Audioline 505 用户手册

1  Hook switch
2  Hanger Hook for wall mounting
3   Programme Button
4   Redial Button
5   Speaker
6   Recall Button
7  Microphone

8   Speaker Button and LED 
9   Speaker Volume Control 
10  Erase/Mute Button
11  Message Indicator LED
12  OK Button
13  Scrolling Buttons (UP/DOWN)
14  Display