|
|
|
|
|
|
The sound file is 30 s. The tone frequencies are 600, 700 and 500 Hz. The period time is 1.5 s and the time of tone is 0.5 s. Extension of sound file: .aif An automatic return will occur |
|
|
|
|
|
|
The sound file is 30 s. The tone frequencies are 600, 700 and 500 Hz. The period time is 1.5 s and the time of tone is 0.5 s. Extension of sound file: .aif An automatic return will occur |