7. Operating elements
4
5
6
9
10
11
1.
Call button
2.
Microphone
3.
Speaker
4.
Call indicator
5.
Brightness sensor
6.
Temperature sensor
7.
Pairing button
8.
Terminal block
9.
Doorlock open button
10.
Volume down button
11.
Answer button
1
2
3
12
13
14
16
15
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
7
8
20
17
18
19
Press-to-talk (PTT) button
Volume up button
Hang up & power ON/OFF button
Microphone
Rechargeable battery door lock
button
Speaker
Rechargeable LiPo battery socket
Charging contacts
Charging indicator
DC jack
21
39