Samsung 740NW Service Manual page 16

3-6-3 How to Control Service Function OSD
-After changing the panel or lamp, you must reset service function OSD.
-The case of panel change
After changing the panel, press the menu key within 5 seconds,.
Then, panel Ch. No increases one step and the panel time information is reset to zero.
Simultaneously, other information is reset to zero (Upper/Lower lamp, Panel cycle).
3-6-4 How to Control Service Function OSD
-In the case of Upper Lamp or Lower Lamp change
After changing the Upper Lamp or Lower Lamp,
1. Select the Upper Lamp or Lower Lamp
2. Press the Menu key within an 5 seconds.
Then, Ch. No and time will be reset to zero (selected item only).
Figure 4.
Figure 5, 6.
3 Alignments and Adjustments
3-3