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Selecting TMO or DMO Operation
Entering TMO or DMO
Enter TMO or DMO in one of the following ways:
• From the Home display press Optns and select Direct Mode if 
the MTH800 is in TMO.
• From the Home display press Optns and select Trunked Mode if 
the MTH800 is in DMO.
• Press and select More... > Networks > Trunked Mode if 
the MTH800 is in DMO.
• Press and select More... > Networks > Direct Mode if the 
MTH800 is in TMO.
• Press the TMO/DMO one-touch button (if programmed by your 
Service Provider).
You can make and receive the following types of calls when the 
MTH800 operates in Trunked Mode:
• Group Calls 
• Private Calls
• Private Calls via MS-ISDN
• Phone Calls 
• PABX Calls – local (office) extension calls
• Emergency Calls
• Emergency Private Calls.
You can make and receive Group and Private Calls
 when the 
MTH800 operates in Direct Mode. This includes Emergency Group 
Calls.
The MTH800 returns to the Home display when there is no activity 
for a few seconds.
Your terminal can alert you of an incoming call. Select the alert 
settings in the Vibrate menu and Tones menu items.