Setting The Focus Value - DAINIPPON SCREEN PLATE RITE 4300 User Manual

PT-R4300 USERS MANUAL

2.8 Setting the Focus Value

Set, for the plate, the focus value for each resolution.
1200
2000
2400
4000
2438
2540
1. The highlight moves each time you press [ENT]. Enter focus value and then
press [ENT].
2. When entry is complete, press [OK].
The zoom value and absolute precision correction value setting screen appears.
• To check the focus value settings or perform a text exposure to determine the
NOTE
optimum focus values, refer to "9. Test Exposure."
• A focus value of 1 pulse corresponds to 1µm. The larger the focus value, the
closer the focus point moves toward the drum. For example, if the focus value of a
plate with thickness = 0.24 mm is 2000, the focus value of a 0.30 mm plate will be
approximately 1940 (0.30 - 0.24 mm = 60µm, hence 2000 - 60 = 1940).
5-16
dpi
[pulse]
2220
2300
2220
2300
2000
2000
ESC OK
Fig. 5-14 Focus setting screen
These keys also move
CLR
the highlighted portion.
7 8 9
4 5 6
Focus values
1 2 3
0 —
.
ENT