9 Maintenance
IP-54 rating
This tablet is rated IP-54, which means that it is protected against dust and splashing water.
To maintain the IP-54 rating, close the audio-out (headphone)/audio-in (microphone) combo jack and all I/O
doors.
To close the bottom I/O door:
1. Insert the bottom edge of the I/O door beneath the front edge of the tablet (1), and then press the door
to close it (2).
2. Press the door on each side as well as the middle to ensure that there is a good seal. Visually conrm
that it is fully closed.
IP-54 rating 49