Hall Research VHD-HD2CV - Manual (Page 8)

VHD-HD2CV
6
Aspect Adjustment Explained:
Full Screen: Stretches the image to fill the screen entirely.
Letterbox: Stretches source having16:9 aspect ratio, on top and bottom,
to fit on 4:3 display.
Pan & Scan: Crops source having 16:9 aspect ratio, on left and right, to fit
to fit on 4:3 display.
Auto TV 4:3: Automatically detects the aspect ratio (4:3 or 16:9) of input
signal, and adjusts the image to fit on 4:3 output display.
Auto TV 16:9: Automatically detects the aspect ratio (4:3 or 16:9) of input
signal, and adjusts the image to fit with 16:9 output display.
4. Specifications
4.1 Supported Video Input Formats
The converter can support the resolutions and refresh rates below. This data
is reported to the source via the converter’s EDID table.
Resolution RefRate (Hz) Notes – Location in EDID
480i 60 HDTV (Video Data Block: 132-142)
480p 60 HDTV (Video Data Block: 132-142) - Native
576i 50 HDTV (Video Data Block: 132-142)
576p 50 HDTV (Video Data Block: 132-142)
720p 50,60 HDTV (Video Data Block: 132-142)
1080i 50,60 HDTV (Video Data Block: 132-142)
1080p 50,60 HDTV (Video Data Block: 132-142)
1280x768 60 HDTV (Detailed Descriptor #1 175-192) – Native†
1366x768 60 HDTV (Detailed Descriptor #2 175-192) - Native†
1152x864 70,85 HDTV (Detailed Descriptor #3 & #4) - Native†
640x480 60,72,75,85 PC (Established Timings #1 byte 35)
720x400 70 PC (Established Timings #1 byte 35)
800x600 56,60,72,75,85 PC (Established Timings #2 byte 36)
1024x768 60,70,75,85 PC (Established Timings #2 byte 36)
1152x864 70,75,85 PC (Standard Timings: 38-53)
1280x720 60 PC (Standard Timings: 38-53)
1280x800 60 PC (Standard Timings: 38-53)
1280x960 60 PC (Standard Timings: 38-53)
1280x1024 60 PC (Standard Timings: 38-53)
1440x900 60 PC (Detailed Descriptor #1 54-71) - Native†
1600x1200 60 PC (Standard Timings: 38-53)
1680x1050 60 PC (Standard Timings: 38-53)
1920x1080 60 PC (Standard Timings: 38-53)
1920x1200 60 PC (Detailed Descriptor #2 72-89) - Native†
†
Ideally, when connected to a PC, the user should be able to see all of the
above as choices for setting the output resolutions. Most sources initially
attempt to set the output resolution to one of the Natives (480p or any of the
video formats with detailed descriptors).