Quantum Data 801GF Especificaciones descargar pdf (Pagina 34)

Page 34 Model 801GC-ISA & 801GF-ISA Programming Manual

VSPW <lines>

Limits: <lines> =

Description: The VSPW command establish the width of the vertical sync pulse in lines. If the type

specified for the selected sync signal (see SSST, ASCT, DSCT, or DSST commands) is one of

the CCIR types, then the actual sync pulse width output by the generator will be 1/2 line

shorter than the whole number specified. The VSPW? query returns the current setting of

VSPW.

VTOT <lines>

Limits: <lines>

min = 2

max = 65535

Must be an odd number when SCAN = 2

Description: The VTOT command establishes the total number of lines per frame. When interlacing

(SCAN=2), VTOT must be odd. The VTOT? query returns the current setting of VTOT.

The frame or picture refresh rate is equal to the quotient of: HRAT divided by VTOT.

The field or vertical rate is equal to the frame rate when SCAN = 1 (non-interlaced

operation).

The field or vertical rate is equal to twice the frame rate when SCAN = 2 (non-interlaced

operation).

❖ The current version of the firmware does not allow you to directly enter a specific field

or frame rate when setting up a format. If your test specifications call for a specific field,

frame or vertical refresh rate, enter suitable values for HRAT, SCAN and VTOT to give

you the desired rate.

XVSG <red mode>, <green mode>, <blue mode>

Limits: <all modes>

0 = OFF

1 = ON

Description: The XVSG command determines which video outputs will be active when the format is

selected. The same command controls both the analog and digital video outputs.

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Quantum Data 801GF Especificaciones Pagina 34