Hologic QDR 4500 - Figure 9-1. SUSQ Screen−X-Rays off; Figure 9-2. SUSQ Screen−X-Rays on

QDR

4500 Technical Manual
9-2
VOLTS 0001100100010011
Value N Mean StdDev CV%
Hi Bone 0.9799 7 0.9790 0.0006 0.0665
Lo Bone 0.9793 7 0.9791 0.0004 0.0401
Hi Tissue 0.9784 6 0.9787 0.0003 0.0312
Lo Tissue 0.9787 7 0.9790 0.0004 0.0397
Hi Air 0.9786 7 0.9791 0.0005 0.0545 Test Si
g
nal <Alt>t 0
Lo Air 0.9795 7 0.9788 0.0007 0.0690 Pulse <Alt>
p
1
Drum Half <Alt>h 0
HiVolta
g
e Settin
g
1 Detector 0
Fre
q
uenc
y
Settin
g
60 Hz Hi
g
h Gains 1
Fiter Errors 0 0 Low Gains 1
Hi-Lo Errors 0 0 Xra
y
Mode 3
A
p
erture Readback 11 1160 A
p
erture Settin
g
11
Attenuator Readback -1 0 Attenuator Settin
g
-1
Dark Current Settin
g
65535 65535 65535 65535 65535 65535
X-Ra
y
Controller Status
Figure 9-1. SUSQ Screen
−
−−
−
X-Rays OFF
VOLTS 1100111100101010
Value N Mean StdDev CV%
Hi Bone 4.5217 80 1.4633 1.2334 84.287
Lo Bone 4.6651 80 1.4897 1.2768 85.712
Hi Tissue 5.1012 80 1.5412 1.4298 92.771
Lo Tissue 6.3711 81 1.7820 1.9278 108.18
Hi Air 6.1627 80 1.6885 1.8010 106.66 Test Si
g
nal <Alt>t 0
Lo Air 8.0925 80 1.9613 2.4650 125.68 Pulse <Alt>
p
1
Drum Half <Alt>h 0
HiVolta
g
e Settin
g
1 Detector 140
Fre
q
uenc
y
Settin
g
60 Hz Hi
g
h Gains 1
Fiter Errors 0 0 Low Gains 1
Hi-Lo Errors 0 0 Xra
y
Mode 3
A
p
erture Readback 11 1158 A
p
erture Settin
g
11
Attenuator Readback -1 0 Attenuator Settin
g
-1
Dark Current Settin
g
65535 65535 65535 65535 65535 65535
X-Ra
y
Controller Status
Figure 9-2. SUSQ Screen
−
−−
−
X-Rays ON
Note:
<Home> resets status bits to RED (no change)–GREEN (changed at least once).