Leds, Leds? led status – Quantum Data 802BT User Manual

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Appendix A Command Reference

LEDS?

LED Status

Class

System parameter settings

Description

Returns the current status of the generator's signal generating hardware as a single

decimal number. The number corresponds to the status of the lighted key on the generator

in normal operation. The easiest way to interpret the number is to first convert it to an

8-digit binary number. A 1 in a given position, from MSB to LSB, corresponds to the

following hardware settings:

Master output control gated ON

(MSB)

Digital Separate (HS&VS) Sync selected

Digital Composite Sync selected

Analog Composite Sync selected

Blue video enabled

Green video enabled

Red video enabled

Alternate image version selected

(LSB)

Query syntax

LEDS?

Query response

decimal number from 0 to 255

Example

LEDS?
// Returns the following number when the outputs are gated ON, separate
// HS & VS is selected, the red, green and blue video channels are
// enabled and the primary version of an image is selected.

206 // Binary equivalent = 11001110

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