![background image](http://html1.mh-extra.com/html/yacht-devices/ydab-01/ydab-01_user-manual_3083840031.webp)
— 31 —
Appendix B. List of Sound Signals
Number
Sound
1
Car anti-theft alarm
2
Mid frequency long alarm sound
3
Mobile phone vibration
4
Big ship horn
5
Sequence of four high frequency horn sounds
6
Sequence of two chimes (low to high frequency)
7
Sonar ping
8
Old telephone
9
High frequency beeper
10
Whistle
11
Sequence of two bell rings
12
Mechanical alarm clock
13
Engine order telegraph
14
Small ship horn
15
Mid frequency beeper
16
Car horn
17
Alien laser burst
18
Emergency vehicle siren (low to high frequency)
19
Sequence of two low frequency horn sounds