GENERAL NOTES
SUMMARY OF XSF FLAGS
XSF1 - Allows the late introduction of P1 in AØ (Master).
XSF4 - Selects Special Maximum for SG4 in CØ (Special Purpose Timesetting No.9) (All modes).
XSF5 - Selects Special Maximum for SG5 in CØ (Special Purpose Timesetting No.10) (All modes).
GENERAL OPERATION
1 REVn. – First scan after start-up demands BØ and CØ.
SIGNAL GROUP OPERATION
Signal Group 4
1 SG4 is controlled by Special Movement Timesetting No.1 in CØ.
CØ All Red timesetting is substituted for Special Movement Timesetting No.1.
2 XSF4 is used to set the maximum extension green time for SG4 in CØ.
This time is stored in Special Purpose Timesetting No.9.
SG4 is forced off after this maximum extension green time.
Signal Group 5
1 SG5 is controlled by Special Movement Timesetting No.2 in CØ.
CØ All Red timesetting is substituted for Special Movement Timesetting No.2.
2 XSF5 is used to set the maximum extension green time for SG5 in CØ.
This time is stored in Special Purpose Timesetting No.10.
SG5 is forced off after this maximum extension green time.
PEDESTRIAN GROUP OPERATION
Pedestrian 1
P1 calls AØ. 
P1 is hidden in CØ. 
P1 can introduce at anytime in C3Ø, and at the start of AØ, and can overlap C3Ø®AØ.
In Master P1 can introduce at any time in Af while XSF1 is set.
Late start P1 in CØ if going C1Ø®C3Ø using a Special Timers that use CØ special all red and starts at the end of SG4 yellow.
Late start P1 in AØ if going C1Ø®AØ or C2Ø®AØ using a Special Timers that use CØ special all red and starts at the end of SG4 yellow.
Pedestrian 2
P2 calls BØ. 
P2 can introduce at the start of BØ.
DETECTOR OPERATION
General
Clear vehicle demands during associated phase green and yellow.
Detectors 3 and 11
Clear demands for CØ from detectors 3 and 11 during SG4 green and yellow.
Detector 7
Clear demands for CØ from detector 7during SG5 green and yellow.