Runco RS-900 Owner's Operating Manual page 26

Controls and Functions
6. Memory Preset Buttons:
ISF NIGHT
Press to recall settings for the current input from the "ISF Night" memory preset.
ISF DAY
Press to recall settings for the current input from the "ISF Day" memory preset.
CUST1 / CUST2
Press to recall settings for the current input from the "Custom 1" or "Custom 2"
memory preset.
7. Aspect Ratio Selection Buttons
Use these buttons to select an aspect ratio directly, as follows:
16:9
For viewing 16:9 DVDs or HDTV programs in their native aspect ratio.
4:3
Scales the input signal to fit 4:3 display mode in the center of the screen.
LBOX (Letterbox)
For viewing LaserDisc movies or non-anamorphic DVDs on a 16:9 screen.
VWIDE (VirtualWide)
Enlarges a 4:3 image horizontally in a NON-linear fashion to fit 16:9 full screen display.
CINEMA
For viewing 2.35:1 source material.
VCINE (Virtual Cinema – CineWide-equipped projectors only)
Selects the Virtual Cinema aspect ratio, used for viewing 16:9 source material on a
2.35:1 screen.
8. 0 - 9
Use these keys to enter menu passcodes.
12 Runco RS-900 Owner's Operating Manual