Tektronix OA 5000 *OPC, *PSC

Commands

OA 5000 Series User Manual 3 --- 2 7

NOTE

The*LRN? query always returns a string with commandheaders,

regardless of the setting of the HEADER command. This is because

thereturnedstringisintendedtobeabletobesentbacktothe

OA 5000 as a command string. The VERBOSE command can still

be used normally to speci fy whether the returned headers sho uld

be abbreviated or full length.

*LRN?

might return the string:

:REFERENCE 0.00;:WAVELENGTH 1300;:ATTENUATION:DB

0.00;:DISPLAY DB;:DISABLE 0;:STORE1 0.00;:STORE2 0.00

*OPC

The *OPC (OperationComplete) command generates the operation com-

plete message in the Standard Event Status Register (SESR) when all

pending operationsfinish. The *OPC? query places the ASCII character “1”

into the Output Queuew hen allpending operations are finished. The *OPC?

response is not availableto read until all pending operations finish. For a

complete discussionof the use of these registers and the output queue, see

page 3---35.

*WAI, ADJusting?

*OPC

*OPC?

*OPC

?

*PSC

The *PSC (Power-OnStatus Clear) command sets and queries the power-on

status flag that controlsthe automatic power-on handling of the DESER,

SRER, and ESER registers. When PSC is TRUE, the DESER register is set to

255 and the SRER and ESER registers are set to 0 at power-on.When PSC

is FALSE,the current values in the DESER, SRER, and ESER registers are

preserved in non-volatilememory when power is shut off and restored at

power-on. For a complete discussion of the use of thes e registers, see

page 3---35.

Examples:

Related Commands:

Syntax:

Contents

Main Page WARRANTY Page ECDeclarationofConformity Page Welcome Page Contents A Quick Tour User Reference Programming Appendices Page List of Figures List of Tables Safety Symbols and Terms Specific Precautions Page Page Page Page Installation CAUTION Removing the OA 5000 A Quick Tour Preset the OA 5000 Storing and Recalling Settings Setting a Reference Value Settings at Power Up Page Page Operator Overview The User Reference Section Operator Overview 2 --- 2 Figure 2-1: OA 5002 Front Panel User Reference Enabling/Disabling Attenuation WARNING Page Setting Attenuation Levels Specifying the Wavele ngth Setting the Attenuation Level Page Page Setting the GPIB Address Page Setting the Reference Level Measuring Insertion Loss Approximating Signal Power Page Storing and Recalling Attenuation Levels Page Page Page Setting Up the Instrument Controllers Using the GPIB Interface GPIB Requirements Setting the GPIB Address Page Command Syntax Clearing the OA 5000 ATT:DB 10 Command and Query Structure Commands Queries Headers in QueryResponses Command Entry Abbreviating Commands Concatenating Commands Message Terminators Argument Types Block Arguments Numeric Arguments Syntax Diagrams Page Commands Common Commands and Queries Device Commands and Queries ADJusting? (Query Only) ALLev? (Query Only) Page BLRN *CAL? (Query Only) *CLS (No Query Form) DESE DISable DISPlay *ESE *ESR? (Query Only) EVEnt? (Query Only) EVMSG? (Query Only) EVQty? (Query Only) FACTORY (No Query Form) HEADer *IDN? (Query Only) *LRN?orSET? *OPC *PSC RECall (No Query Form) REFerence *RST (No Query Form) *SRE *STB? (Query Only) STORe (Store Attenuation) *TST? (Query Only) VERBOSE *WAI (No Query Form) WAVelength Status and Events Registers Status Registers The Standard Event Status Register (SESR) The Status Byte Register (SBR) Enable Registers The Device Event Status Enable Register (DESER) The Event Status Enable Register (ESER) The Service Request Enable Register (SRER) The Enable Registers and the *PSC Command The Output Queue The Event Queue Queues Event Handling Sequence Status and Events Conflicts 3 --- 4 0 Programming Messages Page Page Page Page Page Appendix A: Accessories Standard Accessories Optional Accessories Page Appendix B: Specifications Page Page Page Appendix C: Interface Specifications Interface Messages Page GPIB Function Subsets Page Appendix D: Using the *OPC Query/Command Page Appendix E: Packing for Shipment Page Appendix F: Maintenance Cleaning the Optical Ports Page Changing the Optical Port Connectors Page Page Page Appendix G: Product Verification Equipment List Power Up Display Modes GPIB Address Setting Attenuation Range Shutter Attenuation and the DISABLE button 1310 nm: Page 1550 nm: 850 nm (except OA 5002): Page Appendix H: Replaceable Parts Item Names Parts Ordering Information Using the Replaceable Parts List Indentation System Abbreviations Page AppendixH: Replaceable Parts A --- 3 4 Appendices CROSS INDEX --- MFR. CODE NUMBER TO MANUFACTURER AppendixH: Replaceable Parts OA 5000 Series User Manual A --- 3 5 Page Page Page Index A B C D E F G H N O P Q R T U V W