Intelligence contests, buzzer is indispensable equipment, the buzzer is a can accommodate six group team quiz buzzer, after sending the vies to answer first start command on the host, the provisions of the time just by effect between groups press vies to answer first, vies to answer first invalid otherwise,

The main requirements and indicators:
1. Set a host keys for the host announced the vies to answer first start. Vies to answer first began, 6 contestant vies to answer first effectively, at the same time start the timer timed,
2. Set up six for the use of six people vies to answer first vies to answer first buttons, after the first vies to answer first key press to lock the buzzer, using sound, light, LED display is the number keys to, press the vies to answer first, after
3. Arrange the count down timer, no contest, if after the start of a due time automatically give signal to stop vies to answer first, countdown timer time can be preset,
4. (*) to foul players notice given signal,

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