Exactly as described, the full user-manual (145 pages). Perfect.
Text excerpt from page 9 (click to view)
Maintenance
Replacing the Fuse
ENGLISH
If the fuse is blown, check the power connection first and then replace the fuse. If the fuse blows again under normal conditions, the unit may be defective.
Removing the Unit
Use the supplied release keys when you need to remove the unit from the car. Insert them into the unit as shown below. This will unlock the unit from the sleeve, allowing for removal of the unit.
Back of the unit
Notes Warning
Use only a fuse with the specified amperage (10 A). Use of another type of fuse can result in a fire or unit damage. � Handle the release keys carefully to avoid injuring your fingers. � Keep the release keys in a safe place for future use.
Cleaning the Connectors
If the connectors of the unit and the front panel are contaminated, malfunctions may occur. Detach the front panel and clean the connectors with an alcohol dampened cotton swab as shown below.
Main unit
Back of the front panel
Returning to the Initial Settings
When the reset button is pressed, the microcomputer of the unit returns to the initial settings. If the display window is not properly shown or the unit malfunctions, press the reset button with the point of a sharp object such as a ball-point pen.
