Sirona HELIODENT Vario, Руководство по эксплуатации, Страница: 33 / 110

Sirona Dental Systems GmbH Contents
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60 81 967 D 3350
D 3350.201.02.08.02
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Contents
1
Warning and safety information ................................................................................ 4
2
Technical Description ................................................................................................. 6
3
Controls and display elements .................................................................................. 9
4
Accessories ................................................................................................................. 10
5
Operating ..................................................................................................................... 11
5.1 Preparing an exposure ..................................................................................................................... 11
5.1.1 Switching the unit ON ............................................................................................................... 11
5.1.2 Selecting the radiographic technique ........................................................................................ 12
5.1.3 Setting the exposure data ......................................................................................................... 13
5.2 Positioning the patient/X-ray tube unit .............................................................................................. 15
5.3 Bite-wing exposure ........................................................................................................................... 16
5.4 Releasing an exposure ..................................................................................................................... 17
6
Exposure times............................................................................................................ 18
6.1 Recommended exposure times ........................................................................................................ 18
6.2 Exposure times using tube with 8" source-skin distance (SSD) - class E film.................................. 18
6.3 Exposure times using tube with 12" SSD - class E film .................................................................... 18
6.4 Exposure times using tube with 8" source-skin distance (SSD) - class D film.................................. 19
6.5 Exposure times using tube with 12" SSD - class D film.................................................................... 19
6.6 Exposure times using tube with 8" SSD - Sirona full-size/universal X-ray sensor............................ 20
6.7 Exposure times using tube with 12" SSD - Sirona full-size/universal X-ray sensor.......................... 20
7
Care and maintenance of unit .................................................................................... 21
8
List of error codes....................................................................................................... 22
9
Inspection and maintenance ...................................................................................... 23
9.1 Annual inspection performed by the operator or other authorized personnel................................... 23
9.2 Maintenance performed by the service technician ........................................................................... 23
9.3 Checking image quality..................................................................................................................... 23