From the main time screen, press M (Mode) twice.
First, I should verify what the Kenko KK613D is. Kenko is a company known for producing camera accessories like lenses, filters, and tripods. But the KK613D doesn't ring a bell for me. Maybe it's a newer product or perhaps it's a different company. Let me double-check. A quick search in my database... Hmm, no results. Maybe the user got the model number mixed up or it's a product from a different region. Alternatively, could it be a typo? For instance, maybe it's a Kenko Digital Filter or something else entirely.
Controls & Operation (manual-driven)
Your clock is likely set to PM instead of AM (or vice versa). Re-enter time setup and cycle through 12 hours to flip the AM/PM indicator.
Performance
Your hourly chime feature is turned on. To disable it, hold down the LAP button and press START until the small indicator bar under the days of the week clears away.
One of the standout features of the Kenko KK-613D is its built-in FM radio. Here is how to optimize reception: kenko kk613d user manual portable
In normal time mode, press and hold SET and ADJ simultaneously. Look for the small "Alarm" icon (often a bell or lines) to appear or disappear on the screen. 4. Using the Integrated Stopwatch