4
3. Description of adjustment
3.1 Unit adjustment
Connect the digital processing board, analog board, power board, power filter board and button
board according to the wiring diagram. Connect with power and observe the display.
3.2 Method for using factory menu
Press ”Source” button, then press”2580” to enter level one factory menu. Press ”
▲
” and “
▼
“ to
select adjustment page of the level one factory menu, then press “OK” to access. Press “
▲
” and
“
▼
“ to move cursor up and down, when the cursor stays on a certain adjustment item, you can
adjust it according the prompt. Press “MENU” exit to the level one factory menu; press “MENU”
again to exit from the factory menu. The adjustment item is list as table 1.
Table 1 adjustment item
No.
Item
Specification
1
Factory Preset
Reset to the default data
2 Spatial
NR
3 Speckel
NR
4 Temporal
NR
Noise reduce setting, the preset data of each
channel is different, please don’t change it.
5
White Balance
White balance adjustment
6
Auto Color
A/D correction
7
DTV Manual Scan
If search DTV at manual scan, default= Off
3.3 adjustment of white balance
3.3.1 input 16 level gray-scale signal from VG849 to HDMI channel (TMIING: select a support
format of HDMI), enter white balance adjustment page of factory menu, select cool color
temperature of item, fixed GG to 5000, adjust RG, BG, let the color coordinate of third level on the
right be (270,283) at 120nits; fixed BO to 5000, adjust RO, GO, let the color coordinate of third level
on the left be (270,283) at 5nits. The brightness of 120nits and 5nits may obtain by adjusting the
contrast and brightness of menu.
3.3.2 input 16 level gray-scale signal from VG849 to AV channel (TMIING:968), enter white balance
adjustment page of factory menu, select cool color temperature of item, fixed GG to 5000, adjust
RG, BG, let the color coordinate of third level on the right be (270,283) at 120nits; fixed BO to 5000,
adjust RO, GO, let the color coordinate of third level on the left be (270,283) at 5nits. The brightness
of 120nits and 5nits may obtain by adjusting the contrast and brightness of menu.
3.3.3 input 16 level gray-scale signal from VG849 to VGA channel (TMIING: select a support format
of VGA), enter white balance adjustment page of factory menu, select cool color temperature of
item, fixed GG to 5000, adjust RG, BG let the color coordinate of third level on the right be (270,283)
at 120nits; fixed GO to 5000, adjust RO, BO, let the color coordinate of third level on the left be
(270,283) at 5nits. The brightness of 120nits and 5nits may obtain by adjusting the contrast and
brightness of menu.
3.3.4 input 16 level gray-scale signal of 480P from VG849 to YPbPr channel, enter white balance
adjustment page of factory menu, select cool color temperature of item, fixed RG, GG, BG to 5000,
and RO to 5000, adjust RO, BO, let the color coordinate of third level on the left be (270,283) at
5nits. The brightness of 5nits may obtain by adjusting the contrast and brightness of menu.
Note: the white balance adjustment of VGA and YPBPR must be done at the situation that the white
balance adjustment of HDMI is accurate.
