GENERAL NOTES
SUMMARY OF XSF FLAGS
XSF1 – Allows the late introduction of P1 in AØ (Master).
XSF2 – Allows the late introduction of P2 in AØ (Master).
GENERAL OPERATION
1.    Expire BØ ECO if going BØ→CØ.
2.    If in AØ clear demands for CØ.
SIGNAL GROUP OPERATION
Signal Group 3
SG3 closes at the start of BØ ECO if going BØAØ.
Signal Group 5
SG5 closes at the start of BØ ECO if going BØAØ.
PEDESTRIAN GROUP OPERATION
Pedestrian 1
P1 calls AØ.
P1 can introduce at the start of AØ.
If Z- (Master & Flexi) is set, P1 will auto introduce at the start of AØ.
In Master P1 can introduce at any time in AØ while XSF1 is set.
Pedestrian 2
P2 calls AØ.
P2 can introduce at the start of AØ.
If Z- (Master & Flexi) is set, P2 will auto introduce at the start of AØ.
In Master P2 can introduce at any time in AØ while XSF2 is set.
Pedestrian 3
P3 calls BØ.
P3 can introduce at the start of BØ.
If Z+ (Master & Flexi) is set, P3 will auto introduce at the start of BØ.
Pedestrian 4
P4 calls BØ.
P4 can introduce at the start of BØ.
If Z+ (Master & Flexi) is set, P4 will auto introduce at the start of BØ.
DETECTOR OPERATION
Detector 3
Clear demands from detector 3 during SG3 green. 
Detector 4
Clear demands from detector 4 during SG5 green and yellow. 
Detector 5
Clear demands for BØ from detector 5 during SG4 green and yellow.
Detector 6
Clear demands for BØ from detector 6 during SG6 green and yellow.
Detector 7
Detector 7 places a non-locking call for CØ during BØ green, when its presence time has expired.
Detector 8
Detector 8 places a non-locking call for CØ during BØ green, when its presence time has expired.