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Installation
8.
9.
Small focus W/Rh
1.
2.
3.
4.
Adjusting the light field/radiation field
In "Main menu", "Configuration", "Beam limiting device" enter a default value of 17 mm for
both small and large tungsten focus. Press <F2> to calibrate and then <F2> to save.
Large tungsten focus
1.
2.
3.
NOTICE
4.
Small tungsten focus
1.
2.
Siemens-Elema AB
Solna, Sweden
Press ESC and choose once more "Large focus tungsten" and <F3> (learn).
Press <ALT> + <F6> to release exposure.
Repeat step 8 until the divergence is within the interval -5% to + 5%.
Mount a magnification table.
In the service program choose "Main menu" then "Configuration" and then
"Filament".
Place the marker on "Small focus tungsten".
Repeat the same procedure as described in chapter "Large focus W/Rh" (at point
8. choose "Small focus tungsten").
Attach an 18
24 table.
Select W/Rh anode/filter combination.
Check the light field/radiation field according to the Installation and Set-up
Instructions for MAMMOMAT 3000 Modular.
The beam limiting device must not run into its mechanical
endstop. If it does the value must be changed.
If necessary perform adjustments. The adjustment of the over-radiation at the
chest wall side is done by increasing/decreasing the value in "Main menu",
"Configuration", "Beam limiting device", "Large tungsten, mm from edge". Press
<F2> to calibrate and then<F2> to save.
Attach an 18
24 table.
With the MAMMOMAT 3000 Modular switched off, make a connection between
X813.9, board side, an D801 and +24 V. This will simulate the magnification table
and small focus will be selected.
To do this (see fig 3.4):
2.1 Unplug X813 on D801.
2.2 Eject pin 9 on connector X813 and isolate the pin.
2.3 Insert the pin of the cable supplied in the kit, in location 9 of X813.
2.4 Reinsert X813 on D801.
2.5 Connect the other end of the supplied cable to MP 24VF on D802.
Register 5
SPB7-230.092.11
Rev. 01
04.98
Page 5 of 8
MAMMOMAT 3000 Modular
SPS-UD
3 - 5
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Service
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