Siemens MAMMOMAT Novation DR Parts Replacement page 52

52
Tab. 2 Test 1 protocol
Exposure Exp. mode mAs
1
2
3
4
5
6
If grid lines are visible, check the following adjustments:
Eliminating grid lines
There are various adjustments for eliminating grid line problems:
•
Adjusting the "wheel" that is mounted on the grid motor.
•
Adjust the grid switch.
•
Adjust the grid location.
•
Adjust the grid speed.
Adjust the "wheel" that is mounted on the grid motor.
A wheel with slits which activate the grid switch (S1) is mounted on the left side of the grid
motor (M1).
1. Move the grid to the left end position.
2. Check if the slits are horizontal to the detector table
Fig. 28: Adjusting the grid motor wheel
3. Move the grid to the right end position.
4. Check if the slits are horizontal to the detector table
MAMMOMAT Novation DR
mAs 32
mAs 56
mAs 110
AEC "H"
AEC "H"
AEC "H"
SPB7-250.841.01.04.02
05.05
PMMA/mm Tube
angle
30 0°
40 0°
50 0°
40 0°
40 0°
40 0°
(Fig. 28 / p.
(Fig. 28 / p.
Page 52 of 64
CS SD 24
Grid
Visible grid
lines (Y/N)
52).
52).
Siemens AG
Medical Solutions