Os yn frith, diddymir y larwm os na fedrir ei achosi o fewn 1 funud o' r amser penodedig. Rhesymau posib am beidio ag achosi: eich bod wedi allgofnodi, nid yw X yn rhedeg, neu na bo' r ellyll larymau' n rhedeg. Os heb ei fritho, achosir y larwm y cyfle cyntaf wedi' r amser penodedig, pa mor hwyr bynnag yw hynny.
If checked, the alarm will be canceled if it cannot be triggered within the specified period after its scheduled time. Possible reasons for not triggering include your being logged off, X not running, or KAlarm not running. If unchecked, the alarm will be triggered at the first opportunity after its scheduled time, regardless of how late it is.