NEC MultiSync FP1350 Service Manual page 80

7) Open Menu (S), TAG1 "H.D.FOCUS", and confirms that data are "210".
* When data are different, a " H.D.FOCUS " will be displayed, adjusted to "210".
8) "EXIT" Switch is pushed, and data is saved in the memory.
9) Receive Signal 31 (1600*1200 (60Hz) cross-hatch pattern (green monochrome)) by BNC input, Menu (U),
TAG1 of "CONTRAST" and "BRIGHTNESS" are set up in " PRESET ".
10) The halo level is down with FOCUS VR F2 of FBT, and adjust so that vertical line may become thin in the
center of the screen.
11) Receive Excel of PC (Focus check pattern (1280*1024@85Hz) by D-SUB input, Hereunder setting is
done in the user menu.
CONRAST
H.SIZE
12) It pays attention to the horizontal line of EXCEL.
A Focus is made to get fat with VR, and some double horizontal lines are displayed.
Adjust within the limits of value of VDF(±10STEP) so that the horizontal line double pallet width of 4
square of center and top and bottom may become the same.
Adjust within the limits of value of VDF(between 210±20STEP) so that the horizontal line width of 4 cell of
center and top and bottom may become the same.
Note: Double horizontal lines is done as the one for the center is a little opened because both differences
become ambiguous when it is displayed too much. And because it becomes over-revision, it is faced a
little inside at the edge of the screen.
13) Adjust Focus VR F2 so that character vertical wire of EXCEL may get clear thicker.
14) Adjust Focus VR F1 so that horizontal is not double line and characters are fine on all area.
15) Receive signal 31("
PRESET in the user menu.
16) Make sure that the horizontal lines of "
whole screen. (It is confirmed by using a magnifying glass of 10 times.)
a)
The space between horizontal
lines is crisp.
When it isn't missing, it is adjusted again about 13), the 14)
17) Receive signal 3. (Cross-hatch,Red/Green/Blue each color) Make sure halo is within the specification.
Vertical line halo: halo and core are less than 10(Red). halo and core are less than 9(Green and Blue).
Horizontal line halo: judged to be level (core / halo: 1/1)
18) Open Menu (S), TAG D "CONTRAST PRESET" and push "RESET" SW.(it applies to A/R/AS version only)
:MAX. BRIGHTNESS
:396mm±1mm V.SIZE
" character) by BNC input, and "CONTRAST" and "BRIGHTNESS" are adjusted to
" character white and green colors are crisp as possible in the
or
Vertical Cycle 185 ± 5V
Fig 8-1 Dynamic Focus Wave Form
:PRESET (Menu (U), TAG1)
:297mm±1mm (Menu (U), TAG2)
b)
clause.
5-39
The horizontal lines are not
bold, and do not form halos.