Panasonic GSM900 Manual page 31

Settings
Setting Key Tone ..............................................................................................................
From Sound menu
1
2
Sound
Setting Key Volume ..........................................................................................................
From Sound menu
1
2
Setting Warning Tone ......................................................................................................
From Sound menu
1
2
4 < A
Key Tone /
4 < A
required tone /
4 < A
Key Volume /
4 2
/ adjust the volume level (1- 4)
4 < A
Warning Tone /
4 < A
On or Off /
< A
/
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