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3. Confirm there is no H-Parallel distortion. / If there is distortion,
adjust by H-Parallel (VGA). / In that case, repeat 2 and 3 so that
there is no trapezoid / parallel distortion.
4. Confirmation vertical EW of the corner side. / If needed, adjust Top
-Corner (VGA) and Bottom-Corner (VGA).
5. Confirm bow level of the both side. / If it is not symmetrical, adjust
C-Correct (VGA).
6. Set H-SIZE in the user control to NORMAL. / (No need, if SELF
CHECK is done before shipping.)
6.9. VGA400 / 70 Hz DEFLECTION ADJUSTMENT / CONFIRMATION
6.9.1. V, H-HOLD CONFIRMATION
1. Receive VGA 400 (70 Hz) crosshatch pattern with border line.
2. Copy the data of VGA 480 / 60 Hz mode to VGA 400 / 70 Hz mode
in Table 1.
3. Confirm V, H-hold is normal.
4. Set user control H-SIZE to "0".
6.9.2. V-CENTER ADJUSTMENT
1. Adjust V-POS (VGA 400) so that center of the crosshatch pattern
is center of the CRT.
6.9.3. V-HEIGHT ADJUSTMENT
1. Adjust V-AMP (VGA 400) so that A=B in Fig. 10.
2. Add 10 dac to the above date and set to EEPROM [336].
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