GENERAL NOTES
SUMMARY OF XSF FLAGS
XSF flags are not used for this site.
SUMMARY OF MSS FLAGS
MSS flags are not used for this site.
GENERAL OPERATION
1.                  Use AØ special all red for AØ all red if going AØ BØ.
2.                  Use DØ yellow if going BØ®AØ.
SIGNAL GROUP OPERATION
Signal Group 1
1.                  SG1 closes down with SG2 in AØ if going AØ®DØ and reintroduces in DØ at the end of DØ late start.
Signal Group 6
2.                  SG6 operates green-yellow-red in BØ.
3.                  SG6 closes down at the end of BØ green and remains red through CØ, DØ and AØ late start, then goes ‘blank’ at the start of AØ minimum green.
4.                  SG6 goes red with SG2 in AØ.
         5.                  If going CØ AØ, DØ AØ, with a demand for P1, hold SG6 red for the duration of Timer 1 (Special Purpose Timesetting No. 9).  Timer 1 starts timing at the start of P1 Walk.  When Timer 1 expires, SG6 red is switched off.
          6.                  If going BØ AØ, with a demand for P1, SG6 goes red at the start of BØ all red period and is held red for the duration of Timer 1 (Special Purpose Timesetting No. 9).  Timer 1 starts timing at the start of P1 Walk.  When Timer 1 expires, SG6 red is switched off.
          7.                  AØ ECO is used to guarantee SG6 minimum ‘blank’ period.  Timer 2 (Special Purpose Timesetting No. 10) starts timing at the start of SG6 ‘blank’ period.  When Timer 2 expires, expire AØ ECO.
Signal Group 8
1.                  Late start SG8 in DØ.
PEDESTRIAN GROUP OPERATION
Pedestrian 1
1.                  P1 is a SCATS ped.
2.                  P1 calls AØ.
3.                  P1 can introduce at any time in DØ and at the start of AØ and can overlap DØ AØ.
4.                  When Z+ (Master) or Z+ (Flexi) flag is set, P1 auto introduces with SG1 in DØ and AØ.
Pedestrian 2
1.                  P2 is a SCATS ped.
2.                  P2 calls AØ.
3.                  P2 can introduce at the start of AØ and can overlap AØ BØ.
4.                  When Z+ (Master) or Z+ (Flexi) flag is set, P2 auto introduces in AØ.
Pedestrian 3
1.                  P3 is a SCATS ped.
2.                  P3 calls CØ.
3.                  P3 can introduce at the start of CØ.
DETECTOR OPERATION
General
1.                  Clear vehicle demands during associated phase green and yellow.
Detector 2
1.                  Clear demands for DØ from detector 2 during SG5 green and yellow.
Detector 3
1.                  Detector 3 calls AØ.
2.                  Detector 3 extends AØ and BØ.
3.                  Detector 3 EXPAP AØ BØ (subject to Timer 3) and EXPAP BØ AØ.
4.                  At the start of AØ minimum green, Timer 3 starts timing (refer Special Purpose Timesetting Nos. 11 and 12).
Timer 3 expired allows detector 3 to EXPAP AØ BØ.
5.                  In VA and no Z- (Master and Flexi) set, Timer 3 uses Special Purpose Timesetting No. 11.
6.                  With Z- (Master and Flexi) set, Timer 3 uses Special Purpose Timesetting No. 12.
Detector 4
1.                  Clear demands for BØ from detector 4 during SG6 green and yellow.
Detector 5
1.                  Clear demands for CØ from detector 5 during SG3 and SG8 green and yellow.