Checking The X-Ray Beam For Tele-Exposure - Sirona Orthophos 3 Maintenance Manual

Sirona Dental Systems GmbH
3.
A
Left and lower
margin unexposed
1/8"
+1/16"
Checking the X-Ray Beam Positon
1. Move the ear olive holder out of the X-ray beam path.
The cassette holder for panorama exposure is still out of the X-ray beam path .
2. Select 80kV/4.00s at the Multitimer.
3.1 Check A = ASYMMETRICAL with diaphragm 3.
Set diaphragm 3 on wheel
Insert opened cassette vertically up to the lefthand stop.
Activate X-RADIATION — only for as long as you need to recognize the beam position.
• If the X-ray beam is not in the correct position,
see Mounting Instructions, chapter 'Adjusting the X-Ray Beam
3.2 Check S = SYMMETRICAL with diaphragm 4.
Set diaphragm 4 on wheel.
Insert opened cassette vertically up to the righthand stop.
Activate X-RADIATION to recognize the beam position.
• If the X-ray beam is not in the correct position,
see Mounting Instructions, chapter 'Adjusting the X-Ray Beam
• Finally reattach covers.
59 01 603 D3285
D3285.103.04.02.02
1.
3.
1 2
On all sides an even
unexposed margin.
(press button D and turn wheel)
S
4.0 0
k
m
for Tele – Exposure
. Set soft-tissue filter to position 120.
for Tele – Exposure'
for Tele – Exposure'
Maintenance Instructions
D
3
120
3.
1
3. 4
2
RADIATIO
X-RAY
c
2.
s
8 0
I 0
for correction.
for correction.
N
19