This is a definitive list of all controlled scenery items on the South Downs Railway. (Note bold numbers are the ones to activate manually; the others operate automatically from that)
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MSC8
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DCC
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Item
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Comment
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1
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501
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Clanfield windmill motor
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50Hz motor.
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1
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502
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Windmill light: yellow LED
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flickering lamp effect
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1
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503
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Clanfield church lighting
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PWM lighting output
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1
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504
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Clanfield station building lighting
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PWM lighting output
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1
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505
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Reserved for Clanfield station platform lights
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PWM lighting output
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1
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506-508
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||
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4
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525
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factory smoke generator
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on 1 minute every 5 minutes
CV9=7; CV7=127; CV17=7
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4
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526
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reserved for ladder raising servo
on when o/p 1 sequence active
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CV10=4; CV33=1
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4
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527
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fire engine lights
on when o/p 1 sequence active
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on when smoke generator on; flashing light sequence
CV11=0; CV19=4; CV36=1
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4
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528
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always on downstairs light (&3 other factory buildings)
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PWM light
CV12=2; CV20=0
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4
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529
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fire light 1
on when o/p 1 sequence active
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no PWM; flickering light; on when smoke generator on
CV13=1; CV21=6; CV42=1
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4
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530
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fire light 2
on when o/p 1 sequence active
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no PWM; flickering light; on when smoke generator on
CV14=1; CV22=6; CV47=20; CV45=1
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4
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531
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fire station flashing lights,
turned on when o/p 8 sequence is active
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CV15=0; CV23=4; CV48=128
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4
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532
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sequence for flashing light in fire station
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on infrequently (house light 2 sequence)
CV16=0; CV24=3
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5
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533
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Level crossing flashing light by Petersfield station.
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CV9=9; CV6=64 (sets blink rate)
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5
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534
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servo for barrier 1 (rear)
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CV10=4
CV58=0 (no bounce); CV60=5 (tiny off delay)
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5
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535
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servo for barrier 2 (front)
enabled when DCC command for output 2 is active
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CV11=4
CV37=2
CV65=0 (no bounce); CV62=190 (barrier down position); CV67=5 (tiny off delay)
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5
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536
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||
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5
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537
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5
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538
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5
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539
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5
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540
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6
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541-8
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shop lights in Clanfield area
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PWM lights; mix of "often on" and "less often on" sequences.
CV9=6 (DC motor); CV10-16=1 (fast PWM)
CV17,19,21,23=2 (house light 1); CV18,20,22,24=3 (house light 2, for upstairs lights)
CV32, 35, 38, 41, 44, 47, 50, 53 are random values in range 0-255
DCC gate CVs (34, 37, 40, 43, 46, 49, 52) all set to 1 so o/p 1 turns on or off all lights
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7
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549-556
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shop & house lights in Clanfield area
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PWM lights; mix of "often on" and "less often on" sequences.
CV9=6 (DC motor); CV10-16=1 (fast PWM)
CV17,19,21,23=2 (house light 1); CV18,20,22,24=3 (house light 2, for upstairs lights)
CV32, 35, 38, 41, 44, 47, 50, 53 are random values in range 0-255
DCC gate CVs (34, 37, 40, 43, 46, 49, 52) all set to 1 so o/p 1 turns on or off all lights
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8
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557-564
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house lights in Clanfield area
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PWM lights; mix of "often on" and "less often on" sequences.
CV9=6 (DC motor); CV10-16=1 (fast PWM)
CV17,19,21,23=2 (house light 1); CV18,20,22,24=3 (house light 2, for upstairs lights)
CV32, 35, 38, 41, 44, 47, 50, 53 are random values in range 0-255
DCC gate CVs (34, 37, 40, 43, 46, 49, 52) all set to 1 so o/p 1 turns on or off all lights
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9
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565-572
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house lights in Clanfield area
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PWM lights; mix of "often on" and "less often on" sequences.
CV9=6 (DC motor); CV10-16=1 (fast PWM)
CV17,19,21,23=2 (house light 1); CV18,20,22,24=3 (house light 2, for upstairs lights)
CV32, 35, 38, 41, 44, 47, 50, 53 are random values in range 0-255
DCC gate CVs (34, 37, 40, 43, 46, 49, 52) all set to 1 so o/p 1 turns on or off all lights
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10
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573
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Portsmouth engine shed: not used
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10
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574
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Ports mouth engine shed door servo (Thrown=open)
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10
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575
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reserved for a yard gate servo
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10
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576
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lighting in engine shed
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10
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577
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welding in engine shed
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Effects are always THROWN for ON; CLOSED for OFF.
MSC8 number 4 has several outputs controlled by one operation. The smoke generator is operated by a sequence; it is on for approx 1 minute every 5 minutes. When the smoke generator output is active (i.e. for that 1 minute when the building is on fire) outputs 2, 3, 5 & 6 are activated. These then have their own sequences: to flash the fire engine lights, and to flicker LEDs to look like the fire itself.
MSC8 number 4 Output 7 has 2 sequences: a sequence that flashed the lights like a fire engine; and that whole output is turned on or off by output 8, which is on infrequently. This will give the appearance that a fire engine inside the fire station has its lights tested periodically.
MSC8 Board Locations:
| Board | Location | DCC | Power bus? |
| 1 | dropdown under Clanfield | 501 | N |
| 2 | Not present | 509 | |
| 3 | Not present | 517 | |
| 4 | Under factory | 525 | N |
| 5 | under crossing | 533 | N |
| 6 | fiddle yard | 541 | wired for |
| 7 | fiddle yard | 549 | wired for |
| 8 | fiddle yard | 557 | wired for |
| 9 | not present | 567 | |
| 10 | under Portsmouth | 573 | N |