This parameter must be set to 1, or the door operator will not work.

此参数必须设定为1，否则门机无法工作。

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To the door operator having synchronous door knife must ensure that get auxiliary door lock after close the door knife.

对于同步门刀门机必须保证收刀后，再接通副门锁以确保电梯安全运行。

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The electric door operator box has the advantages of simplifying the structure of the electric door and being more convenient in assembly, disassembly and maintenance.

本实用新型的优点在于开门机结构简单，装配拆卸维修更加方便。

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Out the door have gone a motorcycle factory and brewery in Shanghai, a stake in Chinese satellite operator Apstar, and a string of other non-core ventures in an effort to pay down debt.

CNN: CP'S CORE CONCERNS