Specifications

ST900 Family General Handbook
667/HB/32900/000 Issue 12 Page 9 of 265
11.6 Effect of Red Extensions and SDE/SA ..................................................... 126
12 MODES ............................................................................................................. 127
12.1 Mode Priority ............................................................................................ 128
13 START-UP MODE ............................................................................................ 130
13.1 Normal Start-Up Sequence ....................................................................... 130
13.2 Start-Up Parallel Stage Streaming Facilities ............................................ 131
14 PART-TIME MODE ........................................................................................... 132
14.1 General Description .................................................................................. 132
14.2 Entering and Exiting Part-Time Mode ....................................................... 132
14.3 Part-Time Mode Parallel Stage Streaming Facilities ................................ 133
14.4 ‘Fail to Part-Time’ State ............................................................................ 133
15 URBAN TRAFFIC CONTROL (UTC) ............................................................... 134
15.1 UTC Introduction ...................................................................................... 134
15.2 UTC Interface ........................................................................................... 134
15.3 Control and Reply Bits .............................................................................. 136
15.4 Miscellaneous Reply Bits .......................................................................... 143
15.5 UTC Mode Conditions .............................................................................. 144
15.6 Methods of Control ................................................................................... 144
15.7 Method of Plan Introduction ...................................................................... 145
15.8 Special UTC Requirements ...................................................................... 145
15.9 OTU Links ................................................................................................. 145
15.10 UTC Parallel Stage Streaming Facilities .................................................. 146
16 PRIORITY AND EMERGENCY VEHICLE MODE ............................................ 147
16.1 Introduction ............................................................................................... 147
16.2 Facilities ................................................................................................... 148
16.3 Precedence Levels ................................................................................... 153
16.4 Priority and Emergency Vehicle Parallel Stage Streaming Facilities........ 155
16.5 Visual Indications...................................................................................... 155
16.6 Interfaces .................................................................................................. 156
16.7 Use of Priority Mode for Control in Light Rail Transit Systems ................. 156
16.8 Request Delays ........................................................................................ 158
17 HURRY CALL MODE ....................................................................................... 159
17.1 Introduction ............................................................................................... 159
17.2 Detailed Operation.................................................................................... 159
17.3 Additional Facilities................................................................................... 160
17.4 Hurry Call Parallel Stage Streaming Facilities .......................................... 161
17.5 Priority of One Hurry Call Over Another ................................................... 161
17.6 Control from a Remote Push-Button ......................................................... 162
17.7 Control from a Queue Detector ................................................................. 162
17.8 Timings Range.......................................................................................... 162
18 SELECTED MANUAL CONTROL .................................................................... 163
18.1 Manual Mode ............................................................................................ 163
18.2 Allocation of Stages to Buttons ................................................................. 163
18.3 Manual Control Parallel Stage Streaming Facilities ................................. 164
18.4 Manual Mode Enable/Disable Facility ...................................................... 164