Ericsson NPC-50 - Manual (Page 6)

CONTROLS AND FUNCTIONS
1. Antenna
2. Built-In Microphone
3. On/Off Switch/Volume Control
4. Built-In Speaker
5. Antenna Connector
6. Transmit LED
7. Rubberized Jack Cover
8. External Speaker Jack
9. External Microphone Jack
10. Charge Jack
11. Push-To-Talk (PTT) Switch
12. Monitor Switch
6