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English
Direct Mode Operation (DMO)
Signal Strength
Indicates an incoming Direct Mode Group Call.
Direct Mode
Displayed when the MTH800 is in Direct Mode.
DMO Gateway
Indicates that gateway is selected. The icon has three states:
Solid – while the MTH800 is synchronised with the gateway. 
Flashing – while the MTH800 is not synchronised or during 
attachment.
No icon – during a terminal to terminal and repeater call. 
DMO Repeater
Displayed when the repeater option in DMO is selected. This 
icon has three states:
Solid – while the terminal has detected the repeater (i.e., when 
the terminal receives a presence signal).
Blinking – while the terminal has not detected the repeater or 
during attachment.
No icon – during a terminal to terminal and gateway call.
General Icons
All Tones Off / Duplex & Simplex Ring Muted
Indicates that all alert tones are off in the MTH800 or both 
Simplex Ring volume is set to 0 and Duplex Ring volume is set 
to 0.
Simplex Ring Muted
Indicates that Simplex Ring volume is set to 0 and Duplex Ring 
volume is set to more then 0.
Duplex Ring Muted
Indicates that Duplex Ring volume is set to 0 and Simplex Ring 
volume is set to more then 0.
Vibrate On
Indicates that the MTH800 will vibrate to alert you of an 
incoming call.
Vibrate and Ring
Indicates that the MTH800 will vibrate and ring to alert you of 
an incoming call.
Status Icon Description