The English abbreviation of timing mode is TMR. English abbreviations use the abbreviation of a word or phrase to represent a complete form, which is different from acronyms. English abbreviations are simple forms of English words that use important letters in English words to represent the meaning of the entire word. They are also called abbreviations. An English abbreviation can be shortened in any way and can be drawn together by letter parts. In addition, there are some other English abbreviations in electronic watches, such as STW stopwatch mode, DST daylight saving time, SNZ intermittent alarm clock, SIG hourly signal, RLMalarm alarm clock, TMRTimer countdown mode, etc.