1. Kontakt OS contact protection spray
2. A precision screwdriver
3. A Phillips screwdriver
4. A plastic prying tool
5. replacement batteries

Remove the 4 plugs using the precision tool, as well as the 4 screws with the Phillips screwdriver located on the back of the audio guide.

Remove the audio guide casing using the plastic prying tool. Once this step is complete, disconnect the battery connector, the screen connector for the STYLE-AG and MINISTYLE-AG, as well as the keyboard connector.

Once the battery is disconnected, apply Kontakt OS on the edges of the battery. Then, gently slide the plastic prying tool under the battery to detach it from the audio guide casing.

To finish, place the new battery in the same position as the old one, with the connectors facing downward. Then reconnect the battery, screen and keyboard connectors. Put the casing back in place, then screw the 4 screws back in and replace the 4 plugs.

1. Kontakt OS contact protection spray
2. A precision screwdriver
3. A Phillips screwdriver
4. A plastic prying tool
5. replacement batteries

Remove the 4 plugs using the precision tool, as well as the 4 screws with the Phillips screwdriver located on the back of the audio guide.

Remove the audio guide casing using the plastic prying tool. Once this step is complete, disconnect the battery connector, the screen connector for the STYLE-AG and MINISTYLE-AG, as well as the keyboard connector.

Once the battery is disconnected, apply Kontakt OS on the edges of the battery. Then, gently slide the plastic prying tool under the battery to detach it from the audio guide casing.

To finish, place the new battery in the same position as the old one, with the connectors facing downward. Then reconnect the battery, screen and keyboard connectors. Put the casing back in place, then screw the 4 screws back in and replace the 4 plugs.