Press the button; wait for the MCBON and SIV lamps to light up. Insert the Master Key to begin operation. One-Man Door Control (OMDCN) :

This update introduced "Cold and Dark" starts, where you must manually power up the train using the switchboard. : The switchboard is located at the rear of the driver's cab.

Set the to the correct position matching the power source.

The file typically refers to an unauthorized repack or archived version of Hmmsim Metro , a train simulation game focused on Seoul Subway Line 1 . The "Switchboard" portion of the name refers to a major update released by the developer, Jeminie Interactive , which added manual train startup procedures and interactive circuit breaker panels. Guide to the Switchboard Update

: Covers roughly 32km and 26 stations of Seoul Subway Line 1 , including sections from Geumcheon-gu Office to Kwangwoon University. New train update - Hmmsim Metro - SteamDB