Siemens ARCADIS Varic User manual

© Siemens AG
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of a utility model or design, are
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Print No.:
Mühlhäußer
ARCADIS Varic / Orbic
System
Adjustment
SP
2006
SPR2-310.842.01.07.02
Replaces: SPR2-310.842.01.06.02
English
Doc. Gen. Date: 12.06
Main System / Adjustment
0808001708081080

2 Revision / Disclaimer
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1Revision / Disclaimer
Document revision level
The document corresponds to the version/revision level effective at the time of system
delivery. Revisions to hardcopy documentation are not automatically distributed.
Please contact your local Siemens office to order current revision levels.
Disclaimer
The installation and service of equipment described herein is to be performed by qualified
personnel who are employed by Siemens or one of its affiliates or who are otherwise
authorized by Siemens or one of its affiliates to provide such services.
Assemblers and other persons who are not employed by or otherwise directly affiliated
with or authorized by Siemens or one of its affiliates are directed to contact one of the
local offices of Siemens or one of its affiliates before attempting installation or service pro-
cedures.

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Table of Contents 3
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0Table of Contents
1 _______ Prerequisites ___________________________________________________ 4
Tools, Test Equipment and Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety Information and Safety Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
General information for the following adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 _______ Adjustments ____________________________________________________ 8
Generator Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Generator Adjustment Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Load counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Image Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Collimator X-iris . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Display X-iris . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Collimator Slot Diaphragm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Display Slot Diaphragm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Dose area product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Air Kerma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Dose rate adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Checking the dose rate in automatic mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3 _______ Changes to the previous version __________________________________ 33

4 Prerequisites
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1-1Prerequisites
Tools, Test Equipment and Aids 0
NOTE All tools, test equipment and aids with the exception of those
marked “*”, are listed along with their specifications in the STC
(Service Tools Catalogue).
•Standard tool kit*
•Multimeter Digital
e.g. “Fluke 8060 A” Part No. 97 02 101 Y4290
•Oscilloscope > 50 MHz
e.g. Fluke CombiScobe PM 3390 A Part No. 99 00 861 Y3155
•Dose measurement device
e.g. PTW-DALI*
or PTW-NOMEX*
or PTW-DIADOS
no longer in ARTD
no longer in ARTD
Part No. 97 17 612 Y0388
•Protective conductor meter
e.g. tester Unimed 1000 Part No. 51 38 727 Y0766
•1 set of radiation filters e.g. Part No. 97 98 596 G5321
•Center cross e.g. Part No. 96 60 051 RE999

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Safety Information and Safety Measures 1.1
NOTE When performing service work and tests, please observe:
- the product-specific information in the document Replacement
of Parts, SPR2-310.841.01..
- the safety information in TD00-000.860.01.. in the Register in the
ARCADIS binder, as well as
- the safety information contained in the ARTD, Part 2.
WARNING Dangerous X-radiation during checks and adjustment work steps.
Risk of death or serious physical injury.
¹For checks and adjustments that must be performed with
radiation switched on, the prescribed radiation safety
measures must be observed; if necessary, wear radiation
protective clothing (see also ARTD-002.731.02.. and
ARTD-002.731.38.. General Guidelines for Technical Ser-
vice). These checks and adjustments are explicitly
labeled on the following pages with the radiation warning
symbol x.
Symbols
XThis symbol means “X-ray”, checks and adjustments that must be performed with
radiation ON.

6Prerequisites
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General information for the following adjustments 1.2
1. Switch on the ARCADIS system.
2. In the application menu bar, click on <Options>-<Service>-<Local Service>.
3. Enter the (6-digit) password.
4. Click on <OK>.
5. Click on <Main System>.
6. Select the ARCADIS system type.
7. Click on <Next>.
The following adjustments are available:
•Generator adjustment
•Generator adjustment check
•Load counter
•Image rotation
•Collimator X-iris
•Display X-iris
•Collimator slot diaphragm
•Display slot diaphragm
•Dose area product
•Air kerma
•Dose rate adjustment / checking the dose rate in automatic mode
These adjustments are described on the following pages in the above-mentioned
sequence in this document, and they are also available in the system. A <click here> link
is available on the pages where adjustments are possible. When you click on <click
here>; the relevant adjustment description page will come up on the monitor. Always
place the description page on the right monitor.
NOTE After making changes under “Configuration” or “Adjustment”, a
backup of the new values is required.
NOTE After you enter the service menu, the currently selected dominant
is shown as a circle in the radiation field.

