Agilent 71450B Data Sheet

Quick Reference

HP 71450B/1B/2B Optical

Spectrum Analyzers

ABCDE

Printed in USA

HP Part No. 70950-90052

Edition 1

Printed in USA June 1995

1400 FountaingroveParkway,

Santa Rosa, CA

95403-1799, USA

Notice.

The information contained in this document is subject to

change without notice. Hewlett-Packard makes no warrantyofany

kind with regard to this material, including but not limited to, the

particular

a

implied w

purpose.

herein or

arranties

Hewlett-Pac

for inciden

the furnishing,

ARS

(c)

of

(2)

at

Righ

t

the

252.227-7013

of

AR

F

Restricted

ernmen

v

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(ii)

(1)

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at

and

clause

of merc

tal

performance,

Legend.

ts

ject

sub

is

in

ts

Righ

Commercial

the

52.227-19

han

kard

consequen

or

restrictions

to

ec

T

for

tabilit

shall

or

Use,

hnical

DOD

Computer

other

and

y

liable

e

b

not

damages

tial

this

of

use

duplication,

set forth

as

Data and

agencies,

agencies.

tness

Soft

for

errors

for

in

material.

disclosure

or

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Computer

subparagraphs

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tained

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Copyright Hewlett-P

All Righ

ts Reserv

ackard Company 1995

ed. Reproduction, adaptation, or translation without

prior written permission is prohibited, except as allo

copyrightlaws.

wed under the

iii

Contents

1. Menu Maps

MenuMaps ...... ...... ..... .. 1-2

Amptd Menu................... 1-3

Swp Men

BW,

er Men

Mark

Men

Misc

Men

State

Men

races

T

eln

v

a

W

USER

5

Men

2.

4

Optical

u

Men

ectrum

Sp

u.

.

u

u's

u.

..

.

DFB

FP

LED

PDL

.

..

.

anced

Adv

anced

Adv

anced

Adv

anced

Adv

Analyzer

.

..

.

..

.

..

Measuremen

unctions

F

.

..

.

t

.

Program

t

Program

t

Program

t

1-4

.

1-5

.

1-6

.

1-8

.

1-10

.

1-11

.

1-12

.

1-13

.

1-14

.

1-15

.

Con

Commands

tions

en

v

tions .

en

v

..

.

Programming

3.

Notation

tax

Syn

Functional Index .. ...... ..... .... 3-6

Programming Commands ...... ..... .. 3-18

4. Error Messages

User Application Errors (0001 { 0999) . . . . . . . . 4-2

.

..

.

2999)

{

arning

W

Brok

en

(2000

Errors

(6000

(7000

..

.

6999)

{

.

{

7999)

.

..... ....

..... ..

..... ....

.

..

.

erating

Op

Hardw

Errors

are-

Computation Errors (8000 { 8999)

Factory-Use Only Errors (9000 { 9999)

Warning Messages (16001 { 16012)

Contents-1

3-2

.

3-3

.

4-3

.

4-12

.

4-13

.

4-16

4-17

4-18

Menu Maps

1

Menu

Maps 1-1

Menu Maps

The menu maps that are in this guide graphically represent the

softkey menus that are located under the

Maps for each left-side softkey are shown in alphab etical order. Menu

maps contain the following features:

4

MENU

5

and the

4

USER

5

keys.

1-2

Menu Maps

Amptd Menu

Menu Maps

Menu

Maps 1-3

BW, Swp Menu

1-4

Menu Maps

Marker Menu

Menu

Maps 1-5

Misc Menu

1-6

Menu Maps

Misc menu (cont'd)

Misc Menu

Menu

Maps 1-7

State Menu

1-8

Menu Maps

State menu (cont'd)

State Menu

Menu

Maps 1-9

Traces Menu

1-10

Menu Maps

Waveln Menu

Menu

Maps 1-11

4

5

USER

Menu's DFB Advanced Measurement

Program

1-12

Menu Maps

4

5

USER

Menu's FP Advanced Measurement

Program

Menu

Maps 1-13

4

5

USER

Menu's LED Advanced Measurement

Program

1-14

Menu Maps

4

5

USER

Menu's PDL Advanced Measurement

Program

This program is available on HP 71451B (HP 70951B) instruments as

Option 003.

Menu

Maps 1-15

2

Optical Spectrum Analyzer Functions

This chapter contains an alphabetical listing of all optical spectrum

analyzer softkeys, hardkeys, front-panel indicator lights, and front- and

rear-panel input and output connectors. A brief description has been

same)

enc

displa

alues.

men

programming

function

the

to

refer

.

e

DELTA

u's

has

vided for

pro

command

been

also

more

or

F

71450B/1B/2B

HP

kspaces

Bac

4j5

men

ey

softk

4

4g5

415

Increases

5

f

(custom-k

h

eac

erforms the

that p

provided.

detailed

the

us.

eypad

listed.

item

information

al

Optic

cursor

or

while

decreases

Activ

ey)

k

same

Sp

If

on

ctrum

e

activ

ates

applicable,

nearly

(or

eys or

softk

Analyzer

text

tering

en

parameter

e

Marker

the

hardkeys,

Refer

or

v

function.

1/T

Congures marker readouts to showmarker position as the

inverse of the marker sweep-time position.

3-DIMENfOnfOff

Views the 3-dimensional display. Related

command: THREED

t

oin

p

A

trace

from

B

A-B

results

A+B

Subtracts

Adds trace

f%

A

stores

f%

A

f

-

the

f

-

results in trace A. Related command:

Af%-f(A-B)-C

stores the results in trace A. Related command: AMBMC

then

trace

trace A.

in

A

trace

command:

oin

p

B

AMB

oint,

p

y

b

t

APB

Subtracts both trace B and trace C from trace A,

Optical

Spectrum Analyzer

y

b

oint,

p

then

Functions

then

stores

the

2-1

Af%-fA-B+DL

Subtracts trace B from trace A pointby point, adds

the value of the display line, then stores the results in trace A. Related

command: AMBPL

Af%-fA-C

Subtracts trace C from trace A pointbypoint, then

stores the results in trace A. Related command: AMC

Af%-fA-C+DL

Subtracts trace C from trace A pointby point, adds

the value of the display line, then stores the results in trace A. Related

command: AMCPL

Af%-fA*DL/(A+B)

Divides the displaylineby the sum of traces

A and B and then multiplys the result by trace A. Related command:

ADAPBTL

of

sum

the

y

b

line

y

displa

ultiplys

A

results

oth

b

The

line.

A

results

the

the displa

by

are

trace

results

the

y

b

are

sum

result

stored in

B

displa

stored

traces

of

trace

y

b

line

y

trace

and trace

are stored

line

y

trace

in

and

A

alue,

v

alue,

v

A.

C

in

A.

from

A.

B

trace

then

the

y

b

A.

A*DL

-

f

A

f%

traces A,

B, and

command: AD

A*DL/B

f

-

f%

A

result

divides

trace

divides

the

command:

(A-B)-C+DL

f

-

f%

then

A,

command:

A*DL/C

f

-

f%

the

command:

f

DL*(A+B)/C

f%

-

result

/(A+B+C)

f

Cand

APBPCTL

Multiplies

trace

y

b

ADBTL

the

adds

AMBMCPL

Multiplies

trace

y

b

ADCTL

Divides

m

then

trace

The

B.

Subtracts

y

displa

trace

The

C.

Multiplies the

display line. Then, this result is divided by trace C. The nal results

are stored in trace A. Related command: APBDCTL

AfMETERfOnfOff

Displays the power level of the trace point

currently being measured at the optical sp ectrum analyzer's input.

AMETER

Selects the

UNITS

amplitude

the

for

units

y

displa

tents of trace A and trace B registers.

UNITS

f

command:

AutoMan

f

scale. Related command: A

AfXCHfB

Exchanges the con

Related command: AXB

C

AfXCH

Exchanges the con

f

Related command: AX

Optical Spectrum

2-2

C

Analyzer

tents of trace A and trace C registers.

Functions

ACT Front-panel indicator light that turns on whenever the optical

spectrum analyzer is b eing displayed.

ACTIVEfMARKER

adcfsync

Presents a menu for synchronizing an external signal

Selects the active marker.

with pulse modulation capability with the optical spectrum analyzer's

analog-to-digital converter.

ADC SYNC OUT

Rear-panel output connector that allo ws the user

to synchronize an event, external to the instrument to the instrument

data acquisition.

adcftrigger

spectrum

analyzer to

Presents a menu for synchronizing the optical

pulsed

a

ligh

source.

t

ADCTRG

amplitudes

ADCTRIG

measured on

result

the

of

ADCTR

G

ADCTRIG

(ADC)

erter

v

con

ADCTR

GDL

ADCTRIG

command:

ADCTRIG

command:

AC

Selects

f

opposite

ecomes

b

C

A

DELAY

f

after

Y

FREE

f

ADCTR

NEGEDGE

f

ADCTR

external

edges

trace

the

ys

Dela

trigger

the

Selects

FREE

G

Selects

NEGEDGE

G

are

amplitude

external

ternal

in

external

triggering.

ADC

subtracted

triggering

ADC

and

value.

The

absolute

the

Related command:

analog-to-digital

the

of

command:

the

of

triggering.

alue

ADCTRIGfPOSEDGE

Selects external ADC triggering. Related

command: ADCTRG POSEDGE

ALIGNfPRESET

Returns alignment to factory default settings.

Related command: ALIGNPRST

OFFSET

f

REF

f

AMP

relativ

e-amplitude

oset

AMPCORf-&LOWER

Adjusts the

alue.

v

Copies amplitude-correction

displa

Related command:

limit-line table. Related command: COR

AMPCOR-&fUPPER

upper limit-line

Copies amplitude-correction v

table. Related command: COR

Optical

Spectrum Analyzer

amplitude

ed

y

TOLIM

OFFSET

R

values in

alues in

TOLIM

using

el,

lev

to a lo

to an

Functions

a

wer

2-3

AMPCORfOnfOff

Turns on and o the use of amplitude

corrections. Related command: AMPCOR

Amptd

Presents a menu of softkeys that control the optical spectrum

analyzer's sensitivity and amplitude scale.

AMPTDfVALUE

Enters the beginning amplitude value of the

currently selected limit-line segment. Related command: LIMIAMP

ANALOG OUT

Rear-panel output connector that provides a

voltage equal to the photocurrentinthediodemultiplied bythe

transimpedance value.

