VISTEK V1667, V1667/SY & V1667/SY-VHS
12-bit pal/ntsc to sdi adaptive
comb filter decoder
16
Issue 3
8.
APPENDIX
8.1
On Board Adjustable Components
Circuit Reference
Description
VR1
Syncs to picture timing alignment.
VR2
625/525 line standard discrimination.
VR3
Luminance gain alignment:- 525 input
VR4
Luminance gain alignment:- 625 input
Note: The table above is included for information only. Users are strongly advised not to adjust these
components, as to do so may mis-align the related function.
Location of on-board adjustable components
VR1
VR2
VR3
VR4
Front
Panel
Edge
Connector
8.2
On Board Switches
Switch
Position
Description
SW5-1
ON
Not used
OFF
SW5-2
ON
Not used
OFF
SW5-3
ON
Modified adaption algorithm.
OFF
Standard adaption algorithm:- normal position.
SW5-4
ON
Not used
OFF
