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

1-2 Switch

Neutral And 1-2 Switches:

1. Unplug switch and check continuity across terminals as follows:

Terminal Transmission Continuity

A-B In 1st Range NO
A-B In Other Range YES

C-D In 2nd Range YES
C-D In Other Range NO