ANALYZRfTEST

Initiates a self-test routine. Related command:

TEST

ANOTATN

CHR

ANY

f

annotation

ed

y

displa

the

an

T

y

urns

ASCI

haracter

c

I

as

part

Off

On

f

ters

En

on

programming

a

of

o.

and

command.

mo

to

dify

MKR

f

AT

execute

on

command:

autmeas

automatic

Auto

4

A

alignmen

A

Determines

ALIGN

UTO

t

UTOALIGN

Off

f

On

f

unique

a

UTOMMKR

A

state

f

measuremen

(custom-k

5

routine

the

to

Allo

signal

Presen

routine.

t

v

eypad

ensure

the

ws

in

ts

alues

amplitude

automatic measuremen

environmen

ultiple

m

a

men

a

measured

ey)

k

signal

whic

u

y

b

Initiates

accuracy

allows

h

the

an

mark

.

t

to

ou

y

er.

automatic

command:

the

AUTOfALIGN

Initiates an automatic alignment routine to ensure

amplitude accuracy. Related command: AUTOALIGN

4

AUTO MEASURE

5

Initiates an automatic measurement routine that

searches for a signal and then centers and narrows the span around it.

UTOMEAS

command:

MEASURE

f

searches for a signal and then cen

Related command: A

AUTOfSCALE

amplitude of the displa

(PDL) measuremen

Optical Spectrum

2-4

A

Initiates

automatic

an

ters and narro

measurement

ws the span around it.

UTOMEAS

HP 71451B Option 003 only

Automatically scales the

yed signal during a p olarization dependen

t. Related command: PDLSCALE

Analyzer

Functions

routine

that

tloss

AUTOPTSfALIGN

Runs an automatic alignment routine for the

ber positioner's tracking table. Related command: ALIGN

AUTORNGfOnfOff

Turns automatic ranging on and o. Related

command: AUTORNG

AUTZEROfOnfOff

Turns o zeroing between traces. Related

command: AUTZERO

Bf%-fB-DL

Subtracts the value of the display line from trace B,

then stores the result in trace B. Related command: BML

BfXCHfC

Exchanges the contents of trace B and trace C registers.

Related command: BXC

BEEPER

signal has

that a

Off

On

f

urns

T

crossed a

displa

limit

ed

y

command:

alerting

for

alarm

an

o

and

on

LIMIBEEP

ed.

y

displa

eing

b

from

data

A

trace

ts

BLANK

A

f

command:

B

BLANK

f

command:

C

BLANK

f

command:

TRACES

f

or

Swp

BLANK

creation

BW,

bandwidth,

en

trace

ts

en

trace

ts

en

Presen

of

men

a

ts

editing

and triggering.

en

B

C

the

ts

lines.

for

u

data

from

displa

con

being

trace

of

y

command:

instrumen

displa

A,

ed.

y

ed.

y

and

B,

BLANK

sw

t

ou

y

C

eep,

Cf%-fB

calfmenu

Places contents of trace B into trace C.

Presents a menu for performing user calibrations at a set

wavelength and power level.

w

o

ts

ap

amen

CAL

cal

POWER

f

setup

f

erforms

P

Presen

wavelength for user calibrations.

CALfWAVELEN

Performs a w

wavelength and amplitude.

CALfWVL

ATfPIT

f

Performs a w

pit. Related command: CAL

a

w

set

a

ecifying

at

the

er

w

o

p

calibration

er

sp

for

u

elength calibration at a set

av

avelength calibration at a signal

Optical

Spectrum Analyzer

elength.

v

and

Functions

2-5

CALCf+fDISPLAY

HP 71451B Option 003 only

* Calculates

and displays the peak-to-peak polarization-dep endent loss. Related

command: PDLCALC

CALCffOnfOff

Turns the calculation of advanced-measurement

program results on and o.

CANCEL

catalogf&fMSI

Cancels the various memory-erase operations.

Displays the contents of the currently selected

user memory. Related command: CATALOG, DSPMODE CAT, and

MEM

4

CENTER

command: CENTER

CENTER

command: CENTER

CHANGE

are

CHOP

5

Species the wavelength displayed at center screen. Related

WL

ecies the

Sp

wa

elength

v

displa

screen.

ter

cen

at

ed

y

WL

les

to

hed

attac

prex

\c

hop"

the

command:

de on

mo

PREFX

o.

and

On

f

PREFIX

f

memory

in

Off

f

Changes

.

urns

T

they

when

command:

CHOP

end

the

CLEAR

data

the

CLEAR

obtained

CLEAR

obtained

END

f

TO

f

line.

A

f

WRT

f

scanning

from

B

f

WRT

f

from scanning

Deletes

Con

all

uously

tin

input

the

uously

tin

the input

haracters

c

dates

up

ectra.

sp

dates

up

spectra.

from

trace

with

A

with

B

to

data

new

command:

data

new

command:

CLR

W

of

CLEARfWRTfC

Continuously updates trace C with new data

obtained from scanning the input spectra. Related command: CLRW

CLOSESTfPEAK

Moves the active marker to the closest signal p eak.

Related command: MKPK CP

pit.

CLOSEST

COMMAND

v

Mo

PIT

f

MKPK

Accesses a men

es the

e

activ

CPIT

uforen

the

to

er

mark

tering, editing,

closest

and executing short

signal

programming routines.

CONFIG

module in the mo

the conguration of the optical spectrum analyzer

Shows

dular measurement system (MMS). Related

command: CONFIG and DSPMODE CONFIG

Optical Spectrum

2-6

Analyzer

Functions

CONFIRMfDELETE

DELETEfALL

has been pressed.

Erases the contents of the limit-line table after

CONFIRMfERASE

CONT

Resumes op eration of a halted program.

CONTfSWEEP

Erases memory.

Sweeps the measurement range when the trigger

conditions are met. Related command: CONTS

currentfsource

Option 001 only

Presents a menufor

controlling the pulsed current source.

CURRENT SOURCE

Rear-panel connector that utilizes the same

capability as the ADC SYNC OUT connector.

to

ter-w

amplitude

the

equal

elength

v

a

and activ

command:

relativ

els

softk

curren

e mark

t

Sets

the cen

CWL

-

&f

Related Command:

STEP

f

CWL

-

&

1

f

w

et

dierence

the

automatic

Selects

dBm

debug

DEBUG

command:

AutoMan

f

measuremen

amplitude

Accesses

FAST

f

command:

Starts

elength

v

a

w

ter

MKCWL

cen

the

Sets

reference

the

een

MKSS

Changes

routine.

t

in

units

program-debugging

the

debugging

AST

DEBUG

F

the

step

scale

to

e

functions.

ey

DLP

mark

size

w

er

used

UTOMDB

A

1mW.

a

at

w

er

equal

elengths.

v

a

y

b

fast

elength.

v

a

to

the

rate.

DEBUG

Off

Activates

f

ON

debugging

DEBUG

DEBUGfSLOW

Starts debugging the current DLP at a slow rate.

Related command: DEBUG SLOW

DEFINEfUSRfKEY

command:

DELETE

KEYDEF

ALL

f

Places softkeys in the user menu. Related

currently

y

Erases

an

command: LIMIDEL

DELETEfCHAR

DELETEfor...

Deletes the c

Displays the

haracter at the displa

DELETEfCHAR

characters from the text.

Optical

limit

of

loaded

DLPs.

yed cursor.

softkey for deleting

Spectrum Analyzer

command:

2-7

DELETEfSEGMENT

command: LIMISDEL

Erases the selected limit-line segment. Related

DELTA

Displays a delta marker relative to a reference marker.

Related command: MKD

DETECTRfExtfInt

Species the receive device to be either

optical or electrical thus selecting optical-to-optical testing or

optical-to-electrical testing. Related command: PDLDEV and

PDL DEV?

DFB

Turns on the DFB advanced-measurement program. Related

command: DFB

functions

4

DISPLA

Y

5

Presen

as: HP-MSIB

DISPOSE

f

u

men

ts a

addressing, comm

USER

Erases

con

for

unication, and

con

le

a

trolling

taining

system-lev

user-men

el

conguration.

softk

u

eys

memory.

distrib

menu

f

Displa

ys

a

men

u

for

selecting

statistical

distributions.

the

on

of

y

signal

trace.

displa

B.

trace

ailable

v

a

connectors.

DISTRIB

LIN

f

DSP

DUTY

the

f

CYCLE

f

rear-panel

command: IGENDTYCY

distribution

wer

o

p

a

ys

Displa

Off

f

On

f

horizontal

ositions

P

Off

f

On

f

a

line

DL

displa

the

o

and

on

urns

T

OFF

f

ON

f

B

of

cycle

y

dut

OUT

the

and

CURRENT

SOURCE

f

ADC

Changes

%

SYNC

from

.

y

suc

at

h

EDITfFUNCDEF

ENTERfCOMMAND

Displays a user-dened function for editing.

Allows commands to be executed from the front

panel.

limit

enter

command:

ENTERfLINE

ENVLOPE

Selects an en

the limit-line

ys

Displa

LIMIEDIT,

Enters a title

velope statistical distribution

LIMILINE,

created b

table

y the user on the displa

distribution trace. Related command: FP

ENVLOPEfMKR

BW

f

Sets the F

abry-Perot laser en

amplitude. Related command: FP MKBW

Optical Spectrum

2-8

Analyzer

Functions

for

and

creating

limit

LIMISEG

for the po

velope bandwidth

lines.

y.

wer

ERASEfALL

Erases all internal user memory.

erasefrestart

ERR

Front-panel indicator light that turns on whenever the optical

Presents a menu for erasing internal memory.

spectrum analyzer has a problem.

executefDLP

Lists all DLPs stored in internal memory

alphabetically.

EXIT

Turns o an advanced-measurement program. Related

command: DFB , FP , LED , and PDLEXIT

EXT

Selects external triggering. Related command: TM EXT

selects

EXT TRIG

IN

external trigger

EXTEND

module

extnded

er-p

b

FLAT

FORMAT

f

of the

f

ositioner's

Determines

Erases,

command:

urns

T

command:

align

on

Rear-panel

mode

Lists

instrumen

Presen

king

trac

limit-line

then

ORMA

F

abry-P

F

the

FP

input

or the

mo

ts

table.

initializes

erot

connector

gated

dule-lev

men

a

terp

in

the

T

(FP)

sw

el

command:

u

olation.

adv

that

de.

mo

eep

alues

erating

op

v

DSPMODE

adjusting

for

curren

tly

the

selected

anced-measuremen

either

eac

for

EXTEND

memory

program.

t

h

.

frequency

FREQ

Congures

FULLfSPAN

readouts

er

mark

Sets the measurement span to the limits of the optical

in

spectrum analyzer. Related command: FS

GATESWPfOnfOff

rear-panel

GAUSIAN

distribution

EXT TRIG IN

Selects

trace.

gratfcontrol

Allows the gating of measurementdataviathe

connector. Related command: GATESWP

Gausian

statistical

Presents a men

distribution

u for con

graticule.

graticule on and o. Related

Optical

yed

Spectrum Analyzer

GRATffOnfOff

command: GRA

T

Turns the displa

.

for the

p

trolling the displa

Functions

er

w

o

yed

2-9

GRATSCRfOnfOff

Controls the p ositioning of the horizontal

graticule lines. Related command: GRATSCRL

HELPfOnfOff

HIGHESTfPEAK

Displays on-line denitions.

