GENERAL NOTES
SUMMARY OF XSF FLAGS
(Communications Operation of XSF flags is required)
XSF5 - Selects Special Maximum for SG5 in DØ (Special Purpose Timesetting no. 9) (All modes).
XSF6 - Selects Special Maximum for SG6 in DØ (Special Purpose Timesetting no. 10) (All modes).
GENERAL OPERATION
1. If in AØ, clear demands for DØ.
SIGNAL GROUP OPERATION
Signal Group 5
1.     SG5 is controlled by Special Movement Timesetting no. 1 in DØ.
DØ All Red timesetting is substituted for Special Movement Timesetting no. 1.
2.     XSF5 is used to set the maximum extension green time for SG5 in DØ.
This time is stored in Special Purpose Timesetting no. 9.
SG5 is forced off after this maximum extension green time.
3.     SG5 operates green-yellow-red in DØ.
4.     SG5 goes red with SG1 in AØ, and remains red through BØ, CØ and D3Ø.
5.     SG5 closes down at the end of D1Ø or D2Ø green, remains red through AØ late start, then goes ‘blank’ at the start of AØ minimum green.
When P2 is demanded.
6.     If going BØ ® AØ, CØ ® AØ or D3Ø ® AØ, with a demand for P2, hold SG5 red for the duration of Timer 1 (Special Purpose Timesetting no. 11).  Timer 1 starts timing at the start of P2 walk.  When Timer 1 expires, SG5 red is switched off.
7.     If going D1Ø ® AØ or D2Ø ® AØ, with a demand for P2, SG5 goes red at the start of D1Ø or D2Ø all red period, and is held red for the duration of Timer 1 (Special Purpose Timesetting no. 11).  Timer 1 starts timing at the start of P2 Walk.  When Timer 1 expires, SG5 red is switched off. 
8.     AØ ECO is used to guarantee SG5 minimum blank period.   Timer 3 (Special Purpose Timesetting no. 13) starts timing at the start of SG5 blank period.  When Timer 3 expires, expire AØ ECO.
Signal Group 6
1.    SG6 is controlled by Special Movement Timesetting no. 2 in DØ.
DØ All Red timesetting is substituted for Special Movement Timesetting no. 2.
2.    XSF6 is used to set the maximum extension green time for SG6 in DØ.
This time is stored in Special Purpose Timesetting no. 10.
SG6 is forced off after this maximum extension green time.
3.    SG6 operates green-yellow-red in DØ.
4.    SG6 goes red with SG2 in AØ, and remains red through BØ, CØ and D2Ø.
5.    SG6 closes down at the end of D1Ø or D3Ø green, remains red through AØ late start, then goes ‘blank’ at the start of AØ minimum green.
When P1 is demanded.
6.    If going BØ ® AØ, CØ ® AØ or D2Ø ® AØ, with a demand for P1, hold SG6 red for the duration of Timer 2 (Special Purpose Timesetting no. 12).  Timer 2 starts timing at the start of P1 walk.  When Timer 2 expires, SG6 red is switched off.
7.    If going D1Ø ® AØ or D3Ø ® AØ, with a demand for P1, SG6 goes red at the start of D1Ø or D3Ø all red period, and is held red for the duration of Timer 2 (Special Purpose Timesetting no. 12).  Timer 2 starts timing at the start of P1 Walk.  When Timer 2 expires, SG6 red is switched off. 
8.    AØ ECO is used to guarantee SG6 minimum blank period.   Timer 4 (Special Purpose Timesetting no. 14) starts timing at the start of SG6 blank period.  When Timer 4 expires, expire AØ ECO.
Signal Group 7
1.    Late start SG7 in BØ.
PEDESTRIAN GROUP OPERATION
Pedestrian 1
1. P1 calls AØ.
2. P1 calls BØ when resting in AØ.
3. P1 is hidden in DØ.
4. P1 can introduce at any time in D2Ø, and at the start of AØ, and can overlap D2Ø ® AØ.
Pedestrian 2
1. P2 calls AØ.
2. P2 calls BØ when resting in AØ.
3. P2 is hidden in DØ.
4. P2 can introduce at any time in D3Ø, and at the start of AØ, and can overlap D3Ø ® AØ.
Pedestrian 3
1. P3 calls CØ.
2. P3 can introduce at the start of CØ.
Pedestrian 4
1. P4 calls BØ.
2. P4 can introduce at the start of BØ.
DETECTOR OPERATION
General
Clear vehicle demands during associated phase green and yellow.
Detector 3
Clear demands for DØ from detector 3 during SG5 green and yellow.
Detector 3 places a non-locking call for DØ after the presence timer expires.
Detector 5
Clear demands for DØ from detectors 5 during SG6 green and yellow.
Detector 5 places a non-locking call for DØ after the presence timer expires.
Detector 6
Detector 6 places a locking call for CØ when its presence time expires.
Detector 7
Clear demands for BØ from detector 7 during SG4 & SG6 green and yellow.