Steren RAD-530 Manual De Instrucciones página 28

3. To start communicating, just press and hold the
PTT button, the LED indicator lights up red. While
speaking, keep the unit in an upright position and
at a distance of 2.5 cm from the mouth. When you
want to finish the conversation, release the PTT
button.
When receiving, the LED indicator lights up green.
4. Adjust the volume level according to your needs
12 12
5. To turn on/off the light, press briefly the SCAN
button.