Moves a trace marker to the highest detected

signal peak. Related command: MKPK HI

4

5

HOLD

Deactivates an active function to prevent accidental setting

changes. Related command: HD

HOLD

Deactivates an active function to prevent accidental setting

changes. Related command: HD

HORZfOFFSET

displays.

HP-MSIB

Related command:

f

devices. Related

DISK

f

HPIB

HP-IB

via

HSWP

eep

sw

HYS

video

IGEN

curren

IGEN

to

OUT

IN

(HSWP)

LEVEL

f

triggering.

LIMIT

f

source.

t

f

On

f

Sets the horizontal oset of 3-dimensional trace

THREEDH

CARD

Accesses

memory on

cards

command: MSI

Accesses

system.

the

Rear-panel

HP-IB

an

external

command:

and

memory

MSI

output

signal.

video-signal

in

hange

c

Option

the

command:

only

001

command:

only

001

VTH

trols

Con

IGENLIMIT

on

urns

T

curren

or

Denes

of the current source. Related command: IGEN

other

and

device connected

connector

el required

lev

limiting

t

sets

and

o

HP-MSIB

high

the

for

the

of

value

the

INITfPDL

HP 71451B Option 003 only

Initializes the polarization

dependent loss (PDL) measurement procedure. Related command:

PDLINIT

INSERT

haracters

c

4

5

INSTR

the

or...

f

to

in

text.

Displa

ys

SELECT

Assigns the HP 70004A displa

CHAR

f

front-panel k

y's

softk

eys to selected

inserting

for

ey

master mo dules.

operations performed

instrfmodes

byHP

2-10

71451A instruments. Related command: INSTMODE

Optical Spectrum

Selects the t

Analyzer

ype of instrumen

Functions

t

4

INSTR PRESET

5

Resets the optical spectrum analyzer to a known

preset state. Related command: IP

INTfWINfOnfOff

Displays the trace points used to calculate

FWHM and power.

INTEGRTfFROMfPK

Selects integration p oints based on amplitude

level from peak response.

integrtfmenu

Accesses a menu that selects the trace points for

calculating FWHM and p ower.

INTEGRTfSTOPfWL

Sets the upper limit of integration points

based on the ending wavelength.

w

lo

INTEGRT

based on

INTRNL

the starting

f

memory for

control

f

key

user-dened

SEGMENT

f

LAST

limit-line

LCL

LED

table.

Returns

urns

T

command:

PEAK

f

LEFT

STRT

f

MEMORY

memory op

Accesses

us.

men

lo

the

on

LED

v

Mo

WL

wa

Selects

En

fron

LED

a

es

the

Sets

elength.

v

optical

the

men

a

limit-line

a

ters

command:

t-panel

mark

con

anced-measuremen

adv

left

er

u

trol.

peak. Related command: MKPK NL

limit

er

ectrum

sp

command:

creating,

for

segmen

LIMIBOT

displa

the

on

of

in

at

t

tegration

analyzer's

MEM

ving, and

sa

the end

program.

the

to

y

ts

oin

p

ternal

in

MSI

and

recalling

the

of

LEFTfPIT

Moves a marker left on the display to the next signal pit.

Related command: MKPK NLPIT

limf%-&fampcor

amplitude-correction

lines

limit

f

Accesses a menu for loading and editing

and

to

alues

v

amen

ys

Displa

displaying limit lines.

LIMITSfOnfOff

Turns on and

command: LIMITEST

lightfsource

Option

002 only

built-in white-light source.

Optical

from limit-line

creating,

for

u

tables.

editing,

and

o limit-line testing. Related

Presents a softk

Spectrum Analyzer

ey for con

Functions

trolling

2-11

LINE

Triggers the sweep using the ac p ower-line voltage. Related

command: TM LINE

LINEAR

LINESfOnfOff

Selects a linear amplitude scale. Related command: LN

Turns on or o the interpolation of data b etween

trace measurementpoints. Related command: LINES

LOADfFILE

Recalls a le stored in memory. Related command:

LIMIRCL, LOAD, RCLD, RCLS, RCLT, and RCLU

LOCKOUTfANOTATN

Prevents the display of annotation. Related

command: ANNOFF

LOGfdB/DIV

Selects a logarithmic amplitude scale. Related

command: LG

LORENZ

Selects

a Lorenzian

statistical distribution

distribution trace.

LOWER-

for

alues

v

AMPCOR

&f

sp

a

ecic

a

w

Stores

elength

v

er-limit

w

lo

a

range. Related

line as

amplitude-correction

command:

LIMTOCOR

when the

on

turns

that

t

ron

F

LSN

ectrum

sp

MANUAL

elengths.

v

a

w

Marker

ers.

mark

t-panel

analyzer

ALIGN

f

Presen

indicator

is

P

a

ts

ligh

receiving

erforms

for

u

men

data

4

an

UTO

A

accessing

instructions

or

ALIGN

and

5

con

sp

at

trolling

o

ecied

the

for

optical

er HP-IB.

v

trace

er

w

o

p

markerfexcursn

Presents a menu for dening peak and pit

excursion.

markerfreadout

Selects the measurement parameter indicated

by the marker. Related command: MKREAD

the

TUNE

MARKER

command:

f

MKTUNE

MAXfHOLDfA

successivesw

MEAS

eep. Related command: MXMH

Front-panel indicator light that turns on when

spectrum analyzer

the w

unes

T

Updates

trace A with the maxim

sweeps the w

elength

v

a

avelength range and blanks during

of

retrace.

Optical Spectrum

2-12

Analyzer

Functions

preselector.

the optical

h

4

MENU

5

Displays the optical spectrum analyzer's softkeys.

MINfHOLDfA

Updates trace A with the minimum values from each

successivesweep. Related command: MINH

MINIMUMfPEAK

Moves a marker to the smallest displayed signal

peak. Related command: MKPK MI

MINIMUMfPIT

Moves a marker to the smallest displayed signal pit.

Related command: MKPK MIPIT

MINIMUMfPOINT

Moves a marker to the lowest detected level on

the trace. Related command: MKMIN

MKfSTOPfOnfOff

f

On

CONT

f

command: MK

MKNOISE

Related command:

f

On

command:

f

BW

f

bw

f

NRM

f

On

alue

v

zoom

softk

On

f

MKN

Off

f

MKPAUSE

anced-measuremen

adv

bandwidth

mkr

bandwidth

MKR

command:

Stops the sweep at the marker. Related

Displa

ys

Off

noise

rms

the

MKNOISE

at the

sweep

the

auses

P

Off

USE

A

MKP

bandwidth

Measures

t

measured.

is

bw

f

program,

Accesses

the

sets

the

amplitude

the

command:

er

eys.

mark

e

activ

an

ys

Displa

Off

OFF

MK

and

at

el

lev

er

mark

signal.

of a

at

MKBW

bandwidth

a

on

er

er.

mark

the

osition.

p

DFB

the

In

the

h

whic

A

om

zo

and

trace. Related

MKRfTRAfAfBfC

Positions the activemarker on trace A, B, or C.

Related command: MKTRACE

MONOfINPUT

Selects the front-panel

MONOCHROMATOR INPUT

connector for stimulus-response measurements. Related command:

SRINPUT NORMAL

ront-panel

MONOCHR

the

es

receiv

OMA

input

TOR

ligh

INPUT

for the

t

F

HP

71451B

On an HP 71450B/2B, this connector is lab

MONOCHROMATOR OUTPUT

serving as the

71451B optical spectrum

NEXTfPAGE

external output of the monoc

analyzer.

Displays another page of screen data.

Front-panel output connector

Optical

Spectrum Analyzer

connector

input

ectrum

optical

sp

eled

OPTICAL INPUT

hromator on the HP

that

analyzer.

Functions

.

2-13

4

NEXT PEAK

peak.

5

Moves a displayed marker to the next-highest signal

NEXTfPEAK

Moves a displayed marker to the next-highest signal

peak. Related command: MKPK NH

NEXTfPIT

Moves displayed marker to the next-deepest signal pit.

Related command: MKPK NHPIT

NEXTfSEGMENT

Selects the next row in the limit-line table for data

entry. Related command: LIMINEXT

NO.fOFfSTATES

Reserves a number of instrument-state les for

saving instrument states. Related command: NSTATE

o.

or

NORM

T

urns

Off

On

f

normalization

trace

on

command: NORM

trace.

the

on

er

mark

4

NORMAL

oneshot

erformed

p

OPTICAL

ligh

input

71451B,

HP

OPTIMIZ

laser's

the

OPTSENS

sensitivit

for

ON/OFF

math

f

once

INPUT

the

for

t

this

Ensures

side

On

f

.

y

5

Places

Displa

k

er

p

F

HP

connector

the

des.

mo

Off

f

an activ

ys

press.

ey

t-panel

ron

71450B/2B

DFB

Optimizes

e

of trace-math

u

men

a

input

optical

MONOCHROMATOR

eled

lab

is

anced-measuremen

adv

automatic

the

connector

ectrum

sp

functions that

that

analyzer. On

t

measuremen

receiv

INPUT

program

the

.

lo

routine

t

are

an

cates

ORDERfAutoMan

Allows second order use of the diraction grating

modes or limits op eration to the rst order. Related command:

GRATORDER

OSA

Selects normal optical spectrum analysis.

eration

op

an

f

OSA

de

mo

is

that

command:

Places

optimized

the

INSTMODE

PfSTATEfOnfOff

Related command: PST

PARTIALfERASE

Erases all v

optical sp

for making

Protects the

ATE

olatile con

ectrum

accurate

analyzer

fast

contents of instrumen

tents of in

in

measuremen

pulse

ternal memory

t-state les.

Related command: PERASE

Optical Spectrum

2-14

Analyzer

Functions

ts.

.

PAUSE

Pauses execution of a DLP during debugging. Related

command: PAUSE

PDfINPUT

Selects the front-panel

PHOTODETECTOR INPUT

connector for stimulus-response measurements. Related command:

SRINPUT DIODE

PDfMEASfOnfOff

Displays the p ower distribution of a photo

diode. Related command: PDMEAS

PDL

HP 71451B Option 003 only

Runs the polarization dep endent

loss measurement program. Related command: PDL

PEAKfEXCURSN

Related command:

4

SEARCH

PEAK

trace p

PEAK

when

PEAKS

measuremen

PERIOD

PERSIST

oint.

THRESH

f

using

On

f

Congures

f

the

f

t

On

Denes a peak for marker peak-search functions.

