Comment:
- The system functions allow the beeper volume to be changed. (Refer to Section 5.2. and 5.3.)
- Specification of any of 3 through 667 to
- Specification of zero to dwOnTime deactivates the beeper or vibrator.
- Specification of a value except zero to dwOnTime and wRepCnt and specification of zero to
dwOffTime keep the beeper sounding.
- For your reference, the relationship between the frequencies and the musical scale is listed below.
Scale 1 Scale 2 Scale 3 Scale 4
do (C)
do# (C#)
re (D)
re# (D#)
mi (E)
fa (F)
698
fa# (F#)
739
sol (G)
783
sol# (G#)
830
la (A)
880
la (A#)
932
si (B)
987
-
1046
2093
-
1108
2217
-
1174
2349
-
1244
2489
-
1318
2637
1396
2793
1479
2959
1567
3135
1760
3520
1760
3520
1864
3729
1975
3951
wFreq
deactivates the beeper or vibrator.
4186
113