GE Brivo OEC 715 Service Manual

Brivo OEC 715/785/865 Mobile C-Arm X-ray Product Service Manual
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8.8. Image Quality check
8.8.1. Field Size Check
1. Select relative field size, open the collimator to the maximum, and take an exposure.
2. Read the BAFT tick mark on the boundary of the image. The size of the image should be within the
range of the values below:
Mag Mode
NORM
MAG1
MAG2
Displayed Image Diameter (mm)
210 ±10 155 ±8 115 ±8
3. If the requirement is not met, you must perform I.I. Field Size Calibration in 4.6.5.
8.8.2. Auto Technique Tracking
1. Select Auto Fluoro mode and the NORM field size via control panel.
2. Open the collimator Iris and leaves completely.
3. Place copper filters on the collimator and take exposure. Verify that the kVp tracks within the range
indicated in table below.
Model
Copper Filter Thickness
1mm
2mm
3mm
Brivo OEC 715/785
(I.I PN: 5075001):
kVp range 64±4kVp 74±4kVp 82±4kVp
Brivo OEC 715/785/865
(I.I PN: 5085917):
kVp range 62±4kVp 72±4kVp 80±4kVp
Brivo OEC 865
(I.I PN: 5075008):
kVp range 62±4kVp 72±4kVp 80±4kVp
4. Remove all copper filters.
5. If the kVp is not in the range, refer to 4.6.7 for calibration.
8.8.3. Image Resolution
Use the converging line pairs/millimeter (Lp/mm) tool on the Image Intensifier. Verify the resolution in
Lp/mm is equal to, or greater than the following values:
Field Size
NORMAL
MAG1
MAG2
Resolution
(Lp/mm)
Brivo OEC
715/785
Brivo OEC
865
Brivo OEC
715/785
Brivo OEC
865
Brivo OEC
715/785
Brivo OEC
865
≥ 2.0 ≥ 2.2 ≥ 2.6 ≥ 3.0 ≥ 3.1 ≥ 3.5
Record test results on PM checklist.
If the resolution check fails, refer to section 4.6.8 for Camera Focus calibration.

GE Brivo OEC 715 Specifications

General

Brand	GE
Model	Brivo OEC 715
Category	Medical Equipment
Language	English