MKPX

5

Places

F

Off

Selects

abry-P

Displa

an activ

amplitude

an

(FP)

erot

whic

ys

e mark

er

w

windo

anced-measuremen

adv

eaks

onse p

resp

h

measuremen

for

are

highest

the

on

calculations.

d.

erio

p

f

Off

mark

Sim

readouts

er

ulates

analog

in

displa

ys.

program.

t

in

used

command:

t

PERSIST

PHOTO

DIODE

f

Selects

instrumen

t

eration

op

for

testing

photo-dio

detectors.

data

de

PHOTODETECTOR INPUT

Front-panel external input connector

for the photodetector on the HP 71451B optical spectrum analyzer.

PITfEXCURSN

Denes a pit for marker pit-search functions.

Related command: MKPITX

cating

lo

wer lev

for

el for user

pit,min

signal

4

PLOT

POINT

f

and

pits

5

Plots the displa

Determines limit-line in

POWERfFOR

markers

minim

the

f

CAL

amen

ts

Presen

um trace

yona

Hewlett-Packard plotter.

terpolation.

Enters the ligh

functions

of

u

t.

oin

p

t source's p o

calibrations. Related command: CALPWR

POWERfMETER

Selects instrument operation as a power meter.

Optical

Spectrum Analyzer

Functions

2-15

POWERONfIP

Species that the instrument be placed in its preset

state whenever it is turned on. Related command: POWERON

POWERONfLAST

Species the instrument's state immediately after

being turned on. Related command: POWERON

poweronfmenu

Presents a menu for selecting the instrument's

state after it is turned on.

POWERONfRECALL

Restores a specied state-register le each time

the instrument is turned on. Related command: RCLS

PRESEL

PRESETfUSER

Selects instrument operation as a preselector.

Restores the default user-menusoftkeys. Related

command: KEYPST

softk

ed

y

width

ard

k

ac

the

of

command:

memory

graphics

rear-panel

PRINT

PULSE

or

OUT

PURGE

menu

f

5

Prin

WIDTH

f

CURRENT

FILE

f

Returns

ts the

displa

Adjusts

SOURCE

Erases

to the

on

y

the

connectors.

from

les

previously

Hewlett-P

a

pulse

default

DISPU

y

an

of

use

the

o

and

on

urns

T

Off

f

On

f

CAL

f

PWR

correction

er

w

o

p

ed

deriv

RATIO

RB/SPAN

f

resolution-bandwidth

Sp

and

oset.

ecies

span

the

settings.

command:

een

w

et

b

the

command:

eys.

ter.

prin

ADC SYNC

IGENPW

command:

user-calibration

RBR

for recalling

recall

Accesses a

recallffrom...

menu

Presents a menu for cataloging and changing

default memory.

RECALLfLIMIT

Loads a stored limit-line le into the limit-line

table. Related command: LIMIRCL

non-ASCI

MEMORY

RECALL

memory

f

RECALLfSTATE

state le. Related command: R

RECALLfTRACE

Related command: R

Optical Spectrum

2-16

Loads

CLD

command:

R

Sets the instrumen

CLS

fALoads trace data from a le in

CLT

Analyzer

Functions

les

IDLP

t state to

memory

from

program

data

the settings sa

to trace A.

.

to

ternal

in

ved in a

RECALLfUSER

Loads a set of user-dened softkeys into the

menu. Related command: RCLU

4

USER

5

RECALLfUSERKEY

4

5

menu.

USER

-&fREF

Sets the reference level equal to the marker amplitude.

Loads a set of user-dened softkeys into the

Related command: MKRL

4

REF LEVEL

REFfLVL

5

Sets the reference level.

Species the reference level value at the reference-level

position. Related command: RL

REFfLVLfPOSN

Changes the reference-level position. Related

command: RLPOS

Sp

Displa

the

Man

left-side

righ

the

ys

resolution

ually

RB

LEFT

REL

f

bandwidth of

RIGHT

f

REL

command:

5

BW

f

BW

f

of

f

haracters.

c

Man

AutoMan

RELATIV

replacing

4

RES

ltering.

ositions the

P

a signal.

ositions

P

signal.

a

Off

f

On

or...

ually

command:

LIMIREL

sets

mark

command:

marker

t-side

command:

e

relativ

SELECT

bandwidth

the

sets

RBR

and

measuring

for

er

MKAL

for measuring

MKAR

absolute limit-line

or

CHAR

f

softk

ltering.

resolution

bandwidth

the

ey for

the

alues.

v

RESTART

Performs an automatic MMS conguration routine.

Related command: STARTUP

RIGHTfPEAK

Moves a marker right on the display to the next

signal p eak. Related command: MKPK NR

the

on

t

righ

er

mark

es a

v

Mo

PIT

RIGHT

pit.

RMT

spectrum analyzer is b eing con

ROMfVERSION

(ROM). Related command:

f

MKPK

Front-panel indicator light that

trolled b

Displays the date code of the read-only memory

REV

Optical

NRPIT

turns on when the optical

y a computer o

Spectrum Analyzer

displa

to

y

ver the HP-IB.

Functions

signal

2-17

save

Accesses a menuforsaving traces, instrument states,

limit-lines, and user menu les to memory.

SAVEfLIMIT

Stores the contents of the limit-line table in a

limit-line le. Related command: LIMISAV and STOR

SAVEfMEMORY

Stores all non-ASCII, internal-memory,lesto

external memory. Related command: SAVED and STOR

SAVEfSTATE

Saves the current instrument state in a le. Related

command: SAVES and STOR

savefto

Presents a menu for cataloging or changing default

memory. Related command: STOR

SAVE

SAVET

SAVE

le.

a

SELECT

limit-line

4

SENS

TRACE

ff

and STOR

USER

f

USERKEY

f

segmen

Sets

5

AutoMan

f

serivce

parameters,

A

f

Stores

command:

CHAR

Places

SEGMENT

t.

sensitivit

the

ts

Presen

module

the

trace

curren

the

Stores

SA

selected

ers

v

Mo

.

y

the

Sets

u

men

a

parameters, and

level

A

men

t

curren

and

VEU

haracters

c

limit-line

the

sensitivit

obtaining

for

in

u

t

y

le.

a

user

of

uof

men

STOR

kno

mo

editing

wledge

dule

command:

eys

softk

user-dened softk

displa

the

eld

command:

ab

HP-MSIB

a

in

yed

to the

out

le.

eys

cursor.

system

addresses.

in

SERVICEfREQUEST

showfstates

Enables the service request mode.

Displays a menu for obtaining current

instrument-state information.

LIMIT

f

TRK

f

SIG

functions.

signal-trac

king

SIGfTRKfOnfOff

Sets the

Keeps a mark

amplitude

display. Related command: MKTRA

SINGLEfSWEEP

Initiates one sw

Related command: SNGLS

SLOPE

Optical Spectrum

2-18

Determines limit-line in

Analyzer

terpolation.

Functions

ariation

v

tolerated

MKTV

ed signal at the cen

ter of the

CK

eep of the measuremen

b

range.

t

the

y

SMSRfOnfOff

Displays a trace showing the DFB laser's side mode

used to calculate SMSR.

SOURCEfOnfOff

HP 71451B Option 003 only

Turns on or o

the internal white light source. Related command: PDLSRCand

PDL SRC?

SPACE

1-&

Enters a space character.

SPAN

Sets the measurement span equal to the wavelength

separation of delta markers. Related command: MKSP

4

5

SPAN

measurement

SRQ

sp

4

ST

START

STARTUP

that

ST

State

and

Sets the wavelength span.

Sets the wavelength span. Related command: SP

elength

v

a

f

Fron

ectrum

5

ART

ccurs

o

TUP

AR

recalling

AutoMan

routine. Related

t-panel

analyzer

the

Sets

the

Sets

AutoMan

f

when

ts

Presen

les.

of

Changes

indicator

has

start

instrumen

the

men

a

the w

ligh

requested

elength.

v

a

w

elength.

v

a

w

trols

Con

instrumen

for

u

command: A

turns

that

t

service

from

the

turned

is

t

conguration

t

UTOMSP

on

on.

set

span

when

computer o

a

command:

MMS

the

y

b

optical

the

HP-IB.

ver

TWL

STAR

conguration

command:

the

and

sa

ving

STATE

Lists the

state of

current

measuremen

settings

t

under

operator control. Related command: DSPMODE STATE

STEP

STM/RESP

Executes DLP commands one at a time.

Selects instrument operation for performing

stimulus-response measurements. Related command: MEASURE

the

4

STOP

STOREfA

Sets

5

Sets the stop w

Stores the trace in temporary

STOREfTHRU-

stop

elength.

av

w

elength. Related command: STOPWL

av

memory.

&BStores the calibration response in

STOPWL

to trace B.

Related command: STORREF

Optical

Spectrum Analyzer

Functions

2-19

STPfBNDfOnfOff

bandwidth.

Displays a trace showing the DFB laser's stop

SWEEPfOnfOff

Turns the sweep on and o. Related command:

SWEEP

SWPTIME

Congures marker readouts in sweep time.

SWPTIMEfAutoMan

syncfout

Presents a menu for controlling an external pulsed

current source.

TAKEfSWEEP

THRESHD

Related command:

level.

TITLE

Displa

Related command:

ron

F

TLK

CENTER

LEVEL

REF

A

f

analyzer

ectrum

sp

4

TO

4

TO

el.

lev

trace

Updates the displayed trace in preselector mo de.

Off

On

f

men

ys a

TITLE

5

B

Mo

5

f

C

indicator

sending

is

the

es

v

es

v

Mo

Selects

t-panel

f

storing.

TRACE

traces

LENGTH

f

A, B,

and C.

Changes

Related command:

Sets the sweep time. Related command: ST

Blanks

traces

amplitude

an

w

elo

b

threshold

TH

used

u

v

a

w

amplitude

the

for

t

ligh

data

elength

activ

the

writing

turns

that

instructions

or

at

trace

e

b

um

n

messages

on

the mark

mark

the

for

trace

of

er

writing,

on

when the

er HP-IB.

v

o

cen

to

er

to the

er

pro

ts

oin

p

optical

screen.

ter

reference

cessing,

measured

displa

the

TRDEF

.

y

or

for

traceflinmath

Displays a menu of linear trace-math functions

that are for use when the optical spectrum analyzer's amplitude scale

is set to linear units.

traceflogmath

functions

amplitude

that

scale

TRACEfPRESET

Displays a menu of logarithmic trace-math

ectrum

are

when the

use

for

logarithmic units.

to

set

is

optical

sp

Resets trace functions to their

analyzer's

default state.

Related command: TRPST

Traces

Presents

TRANS-Z IN

a menu for con

Rear-panel input connector

trolling traces.

used in the photo detector

instrumentmode.

