Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

System Diagram

Component Connector End Views

Radio X1 (except Y91)

Radio X1 (Y91 or 8S8)

Radio X2 (except Y91 or 8S8)

Radio X2 (Y91 or 8S8)

Radio X3 (U42)

Radio X4 (UUL or UUK)

Digital Radio Receiver (U2K)