50 | Using the MC40
Figure 30: MC40 PTT Buttons
Group Call Hard Button
Private Call Hard Button
Figure 31: Wired Headset
Creating a Group Call
1 Press and hold the Group Call button (or the Talk button on the headset) and listen for the talk tone to play.
If a busy tone is heard, release the button and wait a moment before making another attempt. Ensure that PTT
Express and the WLAN are enabled.
2 Start talking after the talk tone is heard.
Note: If the user holds the button for more than 60 seconds (default), the call is dropped allowing others
to make Group calls. The user should release the button when finished talking to allow others to make
| April 2014 | MN000111A02-A