3.2.2

外召唤信号处理

..............................................................................................25

3.2.3

综合信号处理

...................................................................................................27

3.3

电梯的信号显示和铃控、报警....................................................29

3.3.1

电梯信号显示

..................................................................................................29

3.3.2

铃控与报警

.......................................................................................................33

结言..................................................................................................34
参考文献............................................................................................35

III