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2
1.0
INTRODUCTION
The Navman MDT-850 is a Mobile Data Terminal that sends and receives two-way text messages
from the dashboard to the OnlineAVL application loaded on a PC at your office. The MDT-850 can
send preset replies or outbound messages.
2.0
GETTING STARTED
On installation or reset of the unit, the MDT-850 displays a start screen that indicates the product
name and software version/date. After a few seconds, the display changes to the received
message screen.
3.0 MDT KEYS
Key(s)
Use to
‘Page Up’ and ‘Page
Down’
Scroll through message list
‘Selection Keys’
Select a highlighted message from the list displayed on screen
‘Right’ and ‘Left’
Function
Go back and forth between messages
Select the digit of a message that needs editing
‘Up’ and ‘Down’
Function
Scroll through list of messages four at a time
Edit value of a message that needs editing
‘Enter’
Select highlighted message on screen
Accept received message & end the beep tone
‘Backlight’
Cycle backlight brightness (six levels)
‘Backspace’
Return to the message received screen
Page Up
Page
Down
Status Bar
Backspace
Key
Backlight
Key
Status Bar
Message
List Screen
Function Keys: Up,
Down, Right, Left
Selection
Keys
ENTER
Key