Panasonic GD87 - Manual (Page 38)

When the alarm has been set, an alarm clock will be displayed
when the phone is in Idle.
The alarm is activated based on the current clock (Home or
Second).
Muting the Alarm
When the set time is reached the alarm will sound and the
display will flash with an alarm message. The alarm will sound
for 30 seconds. If the alarm is due during a call, it will activate
vibration alert.
To end the alarm
Disabling the Alarm
From Idle mode:
When disabled, following the same procedure will re-enable the
alarm.
Adjusting the Alarm Time
From Idle mode:
40
Applications
Applications
Press any key
Applications >
Clock Function >
Alarm Set
Select alarm to
disable
Select alarm
frequency icon
Applications >
Clock Function >
Alarm Set
Select alarm
to adjust
Select alarm
frequency
Press and hold
Select
ring
type
Enter time
Select
Disabled
x 2
Select Repeat
Daily, Once or
Disabled
Select Fixed
Data or Data
Folder
Select
required
sound