Knowledge Base

Increments the HH register.

The behaviour depends on whether the last RTCRead was a time/event read or the date. If it was a time or event, the register increments up to 23 then rolls over to 0. If the last read was the date, it increments to 99 then rolls over to 0.

RTC documentation and tutorial

Dialect exclusions: Not available in dialects before 16.