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Gray Scale Setup
1. Connect a Gray Scale pattern to the set.
2. Preset the registers as shown below.
NORMAL RED
NORMAL GREEN
NORMAL BLUE
NORMAL BLACK LEVEL RED
NORMAL BLACK LEVEL GREEN
DELTA COOL RED
DELTA COOL GREEN
DELTA COOL BLUE
DELTA COOL BLACK LEVEL RED
DELTA COOL BLACK LEVEL GREEN
DELTA WARM RED
DELTA WARM GREEN
DELTA WARM BLUE
DELTA WARM BLACK LEVEL RED
DELTA WARM BLACK LEVEL GREEN
CATHODE DR
3. Set Brightness, Color, and Sharpness controls to 40 and Picture control to maximum.
4. Adjust the NORMAL BLACK LEVEL controls to set the correct gray scale in the dark areas of the
picture.
5. Adjust the NORMAL RED AND BLUE controls to set the correct gray scale in the light areas of the
picture.
6. Use the Menu button on the Remote to back out to the main service menu.
7. Turn the set off using the Power Button on the Remote or the front of the set.
Customer Service Mode (CSM)
All PTV900 series sets are equipped with the "Customer Service Mode" (CSM). CSM is a special service
mode that can be activated and deactivated by the customer, by request of the service technician/dealer
in order to identify the status of the set. This CSM is a 'read only' mode, therefore modifications in this
mode are not possible.
26
56
59
10
13
-6
-7
4
2
1
6
0
-8
-2
-1
12
7615 Adjustments page 11
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