GENERAL NOTES
SUMMARY OF XSF FLAGS
XSF5 – Selects special maximum for SG5 & SG8 in CØ.
           (Special Purpose Timesetting No. 9). (All modes)
XSF6 – Selects special maximum for SG6 & SG7 in CØ.
           (Special Purpose Timesetting No. 10). (All modes)
XSF7 – Inhibit the introduction of SG7 in CØ. (All modes)
XSF8 – Inhibit the introduction of SG8 in CØ. (All modes)
SIGNAL GROUP OPERATION
Signal Group 5
1.    SG5 is controlled by Special Movement Timer No 1 within CØ.
CØ all-red timesetting is substituted for Special Movement Time No 1. 
2.    XSF5 is used to set the maximum extension green for SG5 in CØ.
This time is stored in Special Purpose Timesetting No. 9.
SG5 is forced off after this maximum extension green time.  
Signal Group 6
1.    SG6 is controlled by Special Movement Timer No 2 within CØ. 
CØ all-red timesetting is substituted for Special Movement Time No 2.
2.    XSF6 is used to set the maximum extension green for SG6 in CØ.
This time is stored in Special Purpose Timesetting No. 10.
SG6 is forced off after this maximum extension green time.  
Signal Group 7
1.    SG7 is controlled by Special Movement Timer No 3 within CØ. 
CØ all-red timesetting is substituted for Special Movement Time No 3. 
2.    XSF6 is used to set the maximum extension green for SG7 in CØ.
This time is stored in Special Purpose Timesetting No. 10.
SG7 is forced off after this maximum extension green time.  
3.    Late starts in CØ when going BØC1Ø or C3Ø. 
4.    Does not introduce in CØ when XSF7 is set. 
Signal Group 8
1.    SG8 is controlled by Special Movement Timer No 4 within CØ. 
CØ all-red timesetting is substituted for Special Movement Time No 4. 
2.    XSF5 is used to set the maximum extension green for SG8 in CØ.
This time is stored in Special Purpose Timesetting No. 9.
SG8 is forced off after this maximum extension green time.  
3.    Late starts in CØ when going BØC1Ø or C2Ø. 
4.    Does not introduce in CØ when XSF8 is set. 
PEDESTRIAN GROUP OPERATION
Pedestrian 1
P1 calls AØ.
P1 is hidden in CØ.
P1 can introduce at the start of AØ and anytime in C2Ø, and overlap C2ØAØ.
 
Pedestrian 2
P2 calls AØ.
P2 is hidden in CØ.
P2 can introduce at the start of AØ and anytime in C3Ø, and overlap C3ØAØ.
Pedestrian 3
P3 calls BØ.
P3 can introduce at the start of BØ.
Pedestrian 4
P4 calls BØ.
P4 can introduce at the start of BØ.
DETECTOR OPERATION
Detector 3
Detector 3 calls C1Ø when going AØCØ. 
Detector 7
Detector 7 places non-locking calls for CØ when presence timer expires. 
OPERATION OF AUDIO TACTILE UNITS
P8 Wait State Output drives the audio tactile units for the pedestrian push buttons (detectors 12-15).
The audio tactile units are activated at 7:00am and remain on until 9:30pm.