035)03"-*9
Service Manual
C-3
Gendex Dental Systems 4519-190-71193-7
C.4
System initialization
C.4.1
Power on and default condition
Switch on the unit with the mains ON/OFF switch and check the
following default condition:
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STND PANORAMIC
74kV 10mA 12s
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STND PANORAMIC
DMU NOT READY
C.4.2
Reset and dummy run
Press the RESET and DUMMY RUN pushbuttons to check that the
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C.4.3
Conditioning the x-ray tube
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condition the X-ray tube; proceed as follows:
1.
a)
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UIF4FSWJDF1SPHSBNT TFF4FDUJPO'GPSNPSFEFUBJMT
b)
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selected on the control panel.
c)
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-
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The following steps requireX-ray exposure. Take
all the necessary radiation precautions.
2.
Select the exposure factors.
3.
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TFDCFUXFFOFBDIFYQPTVSFGPMMPXJOHUIFTFRVFODF
indicated in the table below:
MODE
N. EXPOSURE
kV
mA
SEC
PAN
5
60
4
0.63
WAIT 2 min
PAN
5
70
10
0.80
WAIT 2 min
PAN
5
80
10
0.80
4.
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BOEUIFN"TFFUIFQSPDFEVSFEFTDSJCFEJOTFDUJPO%
C.5
Adjustments and checks
The system is completely adjusted and tested in the factory.
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further adjustment.
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for more details.
C.5.1
Alignment of x-ray field pan mode
C.5.1.1
Orthoralix 9200/Plus/Ceph
To check the alignment of the X-ray field in panoramic mode
proceed as follows:
1.
Take two dental films and draw a line on their centre with a
sharp pencil.
2.
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-
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VQQFSFEHFPGUIFTMJUUIFMPXFSFEHFPG#DPJODJEFTXJUI
the lower edge of the slit.
Film A
Film B
Slit
Slit center
3.
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-
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N"TBOENBLFBOFYQPTVSF
4.
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-
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the edges corresponding to the slit.
Film A
Film B
Good
Wrong
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Wrong
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Wrong
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Wrong
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5.
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The vertical dimension of the X-ray field measured on a
panoramic film is 131mm ± 3mm.
&
Printed on: 20 Apr 2012, 04:59:40 pm; Printed by: UWE.ZELLER
