Motorola XPR 7350 用户手册

Wait for the Talk Permit Tone to finish (if enabled) and speak 
clearly into the microphone.

Release the PTT button to listen. When the target radio 
responds, the LED blinks green.

If the Channel Free Indication feature is enabled, you hear a 
short alert tone the moment the target radio releases the 
PTT button, indicating the channel is free for you to respond. 
Press the PTT button to respond.
OR
If there is no voice activity for a predetermined period of 
time, the call ends.

You hear a short tone.

This feature allows you to transmit to all users on the channel. 
Your radio must be programmed to allow you to use this feature.

Select the channel with the active group alias or ID. See 
Selecting a Channel on page 14.

Hold the radio vertically 1 to 2 inches (2.5 to 5.0 cm) from 
your mouth.

Press the PTT button to make the call. The LED lights up 
solid green.

Wait for the Talk Permit Tone to finish (if enabled) and speak 
clearly into the microphone.
OR

 Wait for the PTT Sidetone to finish (if enabled) and 

speak clearly into the microphone.