Adjusting the sound and picture
Signal compatibility
The signal specifications that this unit supports are as follows:
PC mode (RGB signal)
Display mode | Screen resolution | Horizontal | Vertical |
| (dot ⋅ line) | frequency (kHz) | frequency (Hz) |
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Macintosh |
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13” colour | 640 ⋅ 480 | 35.0 | 67 |
16” colour | 832 ⋅ 624 | 49.7 | 75 |
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IBM PC compatibles |
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VGA text | 640 ⋅ 400 | 31.5 | 70 |
VGA graphics | 640 ⋅ 480 | 31.5 | 60 |
VESA VGA | 640 ⋅ 480 | 37.9 | 72 |
| 640 ⋅ 480 | 37.5 | 75 |
| 640 ⋅ 480 | 43.3 | 85 |
VESA SVGA | 800 ⋅ 600 | 35.2 | 56 |
| 800 ⋅ 600 | 37.9 | 60 |
| 800 ⋅ 600 | 48.1 | 72 |
| 800 ⋅ 600 | 46.9 | 75 |
| 800 ⋅ 600 | 53.7 | 85 |
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Video mode (video signal)
PAL colour system | Displayed in 762 ⋅ 572 area |
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Notes on the PC mode
• This unit does not support XGA mode (1,024 ⋅ 768) and above. If you set the vertical frequency to 60 Hz in XGA mode, the picture is displayed but the picture quality is poor due to the signal loss. Change the screen resolution on your PC to SVGA or VGA.
•Though the Glasstron supports the signals listed above, set the vertical frequency to 60 Hz when using with SVGA (800 ⋅ 600), or to 72 Hz or 75 Hz with VGA (640 ⋅ 480) mode. Also adjust the vertical frequency of the external display output signal of the connected computer.
•When you display VGA pictures (640 ⋅ 480) or PAL video pictures (video mode), the pictures are not displayed across the entire screen. About 60% area of the screen is utilised when VGA pictures appear, or about 84% area is utilised when PAL video pictures appear.
•Some notebook type PCs do not output the RGB signal in the adjusted screen resolution and the vertical frequency from the external monitor port until you set the PC to external display mode.
•When you use Microsoft Windows 95 or Windows 98, install the information file included in the supplied Windows 95/Windows 98 PC Glasstron Information Disk. For details on how to install the information file, refer to the instruction manual “Windows 95/Windows 98 PC Glasstron Information Disk/screen adjustment disk for Macintosh”.