For add-on correct work of add-on, you need to download next add-ons from TrainSim.ru:

• Sounds #2 for CHS2 DC-electric passenger locomotive series
• Dispatcher sounds for locomotives #0002

Also download and install the MSTSBin patch version 1.7.051922 or later from MSTSBin.UKTrainSim.com.

Authors:
Dmitriy Almazov aka dibutlaska
Vadim Litvinovich aka WALT
Nikolay Lejnev aka Barmaley
Roman Biryukov aka Romych RZDUZ