(Catalog 1. Item-by-item replies to technical specifications 31. General 32. Requirements and content of technical proposals 53. Large-screen projection system functional requirements 73.1 Basic functional requirements 73.2 Equipment technical indicators 94. Centralized control system 22 2. Detailed introduction of large-screen projection wall system functions and equipment 231 . Overview 232. System description 232.1 Large-screen projection wall system 232.2 AMX central control system 332.3 Large-screen display control software 34 3. Equipment configuration list 35 4. System equipment connection schematic diagram 37 Temperature, humidity and environmental requirements 403. Requirements for power supply 414. Grounding requirements 41 6. The seller's previous experience in similar large-scale projects (should be listed in detail). 427. Suggestions on training courses, after-sales service arrangements and implementation methods. 451. Training courses 452. After-sales service 473. Implementation method 48)