Table of Contents
Advertisement
HRAT
Class
Description
Command syntax
Query syntax
Query response
Other required
commands
Example
882 Video Test Instrument User Guide (Rev A.35)
Horizontal RATe
Format parameter setting - Video resolution
Sets the line frequency. Pixel rate is equal to HTOT multiplied by HRAT. Frame rate is
equal to HRAT divided by VTOT. Field rate is equal to SCAN multiplied by the frame rate.
The HRAT? query returns the current horizontal frequency setting.
HRAT frequency
frequency
typical min = 1000 Hz (floating point accepted)
typical max = 130000 Hz (floating point accepted)
HRAT?
frequency in Hz (floating point returned)
The
FMTU
command instructs the generator to use the new settings. The
updates the hardware to the new settings and redraws the test image.
HRAT 32768
// Set 32.768 kHz rate in buffer
FMTU
// Update hardware to current buffer contents
or
HRAT 32.768E3
// Set a 32.768 kHz rate
FMTU
// Update hardware to current buffer contents
ALLU
command
687
Advertisement
Table of Contents
