User Manual
8
LAUNCH   Professional 123X User Manual
5
 Power
•  In Off mode, press it for about 5 seconds to turn 
the handset on.
•  In On mode: 
•  Press it to activate the LCD if the LCD is off. 
•  Press it to turn off the LCD if the LCD lights 
up.
•  Press it for 3 seconds to turn it off.
6  HOME
Press to the home(Job menu) screen.
7
/
Move cursor up and down for selection.
/
Move cursor left or right for selection; Or turn 
page up and down when more than one page is 
displayed.
8 OK Conrms a selection (or action) from a menu list.
9  Return
Exit the current program or return to the previous 
screen. 
3.2 Technical Specications
•  Screen: 5
”
 touch screen
•  RAM: 1G
•  ROM: 8GB
•  OBDII input voltage range: 9~18V
•  Touch & Keypad input
•  Charging via: 
•  DC 5V charging cable or 
•  Diagnostic cable through connection to vehicle’s DLC
•  Dimension: 232mm x 126mm x 34mm
•  Net weight: <565g
•  Working temperature: -10 to 50°C (14 to 122 F°)
•  Storage temperature: -20 to 70°C (-4 to 158 F°)










