NVIDIA FX1300 User Guide - Page 156

Advanced Timing Parameters, Advanced, Timing, Parameter, Description

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Chapter 7 Configuring Key ForceWare Graphics Driver Features 4 To remove the custom settings you selected, click Remove. Table 7.1 Advanced Timing Parameters Advanced Timing Parameter Description The Horizontal pixel group box contains horizontal advanced timing settings. Sync width Front porch Back porch Horizontal sync polarity Scan rate Active pixels Click the list to specify the width of the horizontal blanking period during which the synchronization pulse triggers horizontal re-scanning. Click the up or down arrow to specify the horizontal blanking period that occurs between the end of the active period and the beginning of the synchronization pulse. Click the up or down arrow to specify the blanking period that occurs between the end of the synchronization pulse and the next active period. Click the up or down arrow to specify the direction of rapid, transient change in the amplitude of a signal from the baseline during the horizontal synchronization pulse. If the horizontal synchronization polarity is positive (+), the value of the horizontal synchronization pulse is higher than the baseline value. If the horizontal synchronization polarity is negative (-), the value of the horizontal synchronization pulse is lower than the baseline value. Note: You can select the horizontal synchronization polarity independently of the vertical synchronization polarity. Scan rate indicates the measure of how many scan lines a monitor can display in one second, expressed in kHz (generally somewhere between 20 and 180 kHz). Note: In the case of an analog display (CRT) it is limited by the speed at which the display can move the electron beam horizontally across the screen and then return it to the beginning of the next line. Note: This value should not exceed the display's maximum horizontal scan frequency. Indicates the number of all visible pixels in one horizontal line. The Vertical lines group box contains vertical advanced timing settings. Sync width Front porch Back porch Vertical sync polarity Click the up or down arrow to specify the blanking period during which the synchronization pulse is active. Click the up or down arrow to specify the vertical blanking period that occurs between the end of the active period and the beginning of the synchronization pulse. Click the up or down arrow to specify the blanking period that occurs between the end of the synchronization pulse and the next active period. Click the up or down arrow to specify the direction of rapid, transient change in the amplitude of a signal from a baseline during the vertical synchronization pulse. If the vertical synchronization polarity value is positive (+), the value of the vertical synchronization pulse is higher than the baseline value. If the vertical synchronization polarity value is negative (-), the value of the vertical synchronization pulse is lower than the baseline value. Note: You can select the vertical synchronization polarity independently of the horizontal synchronization polarity. 145 Quadro Workstation User's Guide

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145
Quadro Workstation User’s Guide
Chapter 7
Configuring Key ForceWare Graphics Driver Features
4
To remove the custom settings you selected, click
Remove
.
Table 7.1
Advanced Timing Parameters
Advanced
Timing
Parameter
Description
The
Horizontal pixel
group box contains horizontal advanced timing settings.
Sync width
Click the list to specify the width of the horizontal blanking period during which the
synchronization pulse triggers horizontal re-scanning.
Front porch
Click the up or down arrow to specify the horizontal blanking period that occurs
between the end of the active period and the beginning of the synchronization pulse.
Back porch
Click the up or down arrow to specify the blanking period that occurs between the
end of the synchronization pulse and the next active period.
Horizontal
sync polarity
Click the up or down arrow to specify the direction of rapid, transient change in the
amplitude of a signal from the baseline during the horizontal synchronization pulse.
If the horizontal synchronization polarity is positive (+), the value of the horizontal
synchronization pulse is higher than the baseline value.
If the horizontal synchronization polarity is negative (-), the value of the horizontal
synchronization pulse is lower than the baseline value.
Note:
You can select the horizontal synchronization polarity independently of the
vertical synchronization polarity.
Scan rate
Scan rate indicates the measure of how many scan lines a monitor can display in one
second, expressed in kHz (generally somewhere between 20 and 180 kHz).
Note:
In the case of an analog display (CRT) it is limited by the speed at which the
display can move the electron beam horizontally across the screen and then return it
to the beginning of the next line.
Note:
This value should not exceed the display's maximum horizontal scan
frequency.
Active pixels
Indicates the number of all visible pixels in one horizontal line.
The
Vertical lines
group box contains vertical advanced timing settings.
Sync width
Click the up or down arrow to specify the blanking period during which the
synchronization pulse is active.
Front porch
Click the up or down arrow to specify the vertical blanking period that occurs
between the end of the active period and the beginning of the synchronization pulse.
Back porch
Click the up or down arrow to specify the blanking period that occurs between the
end of the synchronization pulse and the next active period.
Vertical sync
polarity
Click the up or down arrow to specify the direction of rapid, transient change in the
amplitude of a signal from a baseline during the vertical synchronization pulse.
If the vertical synchronization polarity value is positive (+), the value of the vertical
synchronization pulse is higher than the baseline value.
If the vertical synchronization polarity value is negative (-), the value of the vertical
synchronization pulse is lower than the baseline value.
Note:
You can select the vertical synchronization polarity independently of the
horizontal synchronization polarity.