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Abbreviations 1.3
DAP Dose area product
DAP int Dose area product, internal measurement from system
DAP ext Dose area product, external measurement from dose meter
Kaint Dose (air kerma), internal measurement from system
Kaext Dose (air kerma), external measurement from dose meter
∆Ka/∆t int Dose rate (air kerma), internal measurement from system
∆Ka/∆t ext Dose rate (air kerma), external measurement from dose meter
CFC Continuous FluorosCopy
PFC Pulsed FluorosCopy

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2-2Adjustments
Generator Adjustment 0
1. Register an emergency patient to allow radiation release.
2. Place 2.1 mm Cu on the radiation exit port of the single tank.
3. Click on <Go>.
¹Action bar: “start fluoroscopy”
X4. Start fluoro
¹Action bar: “continue fluoro”
¹Status bar: “kV- offset-learning”
¹Status bar: “kV- learning done”
¹Action bar: “stop fluoroscopy”
5. Stop fluoro
¹Status bar: “generator learning”
¹Action bar: “start fluoroscopy”
X6. Start fluoro
¹Action bar: “continue fluoro”
¹Status bar: “warmup” (~ 8 minutes)
¹Status bar: “filament correction”
¹Status bar: “learning pushfactor”
¹Status bar: “gen. learning done”
¹Action bar: “stop fluoroscopy”
7. Stop fluoro
8. Click on <Save>.
¹A window appears: “Main system values were successfully saved” --> click on
<OK>.
9. Click on “>” for the next page (multiple exposure) and perform a generator adjustment
check.

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Generator Adjustment Check 2.1
1. Click on <Go> to activate “Multiple Exposure”.
¹The system is now in direct exposure mode.
2. Select 81 kV with the kV+ / kV- keys and 8 mAs with the mAs+ / mAs- keys
3. Connect oscilloscope channel 1 to D1.X46, ground at 0V for "mA ist".
¹Set the sensitivity to 2 V / Div. (1 V = 2.5 mA).
4. Connect oscilloscope channel 2 to D1.X48, ground at 0 V for "kV ist".
¹Set the sensitivity to 2 V / Div. (1 V = 20 kV)
¹Set the time to 5 ms / Div.
X5. Release an exposure with the hand switch and store the oscillogram.
6. Evaluate the oscillogram (Fig.1/p.9), tolerance for the mA curve:
¹The tube current must reach 13 mA ± 1.5 mA within 3 ms
7. Click on <Go> to stop the direct exposure mode.
8. If the tube current (Fig.1/p.9)exceeds the specified tolerances, the generator adjust-
ment and the mAs counter adjustment must be repeated.
Fig. 1: Generator adjustment

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Load counter 2.2
Store load counter data
1. Switch on the system and insert a CD in the CD-ROM drive.
2. Open the service application.
3. Click on <Reports> and <Configuration Online>.
¹A new report of the main system will be generated.
4. Click on <Exit> to close this window.
5. Click on <Eventlog> and <Burn Log-Files> in the service menu.
¹A window appears “Do you want to burn a newly created developer SaveLog
too?”.
6. Click on <Yes> , <Select All> and <Burn Files>.
¹All data will be burned on the CD, including the actual load counter data and the
event log.
NOTE Replacing the D1 board (main system) sets the “reset counter”
and the load units to “0”.
Load counter reset
1. Install the new tube and enter the new single tank serial number under <Main Sys-
tem>-<Configuration>-<Load Counter>.
2. Under “Adjustment” click on <Load Counter>.
3. Click on <Go> to reset the load counter.
¹A load counter reset is only possible after the new single tank serial number is
entered under <Main System>-<Configuration>-<Load Counter>.
4. Click on <Go> to end the reset of the load counter.
¹The main system reboots
¹A error message appears “Single Tank is not equal...”
NOTE After a load counter reset, the serial number of the new tube is not
shown under <Main System>-<Adjustment>-<Load Counter> until
a “Generator Adjustment” has been performed.
5. Under “Adjustment” click on <Generator Adjustment> and perform a “Generator Adjust-
ment”
6. After the “Generator Adjustment” check whether the “Load Counter” reset has been
carried out.
¹Check under <Main System>-<Adjustment>-<Load Counter> to see if the “single
tank serial number” has changed to the new tube serial number.
NOTE Send the burned CD together with the single tank and the tube
questionnaire back to the factory (as required by the terms of the
warranty).