Optical Spectrum

2-20

Analyzer

Functions

TRIGGERfFREE

FREE

Selects free-run triggering. Related command: TM

TRNSZLKfOnfOff

Locks the optical spectrum analyzer's internal

transimpedance amplier. Related command: TRNSZLOCK

type

Selects the type of lines used for limit lines. Related command:

LIMITYPE

unitsfmenu

UPPER-&fAMPCOR

Selects the amplitude scale's units.

Stores an upper limit line as amplitude-

correction values for a specic wavelength range. Related command:

LIMTOCOR

UPPER

low

4

USER

f

er limit

5

Presen

USERCAL

command:

VERSION

er.

b

um

n

OFFSET

f

VERT

ys.

displa

AVG

f

VID

G

V

A

V

BW

f

VID

LOWER

Sp

lines. Related

ts the

PRESET

f

CAL

ys

Displa

Sets

On

command:

Off

f

AutoMan

f

ecies whether

command:

4

USER

Erases

an

the

adv

u.

5

men

user

all

anced-measuremen

ertical

v

THREED

video

on

urns

T

sets

ually

Man

limit-line

the

LIMIHALF

calibration

of

oset

V

eraging.

v

a

video

the

data

program's

t

3-dimensional

ersion

v

trace

command:

ltering.

er

upp

for

is

Related command: VB

or

VIDfLINfOnfOff

Displays or hides video-trigger lines. Related

command: VTDL

VIDEO

command:

VIDEO

Triggers zero-span sweeps using the input signal. Related

VID

TM

ecies

LEVEL

f

Sp

Related command: VTL

VIEWfA

Displays trace data that has

Related command: VIEW

VIEWfB

ys trace data that has been temp orarily stored.

Displa

Related command: VIEW

the trigger

Optical

triggering.

video

the

for

el

lev

been temporarily stored.

Spectrum Analyzer

Functions

2-21

VIEWfC

Displays trace data that has been temporarily stored.

Related command: VIEW

WfLIGHTfALIGN

Runs an automatic alignment for the ber

positioner's tracing table using a broad spectra light source (600 nm to

1700 nm). Related command: ALIGN

WARNINGfOnfOff

Displays or hides warning messages. Related

command: WARNCTRL

WATT

WAVELEN

WAVELENfFORfCAL

calibration. Related

WAVELEN

Selects linear amplitude units in watts.

Congures marker readouts in wavelength.

Enters the light source's wavelength for a user

OFFSET

f

command: CAL

Osets

the w

WL

elength

v

a

annotation.

limit-line

the

to

in

urns

T

the

o

v

a

value

av

w

on or

use

elength

o

y

an

of

command:

range.

ternal

in

and

white

settings

the

user-calibration

CALCOR

WAVELEN

Waveln

erforming

p

source.

t

CAL

f

ed

LIM

f

w

WHITE

ligh

WL

deriv

WL

VALUE

f

Displa

automatic

Off

f

On

f

elength

v

a

f

On

f

En

command:

men

a

ys

measuremen

Option

command:

urns

T

Off

correction

Expands

Off

a

ters

LIMIWL

for

u

002

on

velength

a

w

hanging

c

only

LIGHT

and

oset.

the

ts.

w

command: WLLIMIT

WLfSTEPfAutoMan

Changes the center wavelength in increments.

Related command: SS

X

Used for entering values as a multiplier.

ZERO

drift.

Increases

command:

ZOOMfTOfRESfBW

y comp

accuracy

O

ZER

a signal in a 0 Hz span at the resolution

Views

b

ensating

bandwidth specied. Related command: ZOOMRB

Optical Spectrum

2-22

Analyzer

Functions

for

temp

erature

Programming Commands

The following pages are a compilation of all current programming

commands for the optical spectrum analyzer. More information

on each command can be found in the

ammer's

gr

o

is

Pr

tended

in

for

use

ctrum

e

Sp

reference

This

analyzer

nalyzer

A

programmer.

HP 71450B/1B/2B Optical

.

Guide

erienced

exp

the

y

b

optical

ectrum

sp

3

programming

a

ond

T

unctional

\F

to the

refer

according

wn in

sho

alphabetical

the

to similar

this

function.

index.

listing

information.

Contents

tions

en

v

tax

Con

tions

en

v

Index

:

Notation

Syn

unctional

F

Programming Commands

command

Index,"

Once

for

:

::

:

particular

the

and

denition

:

a

commands

brief

a

found,

is

:

::

:

denition

and

::

:

::

:

refer

:

The

desired

the

further

::

:

::

:

that

whic

command

:

::

:

::

:

erforms

p

groups

h

command

:

::

:::::::::::::::::::::::::::::::::::::

function,

to

tax

syn

:

::

are

:

3-18

3-2

3-3

3-6

Programming

Commands 3-1

Notation Conventions

The following type styles and symbols found in this guide indicate the

following:

BOLD TYPE

CAPITAL

LETTERS

>

<

]

[

j

)

(

All characters appearing in bold type are keywords

and must appear exactly as shown.

All characters which are capital letters are

secondary keywords and appear within the keyword

syntax. They must appear exactly as shown, and

their meanings can be found in the \Secondary

Keyword Summary."

earing

Characters

considered

dened.

section

ecied

sp

Square

within

\or":

from

b

<

or

aren

P

e

b

to

app

to

Their

\Syn

with

brac

the

Indicates

(for

list

a

but

>

theses

hosen

c

elemen

e

b

meanings

Conv

tax

eyword

the k

ets indicate

k

is optional.

ets

k

hoice

c

a

example,

oth.

b

not

used

are

from.

entions"

to

\underscore": Indicates

angular

in

ts

can b

that

of

<

clarify

that

brac

language

the

of

e found

unless

denition.

whatev

exactly

>

b

<

j

>

a

whic

space

a

in

otherwise

o

er

elemen

one

indicates

elemen

h

ust

m

eing

b

the

ccurs

e

b

t

>

<

a

are

ts

are

ets

k

placed at the indicated location (for example,

A<a>indicates that there must b e a space

between the keyword A and the element<a>.

::= \is dened as" (for example,<a>::=<b><c

indicates that

b

elements

<

><

replaced

e

b

can

>

a

<

statemen

y

an

in

>

c

b

where

t

<

series

the

y

occurs).

fg

Programming Commands

3-2

Curly brackets indicate that whatev

the brac

kets can ha

ve 0 or more repetitions.

er occurs within

>

of

>

a

Syntax Conventions

<

A-block data eld>is dened as #A<length><command list>(use

when the length of the command list is known).

<

A-block data format>is dened as #A<length><command list>.

<

amplitude unit>is dened as DBjDBMjDBMVjDBUVjMV

j

UVjVjMWjUWjW.

<

character>is dened as SP*-<=>@^

fjg

~! "#$% &'()

+,. /0123456789: ;ABCDEFGHIJKLMNOPQ

RSTUVWXYZ[n]? `jabcdefghijklm nopqrstuv

z

y

x

w

haracters.

c

of

haracter string

c

<

>

dened as

is

a list

ectrum

yte

%

j

an

5

j

y

&

TR

sp

semicolons.

by

optical

that

taining

con

j

'

j

<

j

C

ariable

v

7

j

6

j

optical

y

is

on

as

ariable

v

j

as an

dened

other

an

j

!

TRA

as

>

j

2

1

as

functions,

8-bit

$

j

"

TRB

j

predened

<

j

3

j

b

j

4

is dened

>

command

<

command

compatible

<

command

function

data

<

haracter

c

delimiter

<

destination

<

>

trace

digit

<

frequency unit>is dened as HZjKHZjMHZjGHZ.

<

I-block data eld>is dened as #I<command list>END; (use

list

or

function

that

its

in

>

yte

b

data.

>

user-dened

<

j

dened

is

>

commands separated

of

>

erates

op

tax.

syn

dened

is

dened

is

dened

is

as 0

analyzer

ectrum

sp

tains

con

is,

numeric

=

j

:

j

/

user-dened

trace

<

j

>

9.

j

8

j

analyzer

e

pr

or

@.

range

dene

when the length of the command list is not known).

teger

in

<

32768

0

<

key label

dened

is

>

through

>

is dened as 2 to 11 c

as

+32767.

a

ositive

p

or

haracters long

the FUNCDEF command. Choice of c

negativ

e

that is dened b

y

haracters A through Z and the

of

range

the

in

teger

in

underscore ( ). The underscore should be used as the second or third

character of the label. It is not recommended to

omit the underscore.

d

.

>

Programming

Commands 3-3

Note: The underscoreused as the last character in a FUNCDEF label

causes the optical spectrum analyzer to automatically use the<key

label>as the title for a user-dened key.

<

key number>is dened as<integer>from 1 to 14j<

trace

element>j<predened function>j<predened variable>j<user-dened

variable>.

<

lsb length>is dened as<data byte>representing the least

signicantbyte of a two-byte word that describ es the number of bytes

returned or transmitted.

<

msb length>is dened as<data byte>representing the most

signicantbyte of a two-byte word that describ es the number of bytes

er

>

unit

er

c

represen

names

transmitted.

dened

is

dened

is

>

function

returns

that

omp

c

called

ariable

v

dep

hange

ts

the

as

>

a

atible

>

ending

v

the

ariable.

v

<

as

dened

is

um

n

dened

is

alue

teger

in

MW

j

W

that

er

b

functions

the

on

the

of

real

<

j

>

UW

j

optical

an

as

can

.

the

as

curren

command

.

>

NW

j

sp

erated

op

be

alues of

v

instrument

t

function

PW.

j

ectrum analyzer

other

y

b

on

wing

follo

the

has

Eac

the

settings.

that

h

returned or

umb

<

n

ow

<

p

predened

<

command

commands

predened

<

ariables

v

ariable

v

same

,

MKP

RL,

TE,

A

VTL.

MKAR,

RB,

MKA,

LG,

USE,

A

ROFFSET,

DL,

MKPX,

CALPWR,

MKP

RLPOS,

<

real>is dened as positive or negative real number.

<

source>,<source 1>,and<source 2>are dened

as TRAjTRBjTRCj<

MKA

TH,

NST

VB,

MKT,

SS, ST,

SP,

MKTV,

user-dened trace>j<user-dened

MKAL,

CT,

MKN,

RBR,

variable>j<predened variable>j<trace range>j<number>[<units>].

dened as

is

>

unit

time

<

trace elemen

t>is dened

of trace A, trace B, trace C, or user-dened

element>are dened b

>

<

trace range

is dened as v

trace A, trace B, trace

S

alue con

as a v

y<trace range

alues con

tained in one trace poin

trace. V

>

.

tained in an

alues in<trace

y trace data of

C, or user-dened trace. The range is dened

t

US.

j

MS

j

by TRDEF. The range of the element can be032768 to +32767

Programming Commands

3-4

measurement units for logarithmic trace data; 0 to 10000 measurement

units for linear trace data.

