2010JMRI KevinDickerson 1 2010-01-18 KD Initial Version 1.1 2010-02-02 KD Change Call On to Off 1.2 2011-08-04 KD Addition of Specific Appearances and aspect mapping BR 4 Aspect Signal with Call On This uses a single head to control the aspects with Lunar acting as the second yellow. It also uses a second head to control the Call-On Aspect Proceed green dark ../../../resources/icons/BritishRailSignals/Large/cls4Proceed(wc).gif ../../../resources/icons/BritishRailSignals/Aspects/Proceed-4.gif Caution yellow dark ../../../resources/icons/BritishRailSignals/Large/cls4Caution(wc).gif ../../../resources/icons/BritishRailSignals/Aspects/Caution-4.gif Flash Caution flashyellow dark ../../../resources/icons/BritishRailSignals/Large/cls4FlashCaution(wc).gif ../../../resources/icons/BritishRailSignals/Aspects/FlashCaution-4.gif Preliminary Caution lunar dark ../../../resources/icons/BritishRailSignals/Large/cls4PriCaution(wc).gif ../../../resources/icons/BritishRailSignals/Aspects/PriCaution-4.gif Flash Preliminary Caution flashlunar dark ../../../resources/icons/BritishRailSignals/Large/cls4FlashPriCaution(wc).gif ../../../resources/icons/BritishRailSignals/Aspects/FlashPriCaution-4.gif Danger red dark ../../../resources/icons/BritishRailSignals/Large/cls4Danger(wc).gif ../../../resources/icons/BritishRailSignals/Aspects/Danger-4.gif Off red lunar ../../../resources/icons/BritishRailSignals/Large/cls4DangerCallOn.gif ../../../resources/icons/BritishRailSignals/Aspects/DangerCallOn-4.gif Danger Off Danger Danger Caution Caution Preliminary Caution Flash Caution Preliminary Caution Proceed Proceed Proceed Flash Caution Flash Preliminary Caution Flash Preliminary Caution Proceed Off Caution On Caution