IBM AC453A User Manual

This chapter describes the menu
items supported by Computertop
TV-III Board.

hides or

redisplays the remote control
window.

clears the whole video buffer

to black.

can be set to on or off.

If ON, the TV window is always
displayed on top of other windows
on the screen. If OFF, the TV
window behaves like any other
window and can be obscured by
other windows.

brings up the Configure

dialog box which lets you set the
following:

Video port address

Video buffer address

Replicate on/off

We recommend that you do not
change these settings.

This option brings up the Color
dialog box with seven scroll bars to
control Brightness, Contrast,
Tint_(Hue), Color (saturation), Red
Level, Green Level, and Blue Level.

Changes in the brightness level of
the video are reflected with a row of
vertical bars at the bottom left
corner of the TV screen. The word
Brightness 

is displayed above the row

of bars. The brightness can be
adjusted three ways:

Use the Brightness button on the

remote. Pressing the top of the
button increases the brightness
and pressing the bottom
decreases the brightness. 

Use the B and Control-B key

combinations on the keyboard
to decrease and increase the
brightness, respectively. 

Select the Colors option from

the floating menu or from the
Configure

menu in the menu

bar. This brings up the Colors
dialog box with scroll bars for
color adjustments. A Brightness
scroll bar lets you adjust the
brightness level.

4. Operation