What are the special functions of the QU40 Clock Movement?

CDS is the 24hr mode where the clock will chime 24hrs a day, as long as it senses light. The Monitor button demonstrates the hourly chime. Use the SET button advances the hour strike count without advancing the time shown on the clock. The Reset button resets the next hour strike count to 6 AM. Please see diagram of these things at this link
https://www.clockworks.com/product/premium-chime-clock-movement

Updated on: 05/08/2022