LG MS840 Owner's Manual page 158

Tools
156
2. Enter the alarm time manually by scrolling the Hour and Minute fields.
Scroll AM or PM to set for morning or afternoon.
3. Touch the day(s) when you want the alarm to sound in the Repeat field.
If you don't touch the Repeat setting, the alarm sounds only the one day
you set it to.
4. Touch Snooze duration to set the amount of time to wait before
sounding the alarm again if it is not dismissed.
5. Touch Vibration to checkmark the setting and have the phone vibrate, in
addition to playing the ringtone.
6. Touch Alarm tone to select a ringtone for the alarm, then touch OK.
The ringtone plays briefly when you select it.
7 . Touch Puzzle lock to checkmark the setting, which requires you to wake
up enough to solve a simple puzzle to dismiss the alarm.
8. Touch Memo to enter a name for the alarm.
9. When you're finished, touch Save.