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Image Rotation 2.3
Fig. 2: Image rotation
Adjustment
1. Register an emergency patient to allow radiation release.
2. Manually set the image rotation to the 0 degree position at the control console.
¹See display for image rotation at the control console.
3. Attach an Allen key and a piece of solder wire to the image intensifier as shown in
(Fig.3/p.11).
4. Click on <Go>.
¹Status bar: Init (Disable Limits) --> running --> success
X5. Briefly release fluoro and then use the PC mouse to rotate the LIH image on the moni-
tor screen into the 0 degree position.
¹The image (left/right / up/down) corresponds to (Fig.4/p.11).
6. Click on <Go>.
¹Status bar: 0 Degree Position --> running --> success
Fig. 3: Image_rotation Fig. 4: Image position

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7. Click on <Go>.
¹Status bar: Init Off & Store Positions --> running --> success A window appears:
Calibration is finished --> confirm with <OK>.
¹The main system restarts.
8. Manually set the image rotation to the 0 degree position at the control console.
¹See display for image rotation at the control console.
X9. Briefly release fluoro.
¹The image should now display in the correct 0 degree position (Fig.4/p.11); if
not, repeat adjustment.
10. Click on “>” for the next page and click on <Finish>.

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Collimator X-iris 2.4
•Use the X-iris keys at the control console for the adjustment.
¹At least 2 blades of the X-iris must be visible.
¹For countries with DHHS regulation, 8 blades must be visible.
1. Register an emergency patient to allow radiation release.
2. Attach the centering cross in the center of the image intensifier input screen.
3. To deselect the circle mask, select “Transparent” and click on <Activate>.
4. Click on <Go>.
¹Status bar: Init (LimitsOff/Autosearch) --> running --> success
X5. Release fluoro and adjust the X-iris so that the blades are still visible along the edge of
the I.I.
NOTE For units with air kerma display, a default value of 200 mm for
“X-iris I.I.-Full Format Position” is used for software calculation.
Enter different diameter settings under <Configuration>-<Main
System>-<Air Kerma> “X-Iris Open Position in mm”.
6. Stop fluoro and click on <Go>
¹Status bar: I.I.-Full Format Position --> running --> success
X7. Release fluoro and adjust the X-iris so that the blades are still visible along the edge of
the I.I .
8. Stop fluoro and click on <Go>.
¹Status bar: I.I.-Zoom Format Position --> running --> success
¹CEX position is automatically selected. Wait until the "X-iris open button LED" is
on.
9. Click on <Go>.
¹Status bar: CEX Position --> running --> success
Prerequisites
Adjustment
I.I. Full Format Position
I.I. Zoom Format Position
CEX Position
Closed Position

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X10. Release fluoro and close X-iris until the X-ray field is 43 mm. Tolerance: + 2 mm/ -3 mm.
¹See attached centering cross.
NOTE For units with air kerma display it is important for software calcula-
tion that the X-iris closed position is adjusted accurately.
11. Stop fluoro and click on <Go>.
¹Status bar: Closed Position --> running --> success
12. Click on <Go>.
¹Status bar: Init Off & Store Positions --> running --> success
¹A window appears: "Calibration is finished..." --> confirm with <OK>.
¹Main system restarts.
13. Click on “>” for the next page.
¹The main system restarts and the circle mask switches back to on.
¹The X-iris positions can be configured manually here.
14. Configure the "Zoom Procedure" on this page per the country regulations or the cus-
tomer’s preference.
15. Click on <Finish>.
16. Check the adjustment and repeat if necessary.
Init Off & Store Values

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Display X-iris 2.5
•Use the X-iris keys at the control console for the adjustment.
•“Collimator X-Iris” has been adjusted correctly.
1. Register an emergency patient to allow radiation release.
2. Click on <Go>.
¹Status bar: Init --> running --> success
X3. Briefly release fluoro for the LIH image.
4. Adjust the graphic display until the graphic circle is aligned with the circle size of the
X-iris diaphragm.
5. Click on <Go>.
¹Status bar: Open Pos-. I.I. - Full Format --> running --> success
X6. Briefly release fluoro for the LIH image.
7. Adjust the graphic display until the graphic circle is aligned with the circle size of the
X-iris diaphragm.
8. Click on <Go>.
¹Status bar: Close Pos. I.I. - Full Format --> running --> success
X9. Briefly release fluoro for the LIH image.
10. Adjust the graphic display until the graphic circle is aligned with the circle size of the
X-iris diaphragm.
11. Click on <Go>
¹Status bar: Close Pos. I.I. - Zoom Format --> running --> success
X12. Briefly release fluoro for the LIH image
13. Adjust the graphic display until the graphic circle is aligned with the circle size of the
X-iris diaphragm.
14. Click on <Go>.
¹Status bar: Open Pos. I.I. - Zoom Format --> running --> success
Prerequisites
Adjustment
Open Pos. I.I. Full Format
Close Pos. I.I. Full Format
Close Pos. I.I. Zoom Format
Open Pos. I.I. Zoom Format

