LSDJ:To indicate status of Main Circuit Breaker; LSHO:Lit if the Hotel load contactor is closed and the loco is supplying power to the train; LSP:To indicate wheel slipping/skidding; LSAF:To indicate excess air-flow in brake-pipe; LSVW:To indicate vigilance warning-lights up if the vigilance conditions are not met in the stipulated time(60 seconds); BPVR:Push-button vigilance reset; BPPB:Push-button parking brake; BPCS:Push-button Constant-speed control; ZBAN:To enable banking mode(isolates the train brake system in banking loco); ZTEL:Tractive Effort Limitation:limits the maximum tractive/braking effort of the loco on vulnerable tracks like bridges; BLHO:To close hotel load contactor and start supplying power to the train; BLCP:To start compressors; BLDJ:To close/open DJ; ZPT:To raise/lower pantograph. The key is used to activate the cab; LSCE lights up to indicate excess temperature in machine room. Emergency Stop button is self-explanatory. (Khalid Kagzi)