JA-2MECD, JA-2HCD, JA-2MCD Instructions (English + Multi-Lingual) Updated on April 15th, 2026 On this page English Instructions: Multi-Lingual Instructions: English Instructions:Download Multi-Lingual Instructions:Download JA-2MECD, JA-2HCD, JA-2MCD Instructions (English + Multi-Lingual) JA-2SD Instructions JA-DAC Instructions & Technical Specifications JA-DGC Instructions and Technical Specifications JDW-C Technical Specification JA External Signaling (with RY-ES, IER-2, and TAR-3)