<

user-dened function>is dened as 1 to 12 characters dened by

the FUNCDEF or ACTDEF command. Choice of characters is A

through Z, 0 through 9, and underscore ( ); rst character must be

a letter and numbers must be preceded by the underscore. Using an

underscore as the last character causes the label to be used as a key

label in the USER menu.

<

user-dened trace>is dened as 1 to 12 characters dened bythe

TRDEF command. Choice of characters is A through Z, 0 through 9,

and underscore ( ); rst character must be a letter and numbers must

underscore.

the

preceded b

be

y

<

user-dened

ARDEF

the V

by

through Z,

and

letter

elength

v

a

w

<

variable

or

0 through

ers

b

um

n

unit

m

>

CTDEF

A

and

9,

ust

dened

is

dened

is

command.

underscore

preceded b

be

as

M

as

j

1

(

y

MM

12

to

Choice

); rst

underscore.

the

UM

j

haracters

c

of

character

NM

j

dened

haracters

m

PM

j

is

ust

ANG.

j

A

a

e

b

Programming

Commands 3-5

Functional Index

Active-Trace Processing Functions

A0B!A AMB

A0C!A AMC

A0B+DL!A AMBPL

(A0B)0C!A AMBMC

(A0B)0C+DL!A AMBMCPL

A0C+DL!A AMCPL

A+B!A APB

A AMC

C

!

0

A

!

B

/

DL

2

A

DL

2

A

DL

2

A

DL

2

A

+

(A

Automatic

!

B

DL

0

B

Blank T

Clear

ter

Cen

Exchange

/

2

B)

C

!

race

rite

W

a

W

!

C

(A +

(A

DL

Measuremen

Ranging

B

elength

v

Traces

Lines

Maxim

Minim

um

Hold

um

Normaliation

Persistence Display PERSIST

Trace A Exchange Trace B AXB

Trace A Exchange Trace C AXC

Trace Data Input and Output TRA/TRB/TRC

Trace Dene TRDEF

race Displa

T

race

T

Trace

Video

View T

y

Preset

Status

erage

Av

race VIEW

er

ADBTL

ADCTL

APBTL

AD

APBPCTL

D

APBDCTL

UTOMEAS

A

UTOMMKR

A

UTORNG

A

B)

!

A

!

C)

+

B

+

A

!

C

/

t

at Mark

t

BTC

BML

BLANK

er

Mark

to

C

and

B

MK

BX

C

W

VR

O

W,

CLR

CWL

LINES

MXMH

MINH

NORM

TRDSP

TRPST

T

A

TRST

G

V

A

V

Programming Commands

3-6

Amplitude Correction AMPCOR

Amplitude Functions

Amplitude Correction to Limit Lines CORTOLIM

Amplitude Meter AMETER

Amplitude Units AUNITS

Automatic Measurement AUTOMEAS

Automatic Measurementin dB AUTOMDB

Automatic Measurement sensitivity control AUTOMOPT

Automatic Ranging AUTORNG

Chop Mode CHOP

Diraction Grating Order GRATORDER

Limit Line Data to Amplitude Correction LIMTOCOR

Linear Scale LN

Logarithmic Scale LG

Normalization NORM

RL

RLPOS

OFFSET

R

SENS

TRNSZLOCK

ADCTR

GRA

G

GDL

TORDER

MKBW

A

MKBW

RB

RBR

SENS

VB

ZOOMRB

y

edance

el

osition

P

Oset

k

c

lo

Reference Lev

Reference-Lev

Sensitivit

ransimp

T

Bandwidth

Select

ys

Dela

Diraction

Mark

Resolution

ADC

Grating

Bandwidth

er

Bandwidth

er

Bandwidth

trigger

Order

Amplitude

trigger

ADC

Resolution-Bandwidth/Span

Sensitivit

Video

Zo

y

Bandwidth

Resolution Bandwidth

om to

F

Ratio

unctions

Y

Adjust ber-p ositioner table ALIGN

Calibration Functions

Align to Preset Values ALIGNPRST

Amplitude Correction AMPCOR

Amplitude Correction to Limit Lines CORTOLIM

Automatic Alignment AUTOALIGN

Calibrate

Calibration

Correction

Data

P

Calibration W

actors CALCOR

F

er

ow

velength CALWL

a

CAL

CALD

CALPWR

Programming

TA

A

Commands 3-7

Limit Line Data to Amplitude Correction LIMTOCOR

Calibration Functions (continued)

Select Flatness Corrections CORSEL

Trace Zeroing AUTZERO

Zero Photodiode ZERO

Current Source: Output Limit IGENLIMIT

Current Generator Functions

Current Source: Pulse Mode DutyCycle IGENDTYCY

Current Source: Pulse Mode Pulse Width IGENPW

Current Source: Current Control IGEN

DisplayFunctions

Annotation ANNOT

Display Line DL

T

Graticule

scrolling

Hold

Instrumen

t

Plot

Dimensional:

Three

Dimensional:

Three

Dimensional:

Three

Threshold

try

En

Title

rigger

T

Video

Distributed-F

erot

abry-P

F

abry-P

t-Emitting

erot

Fabry-P

F

Ligh

w

Windo

Horizon

race

T

ertical

V

Lines

y

Displa

Downloadable

Laser

k

eedbac

DLP

Laser

elop

v

En

Laser

Threshold

Laser

DLP

de

Dio

Displa

tal

trol

Con

Display

Program

DLP

Bandwidth

e

y

unctions

F

Amplitude

GRA

TSCRL

GRA

HD

IWINDO

W

PLOT

THREEDH

THREED

TH

TITLE

VTDL

DFB

FP

MKBW

FP

TH

LED

V

Position Left Power Integration Point WLMKRL

Position Power Integration Points to Amplitude AMPMKR

Position Right Power Integration Point WLMKRR

Programming Commands

3-8

Character Height CHEIGHT

Graphics Functions

Character Width CWIDTH

Clear Display CLRDSP

Dene Graphics Window DWINDOW

Delete Item DELETE

Display Grid GRID

DisplayMarker MK

DisplayVariable DSPLY

Dispose User Menu DISPU

Graph Trace GRAPH

Identify Item IT

Lines LINES

Line Type LINET

Lock Annotations O ANNOFF

Origin OR

Output

Do

en

P

Up

en

P

ersistence

P

Absolute

Plot

Relativ

Plot

ter

oin

P

Sound

Scale

Select

ext

T

En

Title

race

T

Item

View

Instrumen

wn

Displa

e

eep

b

a

Graphics

en

P

try

Conditions

t-Windo

y

P

w

arameters

OP

PD

PU

PERSIST

A

P

PR

TP

BP

SCALE

PEN

TEXT

TITLE

TRCOND

VW

Catalog CA

Information

Functions

TALOG

Conguration CONFIG

DisplayMode DSPMODE

Error ERR

Extended Error Query XERR

Identication ID

Programming

Commands 3-9

Information Functions (continued)

Instrument State STATE

Limit Line LIMILINE

Limit Line: Beep LIMIBEEP

Limit Line: Fail LIMIFAIL

Limit Line: Test LIMITEST

Memory MEM

Message MSG

Module Address MODADD

Module Identication MODID

Plot PLOT

Return Display-Mode Text DSPTEXT

Return Reported Warnings WARN?, XWARN?

Revision REV

Self Test TEST

er SER

b

Num

Serial

Byte

Status

Mo

eep

Sw

Status

race

T

Error

User

Message

User

arning

W

User

arning

W

ate

Activ

to Preset

Align

Chop Mo

Memory

Erase

Instrumen

Instrument

Instrumen

Line:

Limit

de

Report

trol

Con

Instrumen

ransimp

T

V

de

Mo

t

Preset

State

t

Recall

edance

alues

t-State

Input

STB

SWPMODE?

TRST

USERERR

USERMSG

USER

WARNCTRL

unctions

F

XAMPSW

ALIGNPRST

CHOP

ERASE

INSTMODE

IP

TE

A

ST

LIMIR

A

W

CL

T

ARN

Load LOAD

Measure Photodiode PDMEAS

Number of State Registers NSTATE

Optical Switch OPTSW

Partial Erase PERASE

Power-On State POWERON

Programming Commands

3-10

Instrument-State Functions (continued)

Preset User-Dened Keys KEYPST

Protect State PSTATE

Recall State RCLS

Stwrt-up Conguration STARTUP

Save State SAVES

Sweep Control SWEEP

Trace Preset TRPST

User-Key Lock USERLOCK

White Light Source LIGHT

Limit-Line Functions

Limit Line LIMILINE

Limit Line: Amplitude LIMIAMP

Limit Line: Beep LIMIBEEP

Line:

Limit

Line:

Limit

Line:

Limit

Line:

Limit

Line:

Limit

Line:

Limit

Line:

Limit

Line:

Limit

Line: Segmen

Limit

Line:

Limit

Line:

Limit

Line: W

Limit

Next Limit

Limit

Scroll

Bottom

Select

Delete

Editing

Done

Editor

Half

Recall LIMIR

e

Relativ

e

v

Sa

t

Segmen

T

Line

est

yp

v

a

Limit

t

e

elength

Segmen

Delete

t

ts

Line

Segmen

LIMIDEL

LIMIDONE

LIMIEDIT

LIMIHALF

LIMIREL

LIMISA

LIMISEG

LIMISDEL

LIMITEST

LIMITYPE

LIMIWL

LIMINEXT

LIMISCRL

LIMIBOT

t

CL

V

unctions

F

er

Mark

Displa

y

Mark

er

MK

Marker Active MKACT

Marker Amplitude MKA

Marker Amplitude Left MKAL

Marker Amplitude Right MKAR

Marker Bandwidth MKBW

Marker Bandwidth Amplitude MKBWA

Programming

Commands 3-11

Marker Continue MKCONT

Marker Functions (continued)

Marker Delta MKD

Marker Minimum MKMIN

Report active delta marker MKDACT?

