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Remote control commands and queries, Status – Teledyne LeCroy X-STREAM OSCILLOSCOPES Remote Control User Manual

Page 131

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Remote Control Commands and Queries

WM-RCM-E Rev D

ISSUED: February 2005

125

STATUS

DDR?

Query

DESCRIPTION

The DDR? query reads and clears the contents of the Device
Dependent or device specific error Register (DDR). In the case of

a hardware failure, the DDR register specifies the origin of the
failure. The following table gives details.

B

IT

B

IT

V

ALUE

D

ESCRIPTION

15...14

0

Reserved

13 8192

1

Timebase

hardware failure detected

12

4096

1

Trigger hardware failure detected

11

2048

1

Channel 4 hardware failure detected

10

1024

1

Channel 3 hardware failure detected

9

512

1

Channel 2 hardware failure detected

8

256

1

Channel 1 hardware failure detected

7 128

1

External

input

overload condition detected

6...4

0

Reserved

3

8

1

Channel 4 overload condition detected

2

4

1

Channel 3 overload condition detected

1

2

1

Channel 2 overload condition detected

0

1

1

Channel 1 overload condition detected

QUERY SYNTAX

DDR?

RESPONSE FORMAT

DDR

: = 0 to 65535