GENERAL NOTES
SUMMARY OF XSF FLAGS
XSF5 - Selects special maximum for SG5 EØ via Special Purpose Timesetting No.9. (All Modes)
XSF6 - Selects special maximum for SG6 EØ via Special Purpose Timesetting No.10. (All Modes)
XSF13 - Terminates the Emergency Vehicle Priority (EVP) phase. (On-line)
SUMMARY OF MSS FLAGS
MSS6 - Set on receipt of an EVP input.
MSS9 - Set while detector 15 is ON.
MSS11 - Set if an EVP detector is ON continuously for a period greater than SPT No. 12.
GENERAL OPERATION
1.    If in DØ clear demands for BØ & CØ.
2.    Use AØ yellow for EØ yellow if going E2Ø®FØ or E3Ø®FØ.
SIGNAL GROUP OPERATION
Signal Group 4
1.    SG4 closes down in DØ when going DØ®FØ and introduces in FØ at the start of FØ minimum green.
Signal Group 5
1.    SG5 is controlled by Special Movement Timesetting No.1 in EØ.
EØ 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 EØ.
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 Timesetting No.2 in EØ.
EØ 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 EØ.
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 operates green-yellow-red in CØ.
2.    SG7 goes red with SG3 in DØ and remains red through EØ, AØ and BØ.
3.    SG7 closes down at the end of CØ green (when CØ is called by “AS” or “PD”), remains red through DØ late start, then goes ‘blank’ at the start of DØ minimum green.
When P4 is demanded
4.    If going to AØ, or BØ®DØ (when BØ is called by “AS” or “PD”) with a demand for P4, hold SG7 red for the duration of Timer 1 (Special Purpose Timesetting no. 13).  Timer 1 starts timing at the start of P4 walk.  When Timer 1 expires, SG7 red is switched off.
5.    If going to CØ®DØ with CØ called by “AS” or “PD” and a demand for P4, SG7 goes red at the start of CØ all red period and is held red for the duration of Timer 1 (Special Purpose Timesetting no. 13).  Timer 1 starts timing at the start of P4 walk.  When Timer 1 expires, SG7 red is switched off.
6.    DØ ECO is used to guarantee SG7 minimum ‘blank’ period. Timer 3 (Special Purpose Timesetting no. 15) starts timing at the start of SG7 ‘blank’ period.  When Timer 3 expires, expire DØ ECO.
Signal Group 8
1.    SG8 operates green-yellow-red in BØ.
2.    SG8 goes red with SG4 in DØ and remains red through EØ, AØ and CØ.
3.    SG8 closes down at the end of BØ green (when BØ is called by “AS” or “PD”), remains red through DØ late start, then goes ‘blank’ at the start of DØ minimum green.
When P3 is demanded
4.    If going to AØ, or CØ®DØ (when CØ is called by “AS” or “PD”) with a demand for P3, hold SG8 red for the duration of Timer 2 (Special Purpose Timesetting no. 14).  Timer 2 starts timing at the start of P3 walk.  When Timer 2 expires, SG8 red is switched off.
5.    If going to BØ®DØ with BØ called by “AS” or “PD” and a demand for P3, SG8 goes red at the start of BØ all red period and is held red for the duration of Timer 2 (Special Purpose Timesetting no. 14).  Timer 2 starts timing at the start of P3 walk.  When Timer 2 expires, SG8 red is switched off.
6.    DØ ECO is used to guarantee SG8 minimum ‘blank’ period. Timer 4 (Special Purpose Timesetting no. 15) starts timing at the start of SG8 ‘blank’ period.  When Timer 4 expires, expire DØ ECO.
