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Appendix
Chapter 2. Service Utility-Additional Instructions
1.4 Gamma Table of BAR Tone Correction (for TOSHIBA modality)
GAMMA
GAMMA
11
MRI
Diag. Unit
Flexart
(1)
0
0.2
0.05
0.1
0.24
0.15
0.2
0.28
0.3
0.33
0.4
0.4
0.5
0.46
0.6
0.51
0.7
0.54
0.8
0.58
0.9
0.62
1
0.66
1.1
0.7
1.2
0.74
1.3
0.79
1.4
0.84
1.5
0.89
1.6
0.94
1.7
1
1.8
1.06
1.9
1.14
2
1.23
2.1
1.33
2.2
1.46
2.3
1.62
2.4
1.84
2.5
2.13
2.64
2.64
(Note) Diag. Unit listed in the table provides a reference for domestic use in Japan.
006-251-02
03.30.2000 FM2730
Gamma Table (BAR Scheme, for TOSHIBA Modality)
GAMMA
GAMMA
GAMMA
12
13
14
MRI
Y Value,
Flexart
Reserved
Linear
(2)
0.48
0
0.15
0.5
0.1
0.52
0.2
0.54
0.3
0.57
0.4
0.6
0.5
0.62
0.6
0.65
0.7
0.69
0.8
0.72
0.9
0.75
1
0.79
1.1
0.84
1.2
0.88
1.3
0.93
1.4
0.98
1.5
1.05
1.6
1.12
1.7
1.19
1.8
1.28
1.9
1.38
2
1.5
2.1
1.64
2.2
1.82
2.3
2.08
2.4
2.4
2.5
2.64
2.64
2.64
GAMMA
GAMMA
GAMMA
15
16
17
RI
RI
Dmax3.0
(Clear-
(Blue-
(Clear-
based,
based,
based,
Linear)
Linear)
Linear)
0.23
0.23
0.17
0.33
0.36
0.29
0.38
0.44
0.37
0.5
0.46
0.53
0.47
0.55
0.61
0.57
0.63
0.69
0.68
0.72
0.77
0.78
0.81
0.85
0.88
0.89
0.93
0.98
0.98
1
1.08
1.06
1.08
1.18
1.15
1.16
1.28
1.24
1.24
1.39
1.32
1.31
1.5
1.4
1.39
1.6
1.49
1.48
1.7
1.58
1.55
1.8
1.66
1.62
1.91
1.75
1.71
2.01
1.83
1.79
2.11
1.92
1.86
2.2
2.01
1.94
2.28
2.09
2.02
2.35
2.17
2.1
2.42
2.24
2.17
2.48
2.3
2.24
2.53
2.36
2.29
2.58
2.44
2.36
2.64
FN-PS551 Service Manual
Appendix-26
GAMMA
GAMMA
GAMMA
18
19
20
IIDR
IIDR
Dmax3.0
(Clear-
(Blue-
(Blue-
based,
based,
based,
Linear)
Linear)
Linear)
Dmax2.7
Dmax2.7
0.17
0.17
0.17
0.31
0.28
0.31
0.42
0.36
0.4
0.5
0.49
0.55
0.45
0.53
0.65
0.54
0.62
0.75
0.63
0.71
0.85
0.73
0.8
0.95
0.82
0.89
1.05
0.91
0.97
1.15
1
1.06
1.25
1.09
1.15
1.35
1.18
1.24
1.44
1.28
1.33
1.54
1.37
1.42
1.64
1.46
1.51
1.74
1.55
1.6
1.84
1.64
1.68
1.94
1.74
1.77
2.04
1.84
1.86
2.14
1.93
1.95
2.22
2.02
2.04
2.3
2.11
2.13
2.37
2.19
2.21
2.43
2.27
2.27
2.49
2.33
2.34
2.54
2.39
2.4
2.58
2.45
2.45
2.64
2.52
2.52
TAP4A004.EPS
Appendix-26
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