Quantum Data 801GC User Manual

Page 265

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6-139

HTOT

Horizontal TOTal pixels per line

Classification:

Format parameter setting

Command Syntax:

HTOT <pixels>

Limits:

<pixels>

min

801GP = 2
801GC, GF, GX = 144
801GC-ISA, GF-ISA = 144

max

801GP = 2048
801GC, GX = 4096
801GC-ISA = 4096
801GF, 801GF-ISA = 65,536

Query Syntax:

HTOT?

Query Response:

<pixels>

Description:

The HTOT command establishes the total number of pixels per

horizontal line. The HTOT? query returns the current setting of
HTOT.

The pixel rate is equal to the product of HRAT multiplied by
HTOT.

Note – The current version of the firmware does not allow you
to directly enter a specific pixel rate when setting up a format.
If your test specifications call for a specific pixel or dot clock
rate, enter suitable values for HRAT and HTOT to give you
the desired pixel rate.

Other Required Cmds:

The FMTU command instructs the generator to use the new

setting. The ALLU command updates hardware to the new setting
and redraws the test image.

Example:

H T O T 8 0 0 / / S e t t o t a l t o 8 0 0
F M T U / / U p d a t e h a r d w a r e t o c u r r e n t

/ / b u f f e r c o n t e n t s

*IDN

IDeNtification

Classification:

Miscellaneous system parameter

Command Syntax:

None

Query Syntax:

*IDN?

Query Response:

QuantumData,801GX,0,<firmware version #>

Description:

The *IDN? query returns an equipment identification string
formatted per IEEE-488.2 standards.

Other Required Cmds:

None

Example:

* I D N ? / / R e t u r n i n f o r m a t i o n a b o u t
/ / g e n e r a t o r

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