Door Open V Close Doors V Signal Bell V Repeat
Signal Bell instructions Signal Meaning 1 Stop 1—1 Zone of speed restriction over, resume prescribed speed 1—2 Close doors 2 Ready to start 2—2 Do not open doors 3 Set Back 3—1 Lock central door locking 3—2—1 Testing doors 3—3 Guard required by driver, or guard or driver to speak on the telephone 3—3—1 Release central door locking 4 Slow down 5 Driver/Guard leaving the train 6 Draw forward 9 Police assistance required