◆ The center of main controller in infrared curtain is central processing
unit which helps to have better control and detect performance.
◆ Buzzer will ring if the infrared curtain is activated or system fails.
◆ Time-delay function allowed 5 beams what non adjacent are by passed
and theelevator could normal operation.
◆ Test mode is used for further detection for system working status and
error position.
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