Panasonic KX-TGM420 Operating Instructions Manual page 122

"Once"
An alarm sounds once at the set time.
"Daily"
An alarm sounds daily at the set time. Go to step
5.
"Weekly"
Alarm sounds weekly at the set time(s).
4
Proceed with the operation according to your
selection in step 3.

Once:
Enter the desired month and date.  [OK]

Weekly:
[ ]: Select the desired day of the week and press
[SELECT]  [OK]
5
Set the desired time.
6 [*]: Select "AM" or "PM".  [OK]
7 Enter a text memo (10 characters max.).  [OK]
8 [ ]: Select the desired alarm tone.  [SELECT]
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