Note: The incoming Group Call is signalled by a Receiving Group Call tone.
2 To respond, press and hold the PTT button.
Private Call
The Private Call, also called point-to-point, or individual call, enables calling between two individuals. No other radio
can hear the conversation. This call type can be carried out in two ways:
• Duplex call (if the system allows), in TMO Mode. Both parties can speak at the same time.
• Simplex call, in TMO or DMO Mode. Only one party can speak at a time.
When a DMO Private Call takes place, radios not involved in this call receive the channel busy indication. The radios
are identified using its radio numbers.
Interaction with the accessories:
• Fist Microphone — during the Private Call, if you hang the microphone into the clip the call ends or the audio
switches to the speakers (if connected). Exact behavior depends on your service provider settings.
• Telephone Style Handset — during the Private Call, if you hand the handset into the holder, the call ends or the
audio switches to the speakers (if connected). Exact behavior depends on your service provider settings.
Note: To end the Private Call if audio was switched to the speaker, press ON/OFF/END/HOME key.
To answer a Private Call, use one of the following methods:
• Press the PTT button.
• Take the Fist Microphone or Telephone Style Handset off hook. If the Handset is off hook, the radio’s external
speaker mutes and the Handset’s internal speaker activates.
• Press the SEND key on the control head. Audio is routed to audio input devices in the following order, depending
on their availability:
1 A visor microphone.
2 A microphone of the device that is off hook.
3 A microphone that was last in use (if two devices are off hook).
Related Links
Emergency Individual Calls (Private or MS-ISDN) on page 47
Making Private Calls
Procedure:
1 From the home screen, enter a number.
2 If Private is not the first type of call presented, press Ctype repeatedly to select it.
3 When you are in the following mode:
a TMO — For simplex calls, press and release the PTT button. You hear a ringing tone. Otherwise, press and
hold the PTT button. Wait for the talk permit tone before talking, and release the PTT button to listen. For
duplex calls, press and release the SEND key. You hear a ringing tone.
b DMO — Only simplex calls are available. Press and hold the PTT button. Wait for the talk permit tone before
talking, and release the PTT button to listen.
4 To end the call, press the END key.
Note: If you are using the fist microphone or the telephone style handset, replace it firmly on it's clip or
holder when done.
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