No. 52025
A
V-20N3
A
V-20NMG3
A
V-20NMG3B
28
Item Measuring
instrument Test point Adjustment part Description
●
●●
●When the ver tical li nearit y has been det erio rated
remarkably, perform th e following steps .
15. Input a cross -h atch s ignal .
16. Select 4. VER. LIN. with the MENU ▼/▲ key.
17. Set the initial setting value of 4. VER LIN. with the MENU - / +
key.
18. Select 5. VER. SCURV E with the MENU ▼/▲ key.
19. Set the initial setting value of 5. VER. SCURV E wit h th e ME NU
- / + key.
20. Adjust 4. VER. LIN. and 5. VER. SCURVE so t hat th e s paces
of each line as sh own in Fig. 3 on TOP, CENTER and
BOTTOM become uniform.
Adju s t men t
of VER. LIN.
& VER.
SCURVE
Signal
generator
Remote
control unit
4. VER. LIN.
5. VER. SCURVE
Make su re that th e adjust ment is properl y done on t he scre en of
60Hz mode .
[NOTE]
" Adjust to make both 50Hz & 60Hz are the same v. size and
fine straight line.
" When ad just agai n, adj ust 5 0Hz m ode fi rst .
" When adjust in 60Hz mode, only 60Hz mode is adjust.
VSM PRESET SETTING
Item Measuring
instrument Test point Adjustment part Description
Setting of
VSM
PRESET
Remote
control unit
TINT
COLOUR
BRIG HT
CONT.
SHARP
1. Enter the SER VICE MENU.
2. Select 4. VSM PRESET from the SERVICE MENU.
3. Select BRIG HT with the PIC TURE MODE key.
4. Adju st the ME NU ▼/▲ and MENU - / + key to b ring the set
values of TINT ～
～～
～ SHARP to the values shown in the below
table.
5. Respectively select the VSM PRESET m ode for SOFT and
STANDARD, and make similar adjustment as in 3 above.
TOP
CENTER
BOTTOM

Fig.3

BRIGHT
TINT
COLOUR
BRIGHT
CONT.
S
HARP
- / + : OPERATE DISP : EXIT
**
**
**
**
**
/ :SELECT
•••
• VSM PRESET
VSM
Setting It em BRIGHT STANDARD SOFT
TINT +15 ←←
COLOUR +15 ←←
BRIGHT + 15 ←←
CONT +30 +15 +11
SHARP +15 ←+12