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

Electrical Specifications

Connector C1:

Terminals 3 and 6 [1] 185 - 275 ohms
Terminals 3 and 6 [2] 240 - 325 ohms

Terminals 2 and 5 [1] 370 - 550 ohms
Terminals 2 and 5 [2] 475 - 650 ohms

[1] Cold -10° C (14° F) to 50° C (104° F)

[2] Hot 50° C (104° F) to 100° C (212° F)