Set reference marker frequency MKDREFF

Set reference marker amplitude MKDREFA

Set reference marker bucket MKPABS

Marker Noise MKNOISE

Marker Normal MKN

Marker O MKOFF

Marker Position MKP

Marker Pause MKPAUSE

Marker Peak MKPK

Marker Peak Excursion MKPX

Excursion MKPITX

Pit

er

Mark

Size

MKREAD

MKSP

MKSTOP

MKSS

CWL

MK

MKRL

MKT

MKTRA

MKTV

MKTUNE

MKTYPE

MKWL

ZOOMRB

CE

CK

Mark

Marker

Mark

om

Zo

Readout

er

Span

er

Stop

er

to Cen

er

to

er

to

er

Time

er

race

er T

rac

T

er

rac

T

er

une

er T

yp

T

a

W

er

Resolution

to

ter W

ter

Cen

Reference

king

V

king

e

elength

v

elength

v

a

elength

v

a

W

Lev

ariance

Bandwidth

Step

el

B

0

A

A0C!A AMC

A0B+DL!A AMBPL

(A0B)0C!A AMBMC

(A0B)0C+DL!A AMBMCPL

A0C+DL!A AMCPL

A+B!A APB

C

0

A

DL

2

A

2

DL

A

DL

2

A

A2DL / (A + B + C)

(A + B)

Programming Commands

3-12

!

A

B

/

C

/

(A

/

2

Math

A

!

A

!

B)

+

DL / C

unctions

F

e

v

Mo

and

AMB

AMC

ADBTL

ADCTL

APBTL

A

!

A ADAPBPCTL

AD

Absolute ABS

Math and MoveFunctions (continued)

Add ADD

Amplitude Units AMPU

Average AVG

B!C BTC

B0DL!B BML

Bit BIT

Compress COMPRESS

Concatenate CONCAT

Convert to Position Units POSU

Divide DIV

Exchange XCH

Exchange Traces B and C BXC

Exponent EXP

ransform FFT

ourier T

F

ast

F

teger

In

Logarithm

um

Maxim

Mean

Measuremen

um

Minim

dulo

Mo

ve

Mo

Multiply

eaks

P

Bandwidth

er

ow

P

Probability

ot

Mean

T

Ro

y

race

Deviation

Probabilit

Ro

Smooth

Square

Standard

Units

t

Distribution

Square

ot

of

T

of

race

Amplitude

elength

v

a

W

Amplitudes

INT

LOG

MXM

MEAN

MEASU

MIN

MOD

V

MO

MPY

PEAKS

PWRBW

A

PD

WL

PD

RMS

SMOOTH

SQR

STDEV

Subtract SUB

Sum SUM

Sum of Square SUMSQR

Trace A Exchange Trace B AXB

Trace A Exchange Trace C AXC

Trace Data Input and Output TRA/TRB/TRC

race

T

ariance

V

Video

Window

Average

TWNDO

V

W

ARIANCE

G

V

A

Programming

Commands 3-13

Catalog CATALOG

Memory UtilityFunctions

DisplayMode DSPMODE

Dispose DISPOSE

Erase Memory ERASE

Format FORMAT

Limit Line: Recall LIMIRCL

Limit Line: Save LIMISAV

Load LOAD

Mass Storage Interface MSI

Memory MEM

Number of State Registers NSTATE

Partial Erase PERASE

Prex PREFX

Protect PROTECT

TE

A

t

PST

PUR

RCLD

CLS

R

T

CL

R

CLU

R

DSPTEXT

VED

SA

VES

SA

VEU

SA

STORE

VET

SA

A

UST

unctions

F

PDLSCALE

PDLREV

GE

TE

(Option

Protect State

File

Purge

Recall

Return

v

Sa

v

Sa

v

Sa

Store

User

olarization

P

PDL:

wn-Loadable"

\Do

State

race

T

User

Displa

wn-Loadable"

\Do

e

State

e

Keys

User

e

File

race

T

State

Auto-scale

Calculate and

PDL: Displa

Keys

de

y-Mo

enden

Dep

During

y Revision

Programs

ext

T

Programs

t

Measuremen

Display

Numb

(DLP)

(PDL)

Loss

PDL PDLCALC

er

PDL: Initialize Measurement PDLINIT

PDL: Light Source On/O PDLSRC

PDL: Query Detector Type PDL DEV?

PDL: Return Light Source Status PDL SRC?

PDL: Return Revision Number PDL REV?

PDL: Select Detector Type PDLDEV

PDL:

Start

erminate

T

Measuremen

PDL Program

t

PDL

PDLEXIT

003

only)

Programming Commands

3-14

Program-Control and Interrupt Functions

Abort ABORT

Clear Status Byte CLS

Debug DEBUG

Done DONE

Enter Via HP-IB ENTER

If/Then/Elsif/Else/Endif IF/THEN

On Marker Pause ONMKR

On Menu Keypress ONMENU

On User Keypress ONUSER

On Window Recreation ONWINDOW

Output Via HP-IB OUTPUT

Pause PAUSE

Release HP-IB RELHPIB

Repeat/Until REPEAT/UNTIL

QS

unctions

F

unctions

F

R

RETURN

Q

SR

STB

TS

TIME

AIT

W

XAMPSW

CONTS

OPTSW

ADCTR

G

GDLY

GSYN

Request Service

Return

Request

Service

Byte

Status

T

Time

W

ak

ait

Sw

e

Stamp

eep

Signal-P

ransimp

T

ate

Activ

Sw

uous

tin

Con

Optical

Select

ys ADC

Dela

Sets ADC

h

Switc

eep

Sw

trigger

ADC

trigger ADCTR

SYNC OUT

Conditions

edance

eep

and

ath

Input

rigger

T

status ADCTR

Fetch FETCH

Single Sweep SNGLS

Sweep Control SWEEP

Sweep Time ST

TakeSweep TS

Time-Gated Measurements GATESWP

rigger

T

Video

de

Mo

Hysteresis VTH

rigger

T

el VTL

Lev

rigger

T

TM

Stimulus Resp

onse Measurements

Normaliation NORM

Select optical

input SRINPUT

Programming

Commands 3-15

Trace Data Input and Output

Fetch FETCH

Load LOAD

Measurement Data Size MDS

Recall Trace RCLT

Store File STOR

Store Trace SAVET

TakeSweep TS

Trace Data Format TDF

Trace Data Input and Output TRA/TRB/TRC

Stimulus Response and Source Functions

A0B!A AMB

A0C!A AMC

Measure Mode MEASURE

Store Reference

User-Denition

Activ

Clear

Dene

Displa

arameter

P

e

User-Dened

unction

F

User-Dened

Key

User

de

Mo

y

unction

F

e

Load

Memory

On-End-Of-Sw

ause

P

er

Mark

On

On Windo

Keypress

u

Men

User Keypress

w Recreation

eep

Men

Keys

Key

ariable

V

us

STORREF

unctions

F

CTDEF

A

CTP

A

KEYCLR

FUNCDEF

KEYDEF

ARDEF

V

USERKEY

DSPMODE

AD

LO

MEM

ONEOS

ONMKR

ONMENU

ONUSER

ONWINDOW

ARM

Prex PREFX

Preset User-Dened Keys KEYPST

Readmenu READMENU

Store File STOR

Trace Dene TRDEF

User Error Report USERERR

User-Key

Message

User

State

User

Lo

k

c

USERLOCK

USERMSG

TE

A

UST

Programming Commands

3-16

Automatic Measurement AUTOMEAS

Wavelength Functions

Automatic Measurement of Final Span AUTOMSP

Automatic Measurement sensitivity control AUTOMOPT

Center Wavelength CENTERWL

Center-Wavelength Step Size SS

Convert Trace Position to Wavelength WLUNITS

Diraction Grating Order GRATORDER

Full Span FS

Limit Line: Wavelength LIMIWL

Marker Bandwidth MKBW

Marker Bandwidth Amplitude MKBWA

Marker to Center Wavelength MKCWL

Marker Tune MKTUNE

Marker Wavelength MKWL

TWL

AR

Start W

W

Stop

elength

v

a

W

elength

v

a

W

elength

v

a

W

elength

v

a

elength

v

a

Oset

Span

Limit

Range

ST

STOPWL

WLOFFSET

SP

WLLIMIT

Programming

Commands 3-17

Programming Commands

ABORT

;

Stops execution of a user-dened function and returns control to

the normal command input level.

ABS<destination>,<source>;

Does a point-by-point absolute value of the source variable or

trace and stores the result in the destination variable or trace.

ACTDEF<function name>,<delimiter><text for active

function readout

ABSM

j

>

unit

Stores

e

lik

CTP

urns

T

line

<

Query

APBTL

function

g

>

a

an

ARM

the

n

resp

dened

routine

A

AD

Divide

ultiply

m

><

j

DBM

j

S

routine

delimiter

<

user-dened

function.

e

activ

(

0))

j

(1

displa

>

er

b

um

onse:

(

(OFF

the displa

result

the

delimiter>,<initial value>,(<wavelength

delimiter

<

)

>

units

<

j

STEP

j

INT

j

A

j

W

user-dened function

f

<

>

;

>

er

b

um

n

<

,

>

that

,

o.

or

on

B

and

A

B)).

+

j

y

::=

<

j

ON

y

[

<

of

c

line

function,

n

line

activ

the

2,

1,

0,

haracter

1))

j

0

j

y

b

ytrace

b

um

?;

j

the

3,

in

>

er

b

parameter

e

4

string

sum

A(A

ternal

in

]?;

>

of

*DL

memory

area

traces

/(A

><

op

and

user-

erates

then

ADAPBPCTL

((OFFjONj0j1))j?;

Divide the display line by the sum of traces A, B, and C and

then multiply the result by trace A (A * DL / (A + B + C)).

ADBTL

((OFFjONj0j1))j?;

Multiply

trace

then divide

alue,

v

line

y

displa

the

y

b

A

B.

ADCTL

((OFFjONj0j1))j?;

Multiply trace A b

y the displa

ylinev

alue, then

divide b

C.

ADCTRG

(

(FREEjPOSEDGEjNEGEDGEjAC))j?;

Selects the source of the ADC trigger.

Query response: FREEjPOSEDGEjNEGEDGEjAC

Programming Commands

3-18

trace

y

b

y trace

ADCTRGDLY((<

number>[<seconds>]j(EPjOAjDNjUPjAUTOjMAN))j?;

Delays ADC triggering.

Query response:<number

>

ADCTRGSYN

Sets status of

((AUTOjONjOFF))j?;

ADC SYNC OUT

during active (non-free) ADC

trigger mo des.

Query response: AUTOjONjOFF

ADD<destination>,<source 1>,<source 2>;

Adds the sources and sends their sum to the destination.

?;

to

t

eac

from

j

WHITE)

j

factory

the

eep.

sw

h

trace A

calibration

( A-(B+C)

resp

the

resp

UTOPTS

er-p

b

onse:

;

mono

ON

j

trace

onse:

ALIGN((A

Adjusts

Query

ALIGNPRST

Sets

alues.

v

AMB((OFF

Subtract

Query

AMBMC((OFF

oth

Subtract

AMBMCPL

b

((OFFjONj0j1))j?;

MANUAL

j

ositioner

UTOPTS

A

hromator's

c

?;

j

1))

j

0

from trace

B

1

0

j

1))

j

0

j

ON

j

B

trace

trac

j

and

?;

WHITE))

j

table.

king

MANUAL

j

alignmen

with

A

C

trace

Subtract b oth trace B and trace C from trace A, then add the

display line ( (A-(B+C))+DL ).

