Contacta RF-TRX Installations- Und Bedienungsanleitung Seite 4

2. Contacta RF-TRX transceiver
2.1 Controls and displays
Antenna
+ button
- button
USB jack
4 English
talk / status LED
LC-Display
MUTE button
MODE button
charging status LED
power-button
audio-out-jack
headset-jack