Quantum Data 881 User Manual page 946

VRES
Class
Description
Command syntax
Query syntax
Query response
Other required
commands
Example
568 Appendix A Command Reference
Vertical RESolution
Format parameter setting - Video resolution
Establishes the number of active lines per frame. The VRES? query returns the current
setting of VRES.
VRES lines
lines
min =
• 1 (when SCAN = 1) or
• 2 (when SCAN = 2)
max = the lesser of
• VTOT-1 (when SCAN = 1) or
• VTOT-3 (when SCAN = 2)
Must be an even number when SCAN = 2.
VRES?
lines
The ALLU command updates hardware to the new setting and redraws the test image.
VRES 480 // Set 480 active lines in buffer
ALLU // Configure hardware and redraw image