40
14. Adjustment
Operating method: After a normal start-up, successively push the combination keys of mute, screen
display, -/--, screen display and mute on the workshop remote controller to enter a maintenance
menu.
Push numeric 0 7 keys for a rapid choice in the maintenance menu.
Push P+/- CH+/- key to choose items to be adjusted;
Push VOL+/- key to adjust the size of the present item;
Push MUTE key for mute/no mute switchover
Push the key for screen display retreat to retreat from the maintenance menu
Push the numeric 0 key Screen voltage adjustment
VG2 INSIDE HIGH/LOW
Adjust acceleration electrode to change the screen display from VG2 OUTSIDE HIGH/LOW to VG2
INSIDE HIGH/LOW
Maintenance menu 1 Geometric distortion (Table 8)
Table 8
Item Description
Adjusting
range
Default Remarks
5PAR/6PAR
Correction of four corners
0~63
5BOW/6BOW Bow-shape
correction
0~63
5HSH/6HSH
Correction of line center
0~63
5EWW/6EWW Correction
of line width
0~63
5EWP/6EWP
Correction of pillow-shaped
distortion
0~63
5UCR/6UCR
Correction of upper corners
0~63
5LCR/6LCR
Correction of lower corners
0~63
Correction of geometric distortion will automatically fall into categories according to the present
identifiable 50/60hz systems.
Push numeric 2 key:
Maintenance menu 2 Geometric distortion (Table 9)
Table 9
Item Description
Adjusting
range
Default Remarks
5EWT/6EWT Keystone
correction
0~63
5VSL/6VSL
Field inclination correction
0~63
5VAM/6VAM
Field amplitude correction
0~63
5SCL/6SCL
Field S correction
0~63
5VSH/6VSH
Field center correction
0~63
5VOF/6VOF
OSD vertical position
0~63
39
HOF
OSD horizontal position
25
VX Vertical
zoom 0~63 25 Unadjustable
S correction will be adjusted according to the curvature of a picture tube, and the picture tubes of the
same type possess the same S correction value.
Correction of geometric distortion will automatically fall into categories according to the present
Adjustment