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15. Click on <Go>.
¹Status bar: Init Off & Store Values --> running --> success
¹A window appears: "Calibration is finished..." --> confirm with <OK>.
¹The main system restarts.
16. Click on “>” for the next page and click on <Finish>.
17. Check the adjustment and repeat if necessary.
Open Pos. I.I. Zoom Format

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Collimator Slot Diaphragm 2.6
•Image rotation has been adjusted correctly.
•Use the slot diaphragm keys at the control console for the adjustment.
•Image reversal functions are disabled.
•Use 2.1 mm Cu as prefilter.
1. Register an emergency patient to allow radiation release
2. Click on <Go>.
¹Status bar: Init (LimitsOff/Autosearch) --> running --> success
X3. Release fluoro and move the slot diaphragm to the vertical position ( ↑) on the monitor.
4. Stop fluoro and click on <Go>.
¹Status bar: 0 Degree Position --> running --> success
X5. Release fluoro and open the slot diaphragm so that the blades begin to disappear at the
edge of the image.
NOTE For units with air kerma display it is important for software calcula-
tion that the slot diaphragm in “I.I. - Full Format Position” is
adjusted accurately to the edge of the visible I.I. field.
6. Stop fluoro and click on <Go>.
¹Status bar: I.I.-Full Format Position --> running --> success
X7. Release fluoro and open the slot diaphragm so that the blades begin to disappear at the
edge of the image.
8. Stop fluoro and click on <Go>.
¹Status bar: I.I.-Zoom Format Position --> running --> success
Prerequisites
Adjustment
0 Degree Position
I.I. Full Format Position
I.I. Zoom Format Position
Init Off & Store Position

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9. Click on <Go>.
¹Status bar: Init Off & Store Position --> running --> success
¹A window appears: Calibration is finished --> confirm with <OK>.
¹The main system restarts.
10. Click on “>” for the next page and click on <Finish>.
11. Check the adjustment and repeat if necessary.

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Display Slot Diaphragm 2.7
•“Collimator Slot Diaphragm” has been adjusted correctly.
•Use the slot diaphragm keys at the control console for the adjustment.
•Use 2.1 mm Cu as prefilter.
1. Register an emergency patient to allow radiation release.
2. Click on <Go>.
¹Status bar: Init --> running --> success
¹Press the collimator X-iris “open button” at the control console to open the X-iris
completely.
X3. Briefly release fluoro for the LIH image.
4. Adjust the display lines on the monitor until the lines are aligned with the front edges of
the slot diaphragm blades.
5. Click on <Go>.
¹Status bar: Open Pos. I.I. - Full Format Position --> running --> success
X6. Briefly release fluoro for the LIH image.
7. Adjust the display lines on the monitor until the lines are aligned with the front edges of
the slot diaphragm blades.
8. Click on <Go>.
¹Status bar: Close Pos. I.I. - Full Format --> running --> success
X9. Briefly release fluoro for the LIH image.
10. Adjust the display lines on the monitor until the lines are aligned with the front edges of
the slot diaphragm blades.
11. Click on <Go>.
¹Status bar: Close Pos. I.I. - Zoom Format --> running --> success
Prerequisites
Adjustment
Open Pos. I.I. Full Format
Close Pos. I.I. Full Format
Close Pos. I.I. Zoom Format
Open Pos. I.I. Zoom Format

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X12. Briefly release fluoro for the LIH image.
13. Adjust the display lines on the monitor until the lines are aligned with the front edges of
the slot diaphragm blades.
14. Click on <Go>.
¹Status bar: Open Pos. I.I. - Zoom Format --> running --> success
15. Click on <Go>.
¹Status bar: Init Off & Store Position --> running --> success
¹A window appears: “Calibration is finished...” --> confirm with <OK>.
¹The main system restarts.
16. Click on “>” for the next page and click on <Finish>.
17. Check the adjustment and repeat if necessary.
Init Off & Store Position