35
Columns:
[
80,
132, 80-Only]
Choose the number of columns that the screen can display. 80-Only
provides more pages in memory for a given page length by disallowing
changes to 132-column display.
Width Change Clear
:
[On,
Off
]
Select whether the screen is to be cleared when the number of columns on
the screen is changed from 80 to 132 or vice versa.
Changing columns from/to 80-only forces the screen to clear
independent of Width Change Clear.
Speed:
[
Fast
,
Normal]
Selecting “fast” improves the speed at which screen display occurs at the
expense of minor, temporary distortion of text called “tearing.”
Scroll:
[Smooth 1, Smooth 2, Smooth 4, Smooth 8,
Jump
]
Choose whether the data on the screen scrolls smoothly or “jumps” to
accommodate data at the rate it is received. Select the number of scan lines
per second the page scrolls up when smooth scroll is selected. Smooth 1 is
the slowest rate and Smooth 8 is the fastest.
Refresh Rate:
[60 Hz,
71 Hz
, 82 Hz, 100 Hz]
Select the rate (number of times per second) at which the image on your
terminal’s display is updated. This selection is only available in 26 line
display mode.
Overscan Borders
: [
On
, Off]
Choose whether the overscan borders are active. The borders extend video
from one edge of the screen to the next. (To see the borders, select
reverse
for Screen Video.)
Viewports: [1
2 3
]
Select number of viewports (up to 3 viewports can be selected on a page).
Viewport 1 Bottom Row
[
10
]
1 through page length minus 1. This specifies the last row number of the
first viewport.
This parameter displays in Setup when number of viewports is
greater than 1.