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LAUNCH
Professional 909 User Manual
3. Components and Controls
3.1 Controls
Top & Front Views
Rear View
No. Name Descriptions
1
DB-15 diagnostic
connector
To connect to vehicle's DLC (Data Link Connector)
via diagnostic cable.
2
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.