SR850 DSP Lock-In Amplifier

INTERFACE

page

description

*RST

6-26

Reset the unit to its default configurations.

*IDN?

6-26

Read the SR850 device identification string.

LOCL(?) {i}

6-26

Set (Query) the Local/Remote state to LOCAL (0), REMOTE (1), or LOCAL LOCKOUT (2).

OVRM (?) {i}

6-26

Set (Query) the GPIB Overide Remote state to Off (0) or On (1).

TRIG

6-26

Software trigger command. Same as trigger input.

STATUS

page

description

*CLS

6-27

Clear all status bytes.

*ESE (?) {i} {,j}

6-27

Set (Query) the Standard Event Status Byte Enable Register to the decimal value i (0-255).

*ESR? {i}

6-27

*ESE i,j sets bit i (0-7) to j (0 or 1). *ESE? queries the byte. *ESE?i queries only bit i.

Query the Standard Event Status Byte. If i is included, only bit i is queried.

*SRE (?) {i} {,j}

6-27

Set (Query) the Serial Poll Enable Register to the decimal value i (0-255). *SRE i,j sets bit i (0-

*STB? {i}

6-27

7) to j (0 or 1). *SRE? queries the byte, *SRE?i queries only bit i.

Query the Serial Poll Status Byte. If i is included, only bit i is queried.

*PSC (?) {i}

6-27

Set (Query) the Power On Status Clear bit to Set (1) or Clear (0).

ERRE (?) {i} {,j}

6-27

Set (Query) the Error Status Enable Register to the decimal value i (0-255). ERRE i,j sets bit i

ERRS? {i}

6-27

(0-7) to j (0 or 1). ERRE? queries the byte, ERRE?i queries only bit i.

Query the Error Status Byte. If i is included, only bit i is queried.

LIAE (?) {i} {,j}

6-27

Set (Query) the LIA Status Enable Register to the decimal value i (0-255). LIAE i,j sets

LIAS? {i}

6-27

bit i (0-7) to j (0 or 1). LIAE? queries the byte, LIAE?i queries only bit i.

Query the LIA Status Byte. If i is included, only bit i is queried.

STATUS BYTE DEFINITIONS

SERIAL POLL STATUS BYTE (6-28)

LIA STATUS BYTE

(6-29)

bit

name

usage

bit

name

usage

0

SCN

No data is being acquired

0

RESRV

Set when a RESRV overload is detected

1

IFC

No command execution in progress

1

FILTR

Set when a FILTR overload is detected

2

ERR

Unmasked bit in error status byte set

2

OUTPT

Set when a OUTPT overload is detected

3

LIA

Unmasked bit in LIA status byte set

3

UNLK

Set when reference unlock is detected

4

MAV

The interface output buffer is non-empty

4

RANGE

Set when detection freq crosses 200 Hz

5

ESB

Unmasked bit in standard status byte set

5

TC

Set when time constant is changed

6

SRQ

SRQ (service request) has occurred

6

TRIG

Set when unit is triggered

7

Unused

 

7

PLOT

Set when a plot is completed

STANDARD EVENT STATUS BYTE (6-29)

ERROR STATUS BYTE (6-30)

bit

name

usage

bit

name

usage

0

INP

Set on input queue overflow

0

Prn/Plt Err

Set when an printing or plotting error occurs

1

Unused

Set on output queue overflow

1

Backup Error

Set when battery backup fails

2

QRY

2

RAM Error

Set when RAM Memory test finds an error

3

Unused

Set when command execution error occurs

3

Disk Error

Set when a disk error occurs

4

EXE

4

ROM Error

Set when ROM Memory test finds an error

5

CMD

Set when an illegal command is received

5

GPIB Error

Set when GPIB binary data transfer aborts

6

URQ

Set by any key press or knob rotation

6

DSP Error

Set when DSP test finds an error

7

PON

Set by power-on

7

Math Error

Set when an internal math error occurs

1-10

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SRS Labs SR850 Status Byte Definitions, Interface, Serial Poll Status Byte, Standard Event Status Byte Error Status Byte
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SR850 specifications

The SRS Labs SR850 is a high-performance audio processor designed to enhance the listening experience across a variety of applications. With its advanced technologies, the SR850 delivers superior sound quality that is particularly noticeable in environments where audio clarity and fidelity are paramount. This device caters to audio professionals, audiophiles, and casual listeners who demand exceptional performance from their audio systems.

One of the standout features of the SR850 is its proprietary SRS 3D Audio technology. This innovative feature creates a more immersive soundstage, allowing users to experience audio as if they were in a live performance setting. By adding depth and dimension, it elevates the listening experience, making music, movies, and games far more engaging.

Additionally, the SR850 incorporates SRS dialog clarity technology, which enhances speech intelligibility in dialogues and vocals. This is particularly beneficial in film and television viewing, where dialogue can sometimes be drowned out by background music or sound effects. With dialog clarity, users can enjoy crystal-clear conversation tracks without adjusting volume levels continuously.

The device also supports various audio formats, ensuring compatibility with a broad range of media. It boasts inputs for both digital and analog sources, allowing connections to various devices such as TVs, laptops, gaming consoles, and more. The versatility of inputs makes the SR850 a convenient addition to any home entertainment system.

Another impressive characteristic of the SR850 is its compact and user-friendly design. The intuitive interface makes it easy for users to adjust settings to their preference, whether they are a novice or an audio expert. The device is equipped with programmable presets, enabling users to store their favorite sound profiles, making switching between settings quick and hassle-free.

Furthermore, the SR850 features advanced EQ capabilities, granting users the ability to tailor the audio output to their specific tastes. This personalized approach to sound adjustment enhances the overall experience, allowing users to get the most out of their audio content.

In summary, the SRS Labs SR850 is a sophisticated audio processor packed with features designed to significantly uplift sound quality and listening pleasure. With its cutting-edge technologies such as SRS 3D Audio and dialog clarity, an array of connectivity options, and customizable EQ settings, the SR850 stands out as an outstanding option for anyone looking to enhance their audio experience. Whether for professional use in sound engineering or personal enjoyment in home entertainment, the SR850 proves to be a valuable asset.
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