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Service Guide 1-5
1.3.1 Video Display Features
The Extensa 67x Series Notebooks contain large screen internal LCD displays and can
simultaneously drive an external CRT (SimulSCANTM mode). On all Extensa models, the LCD
screen brightness, contrast, video mode of operation, etc. are adjustable from the keyboard as
described in Paragraph 1.2.2.3.
1.3.1.1 Internal LCD
The Extensa 67x Series Notebooks contain one of the following LCDs (model dependent):
• 12.1-Inch DSTN display
• 12.1-Inch TFT display
1.3.1.2 External CRTs
The Extensa 67x Series Notebooks are equipped with a 15-pin SVGA connector that can drive an
external CRT (either alone or simultaneously with the internal LCD).
When the notebook is set to the SimulSCAN mode, a minimum resolution of 800 x 600 x 256 colors
is supported. When operating in the External CRT Mode, resolutions up to 1280 x 1024 x 256 colors
are supported.
1.3.1.3 Display Hot Key Sequences
The display mode of operation (LCD only, Simultaneous LCD and external CRT and external CRT
only modes) is keyboard-selectable using the following hot key sequences.
• Fn-Up Arrow and Fn-Down Arrow - control LCD screen brightness (higher brightness setting
uses more battery energy)
• Fn-Right Arrow - lightens the LCD screen contrast
• Fn-Left Arrow - darkens the LCD screen contrast
• Fn-F12 - alternates between display modes (LCD, External CRT or both)
• Fn-F11 - turns off the LCD backlight; pressing any key turns the LCD backlight on.
Note: In addition to the hot keys that control the notebook display functions, there are several
other hot key functions that control other notebook functions such as turning the
Touchpad on/off, etc. For these sequences, refer to Chapter 3.
1.3.2 Software Features
As a standard feature, the Extensa 67x notebooks are factory loaded with Windows 95, Windows
NT or Windows for Workgroups software to allow the user to configure the notebook’s operating
system environment as summarized in Table 1-2.