) Antenna interface
11) Data: External video processor connection interface
12) Audio out interface
13) System line out interface
14) AF IN A: Receiver connection interface
15) AF IN B: Receiver connection interface
16) Fuse
17) AC Power input (AC220V/50Hz)
