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

Switch Testing

Switch Testing-I/P Dimmer Switch:

1. Remove the switch.
2. Apply 12 V to terminal 3 and ground to terminal 2.
3. Check that the voltage at terminal 4 changes linearly when turning the switch.
4. If not, replace the I/P dimmer switch.