Worth reading about apparently prestigiously names product:
https://www.trademarkelite.com/trademark/trademark-detail/97168894/T-J-TAVISTOCK-JONES
You don't say whether this is for a speaking watch or just an alarm.
I suspect the answer in both cases is that you can't. Your best bet is to search out the manual you filed away and check that. It might be available online or you could ask Easylife.
Ejdn
September 2022
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