Figure 9-3. Susq Screen Settings - Hologic QDR 4500 Technical Manual

Testing the QDR 4500 System in SURVEY (SUSQ)
VOLTS
Value
Hi Bone 0.9799
Lo Bone 0.9793
Hi Tissue 0.9784
Lo Tissue 0.9787
Hi Air 0.9786
Lo Air 0.9795
HiVoltage Setting
Frequency Setting
Fiter Errors
Hi-Lo Errors
Aperture Readback
Attenuator Readback
Dark Current Setting
Use the UP/DOWN arrows to change settings (see Figure 9-3).
1. Toggle <F10> to change this entry to VOLTS.
a) When X-rays are OFF, all voltages should be approximately 1V.
b) When X-rays are turned ON, Hi Bone should be the lowest reading and Lo Air
should be the highest at approximately 8V (see Figure 9-2).
2. Should read "1".
3. Should read "60Hz".
4. Should read "0".
5. Indicates the channel being monitored.
6. Set to 1.
7. Set to 3.
8. Set the Aperture to a 11. The Aperture Readback should then read 11.
9. Not used.
Section 9 - Software Tools
1
2
X-Ray Controller Status
0001100100010011
N Mean StdDev CV%
7 0.9790 0.0006 0.0665
7 0.9791 0.0004 0.0401
6 0.9787 0.0003 0.0312
7 0.9790 0.0004 0.0397
7 0.9791 0.0005 0.0545
7 0.9788 0.0007 0.0690
1
60 Hz
0 0
0 0
11 1160
-1 0
65535 65535 65535

Figure 9-3. SUSQ Screen Settings

3
Test Signal <Alt>t
Pulse <Alt>p
Drum Half <Alt>h
4
Detector
High Gains
5
Low Gains
Xray Mode
Aperture Setting
Attenuator Setting
65535 65535 65535
6
0
7
1
0
8
0
1
9
1
3
10
11
-1
9-3