Planmeca Viso User Manual page 16

5 Safety precautions
12 Planmeca Viso
NOTE
Do not touch the glass windows of the sensor. Fingerprints or other stains on
the glass surface destroy image quality.
NOTE
Portable mobile devices and other high frequency electromagnetic energy
emitting devices used close to the X-ray system may affect the system's
performance. Diagnostic information of the X-ray image may be lost and
unnecessary X-ray dose to the patient may result.
User's manual