PEDESTRIAN GROUP OPERATION
Pedestrian 1
1.    P1 calls AØ.
2.    P1 can introduce at anytime in E2Ø and at the start of AØ and can overlap E2ØAØ.
3.    If Z- (Master or Flexi) is set, P1 auto introduces at the start of SG1 green.
Pedestrian 2
1.    P2 calls AØ.
2.    P2 can introduce at anytime in E3Ø and at the start of AØ and can overlap E3ØAØ.
3.    If Z- (Master or Flexi) is set, P2 auto introduces at the start of SG2 green.
Pedestrian 3
1.    P3 calls DØ.
2.    When Y- (Master) or Q- (Flexi) is set, P3 calls CØ.
3.    P3 can introduce at the start of CØ when Y- (Master) or Q- (Flexi) is set or at the start of DØ.
4.    If Z+ (Master or Flexi) is set, P3 auto introduces at the start of SG3 green.
Pedestrian 4
1.    P4 calls DØ.
2.    When Y- (Master) or Q- (Flexi) is set, P4 calls BØ.
3.    P4 can introduce at the start of BØ when Y- (Master) or Q- (Flexi) is set or at the start of DØ.
4.    If Z+ (Master or Flexi) is set, P4 auto introduces at the start of SG4 green.
PHASE OPERATION
B Phase
1.    BØ to operate between 15.30 and 16.00 Monday to Friday.
C Phase
1.    CØ to operate between 15.30 and 16.00 Monday to Friday.
E Phase
1.    EØ ECO is used to guarantee SG1 and SG2 minimum green in EØ if FØ is demanded.
2.    Expire EØ ECO if going to AØ, or if SG1 or SG2 minimum green has expired (using EØ ECO timesetting).
DETECTOR OPERATION
General
1.    Clear vehicle demands during associated phase green and yellow.
Detector 3
1.    Clear demands for EØ from detector 3 during SG5 green and yellow.
Detector 6
1.    Clear demands for EØ from detector 6 during SG6 green and yellow.
Detector 7
1.    Detector 7 calls and extends DØ.
2.    When Y- (Master) or Q- (Flexi) is set, detector 7 calls and extends CØ.
Detector 8
1.    Detector 8 calls and extends DØ.
2.    When Y- (Master) or Q- (Flexi) is set, detector 8 calls and extends CØ.
Detector 9
1.    Detector 9 calls and extends DØ.
2.    When Y- (Master) or Q- (Flexi) is set, detector 9 calls and extends BØ.
Detector 10
1.    Detector 10 calls and extends DØ.
2.    When Y- (Master) or Q- (Flexi) is set, detector 10 calls and extends BØ.
OPERATION OF ILLUMINATED SIGNS
Relay Output 1 drives an LED Give Way to Pedestrians sign during P4 walk and clearance provided SG7 is not red.
Relay Output 1 is activated by P5 Wait State (ATSC4/PSC2000/QTC) or by Special Output 1 (Eclipse).  Both P5 Wait State (P5WS) and Special Output 1 (SO1) are set in the controller personality.
EMERGENCY VEHICLE PRIORITY OPERATION
Detector 15
1.    Detector 15 is an Emergency Vehicle Priority (EVP) detector.
2.    Detector 15 is an external EVP detector and places a non-locking call for FØ and extends FØ.
3.    On receipt of an EVP input from detector 15 MSS6 is set, which forces the site to Isolated (via VP30), calls the relevant EVP phase, clears the demands for other phases, cancels the extension of the running phase and terminates the running phase without violating minimum green or pedestrian times.
4.    If the controller is changing phase when the EVP input is received, do not introduce the pedestrians in the phase that is about to run.
5.    If P1, P2, P3 or P4 is in walk when an EVP input is received from detector 15 select Special Purpose Timesetting No. 11 for P1, P2, P3 and P4 walk.
6.    The EVP phase is extended while the EVP input is received. Gap, headway and waste timesettings are not used.
7.    MSS6 is cleared when the EVP input is terminated.
8.    MSS9 is set while detector 15 is ON. MSS9 can be used for transfer of demand or to send messages (MSS9 is not set if EVP inputs are ignored or alarmed).
9.    The phase to run after the EVP phase is EØ if demanded before EVP called, otherwise run AØ.
10. If the EVP detector is ON continuously for a period greater than the time specified in the Special Purpose Timesetting No. 12, then terminate the running EVP phase and set MSS11 (all EVP inputs).  This terminated phase will not be recalled until the associated EVP detector changes state from OFF to ON
11. When XSF13 is set, the running EVP phase, FØ, is terminated and the EVP detector is ignored.