Specifications

Menu -> Tools
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 If the formula violates mathematical principles (for example, 5/0),
Error will be displayed
 If the absolute value of the calculation result exceeds 999,999,999,
Overflow will be displayed
4.4.2 Calendar
ToolsCalendar
This function enables you to view the calendar from January 1, 2004 to
December 31, 2021.
After accessing this option, you can press to highlight the
desired date.
4.4.3 Alarm
ToolsAlarm
This function enables you to set the alarm for a specified time. Once
activated, the alarm indicator will be displayed.
 When the preset alarm time expires, the phone will sound the alarm;
an alarm icon and the current time will be displayed. The alarm will
sound for 30 seconds unless dismissed
 To dismiss the alarm and return to standby mode, press any key
 If the alarm time expires during a call, the alarm will not sound
When you highlight one of the following options, its current setting will be
displayed in the adjacent bubble. You can set the alarm function by
observing the following operations:
4.4.3.1 On/Off
ToolsAlarmOn/Off
After accessing this option, select On or Off to activate or deactivate the
alarm function.