Datapath VQS-01 - Manual (Page 12)

12 24/02/2011
Operating Instructions
VGA Analog Input Mode
When the VQS-01 is powered up successfully and the LED indicator “A” is illuminated. This
indicates that an analog VGA input mode has been selected.
If none of the LED indicators are on, check to ensure all cables are correctly fitted to the
appropriate sockets.
Once the LED indicator is illuminated, the VQS-01 will display the VGA video source across
all four screens in a 2 x 2 format as illustrated in the Introduction
When using a VGA analog source it may be necessary to make minor adjustments to the
picture to enhance position and quality. These adjustments are saved on a per-input mode
basis, see page 19 for a list of supported input resolutions/refresh rates.
To make adjustments, press the Select button located on the front panel until the mode you
require is displayed on the LED. The LED display will indicate which picture adjustment has
been selected as follows.
Sample Clock Adjustment
Using the + and - buttons the sample
clock can be adjusted
Clock Phase Adjustment
Using the + and - buttons the Clock
Phase can be adjusted
Horizontal Position Adjustment
Using the + and - buttons the
horizontal position can be adjusted.
i.e. the display can be moved left and
right.
Vertical Position Adjustment
Using the + and - buttons the vertical
position can be adjusted. i.e. the
display can be moved up and down
Brightness
Using the + and - buttons the image
brightness can be adjusted