Technical Bulletin
No. RTB-001
SUBJECT: Software Modification
DATE: May 15, ’92
PAGE: 2 of 2
3. To improve the ADS function, the number of threshold levels is increased. Replace
the first two tables on page 2-32 of the service manual with the tables below.
K
Base Bias Voltage (volts)
Normal or Darker
(SP34 = 0 or 1)
Lighter
(SP34 = 2)
K
≥
TL1
-160
-200
TL1>K
≥
TL2
-200
-240
TL2>K
≥
TL3
-240
-280
TL3>K
≥
TL4
-280
-320
TL4>K
≥
TL5
-320
-360
TL5>K
-360
-400
Increase of
the exposure
lamp data
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
TL1
0.80
0.85
0.90
0.95
1.00
1.05
1.11
1.16
1.20
1.23
TL2
0.75
0.80
0.84
0.88
0.92
0.97
1.01
1.06
1.11
1.16
TL3
0.70
0.74
0.78
0.82
0.86
0.90
0.94
0.99
1.03
1.08
TL4
0.61
0.65
0.69
0.73
0.77
0.81
0.84
0.88
0.92
0.96
TL5
0.29
0.31
0.33
0.35
0.37
0.38
0.40
0.42
0.44
0.46