).

AMBPL

AMC

((OFFjONj0j1))j?;

Subtracts

dierence,

Query resp

trace

and

onse: 0

((OFFjONj0j1))j?;

from trace

B

sends

j

1

the result

A,

adds

to

trace

the

displa

A.

alue

v

line

y

Subtracts trace C from trace A and sends the result to trace A.

j

Query response: 0

1

Programming

Commands 3-19

to

the

AMCPL

((OFFjONj0j1))j?;

Subtract trace C from trace A, then add the display line (

(A-C)+DL ).

AMETER

( (OFFjONj0j1))j?;

Enables a readout of the amplitude of the blank-ahead marker in

the display's message area.

Query response:<number

AMPCOR((<

wavelength>[<wavelength

>

unit>],<amplitude>[DB]f,<wavelength>[<wavelength

unit>],<amplitude>[DB]gjOFFjON))j?;

elengths.

>

units

]

>

av

L

f

<

F

ts to

oin

p

command.

amplitude

to

trace.

predened

<

j

function

velength

a

w

the

>

<

j

DB);

j

o

p

t

the

of

LED

the

trace

measuremen

of

amplitude

<

[

>

ariable

v

>

data

>

w

p

Applies

Query

<

AMPMKR

P

sp

Ma

AMPU

Conv

based on

<

variable

element

<

amplitude-correction

elength

av

<

resp

amplitude

ositions

y

only

<

on

source

ecied

erts

>

source

>

onse:

>

n

<

the

e

b

source

the

::=

<

j

w

g

(X

>

er

b

um

and

left

side

either

with

used

reference

<

[,

>

alue

v

condition

trace

er

b

um

n

<

user-dened

righ

from

>

reference trace>::= TRAjTRBjTRCj<

Query response:<number

at sp

amplitude

,

<

tegration

in

er

eak.

do

?;

j

]

>

reference

the

predened

j

>

ecied w

wnloadable

t

unit

user-dened trace

alue

v

units

trace

>

,

ANNOFF

;

Turns o all display annotation.

ANNOT((OFF

the

urns

T

j

displa

annotation

y

on

or

o.

IP

?;

j

1))

j

0

j

ON

annotation.

j

Query response: 0

APB

;

1

Adds traces A and B, then sends the result to trace A.

Programming Commands

3-20

turns on

the

APBDCTL

((OFFjONj0j1))j?;

(A+B) * DL / C)

AUNITS

((AUTOjMANjDBMjW))j?;

Species the amplitude units for input, output, and display.

Query response: DBMjW

AUTOALIGN

;

Automatically realigns the output ber of the optical spectrum

analyzer's mono chromator with the output b eam.

AUTOMDB((<

ertical

v

Sets

Query

UTOMEAS

A

resp

Automatically

analyzer's

UTOMMKR

A

Causes

to

signal

Query resp

AUTOMOPT((OFF

Control

AUTOMSP((<

number>[DB]jDNjUPjEPjAUTOjMAN))j?;

scale after

<

onse:

the automatic

er

umb

n

>

measurement

;

at

zo

om

in

on

largest

signal

input.

?;

j

1))

j

0

(

(OFF

automatic

the

curren

the

onse:

sensitivity

j

ON

j

measuremen

mark

t

1

j

0

1))

j

0

j

ON

j

optimization

er.

j

?;

routine

t

during

the

number>[<wavelength

procedure.

ectrum

lo

cate

sp

the

optical

to

automeasure

unit>]jDNjUPjEPjAUTOjMAN))j?;

Determines the nal wavelength span set by the automatic

measurement routine.

Query response:<number

>

closest

routine.

UTORNG

A

(

Determines

(0).

Query response: 0

(OFF

whether

j

ON

j

automatic

j

1

?;

j

1))

j

0

disabled

or

ranging

Programming

enabled

is

(1)

Commands 3-21

AVG<destination>,<source>,<average ratio>;

Computes the average value of the source and the destination

and places the value in the destination using the following:

(

new destination

<

average ratio>::=<number>j<predened variable>j<user-

averag e ratio01) (

=

old destination+source

averag e ratio

dened variable>j<predened function>j<trace

element

AXB

Exc

AX

Exc

BIT

Returns

;

hanges con

C

;

hange con

destination

<

>

the

tents

ten

sp

ts

<

,

>

ecied

trace

of

trace

of

source

bit

of

B.

trace

and

A

C.

trace

and

A

;

>

er

b

um

bit n

<

,

>

the

in

1

or

a0

the

source

as

destination.

source

C);

sp

line

>

ecied

from

trace.

trace

the

sends

and

B

bit

<

BLANK

Stores

;

BML

Subtracts

um

n

(TRA

and

er

b

blanks

the

>

TRB

j

displa

::=

<

TR

j

the

y

trace B.

result

)

to

BP

;

Send the \beep" command to the display.

BTC

;

C.

trace

to

B

trace

ts of

ten

(ALL

con

jWLj

tents of

PWR);

trace B and trace C.

which calculate and apply

ransfers

T

;

C

BX

Exchanges con

CAL

Executes error-correction routines

oset values that compensate for instrument anomalies.

Programming Commands

3-22

CALCOR

(ALLjWLjPWR),(0j1jOFFjONj?);

Enables or disables correction factors computed by the CAL

command.

Query response: 0j1

CALDATA

(FIRSTjSECOND)?;

Queries the optical spectrum analyzer for the factory supplied

calibration data for the rst or second grating order. The

calibration data returned is determined by the INSTMODE

setting.

Query response:<wavelength>,<amplitude

unit

er

w

o

p

<

j

[DBM

>

er

b

um

n

the

<

calibration

the

of

er

w

o

p

CALPWR((

ecies

Sp

>

j

DN

]

>

reference

j

UP

used

j

EP))

y

b

the

j

?;

command.

<

>

ber

<

catalog

<

um

n

<

(

a

w

num

w

<

[

used

num

in

haracter

c

>

er

b

elength

v

elength

v

a

calibration

y

b

>

er

b

condensed

a

string

av

w

<

[

of

>

j

]

>

unit

format.

L

f

>

<

F

elength unit

measuremen

UP

j

DN

routine.

haracter

c

j

DN

>

]

range.

t

EP))

j

UP

j

?;

j

string

EP))

j

>

onse:

WL

ecies

ALOG

T

(

the

resp

<

(

resp

?;

the

resp

WL

cen

um

n

velength

a

w

onse:

(

ter

Query

CAL

Sp

Query

CA

Returns

Query

CENTER

Sets

Query response:<number

CHEIGHT

?;

>

er

b

Computes and returns the character heightasapercentage of the

window

Query

height.

resp

onse:

>

er

b

um

n

<

CAL

g

?;

j

CHOP

((OFFjONj0j1))j?;

The CHOP command enables the c

than 40 seconds.

j

Query response: 0

1

hop mo de for sw

Programming

Commands 3-23

eeps greater

CLRDSP

;

Removes all optical spectrum analyzer graphics from the display

and its memory.

CLRW

(TRAjTRBjTRC);

Clear-writes the specied trace.

CLS

;

Sets all bits in the status-byte register to 0.

COMPRESS<trace destination>,<trace

SMP);

j

POS

j

G

V

,(A

>

source

the

of

y

compressed

Stores

a

destination

trace

cop

according

to

the

ecied

sp

algorithm.

destination

trace

<

TRB

j

TRA

CONCAT<

Concatenates

in

y

arra

destination

trace

<

range

trace

<

CONFIG

?;

Returns

indicating

TR

j

trace

the destination.

series

a

mo

>

user-dened

<

j

C

destination

source

>

of

mo

dule

2

::=

ASCI

del

to the

TRA

strings,

I

um

n

>

<

,

end

b

j

trace

TRB

ers

source

of

j

separated

and

>

source

TR

source

trace

<

::=

addresses.

Query response:<character string

>

trace in

::=

>

trace

<

j

<

,

>

1

<

j

C

their

user-dened

a smaller

compression

>

range

;

>

source

1,

2

stores

then

y carriage

b

corresponding

the

>

trace

returns,

MSIB

new

j

CONTS

;

Selects continuous sweep mo de. Selected with IP.

Programming Commands

3-24

CORSEL

((0j1j2j3))j?;

Selects which atness correction table will be applied to the

measurement data.

0 ::= Applies both diode and grating atness correction tables.

1 ::= Applies only diode atness correction table.

2 ::= Applies only grating atness correction table.

3 ::= Applies no atness correction tables.

Query response: 0j1j2j3

CORTOLIM

(UPPERjLOWER);

Transfers AMPCOR data to the specied limit line.

CWIDTH

Computes

windo

Query

DEBUG((OFF

Is

sp

Query

DELETE

Deletes

memory

?;

width.

w

resp

troublesho

a

ectrum

resp

;

curren

.

returns

and

onse:

ON

j

oting

analyzer

onse:

tly

the

b

num

<

FAST

j

aid for

programs.

F

j

OFF

selected

c

>

er

SLO

j

AST

graphics

haracter

1))

j

0

j

W

cating

lo

W

SLO

j

width

?;

j

fault

item

y

from

as

syn

ercen

p

a

tax

displa

in

y

tage

optical

and

of

the

Programming

Commands 3-25

DFB

[(?jBjCjOjQjZ)];

Starts the DFB (distributed-feedback) laser characterization

measurementdownloadable program.

Query response:<peak wavelength>,<wavelength oset>,<stop

band>,<center oset>,<side mo de suppression ratio

(SMSR)>,<peak amplitude>,<bandwidth>,<bandwidth

amplitude

>

Note

When using the DFB command, the rst underscore

()must be inserted as an underscore. The rst

underscore do es not represent a space when using

ou

y

<

j

>

ALL);

j

whic

is

the

not

do

delimiter

is

h

DISPOSE

ariable

>

trace

>

dened

v

string

Clears

erator

op

DISPU

oses of

Disp

<

(

>

ONEOS

j

delimiter

<

or

all

use.

num

<

command.

this

and

space

a

just

y

b

the

from

user-dened

<

j

AMP

j

c

<

j

>

in

of

part

;

>

ber

user men

us.

The

our

y

semicolon

elemen

of

list

function

<

j

COR

haracter

memory

ternal

underscore

hoice

c

if

(;)

ts.

<

j

>

b

um

n

string

from

user-

er

>

,

DIV<destination>,<source 1>,<source 2>;

Divides source 1 by source 2, then sends the result to the

destination.

PW]

j

NW

US

j

MW

j

W

j

DB

j

[DBM

>

er

umb

n

<

DL((

line.

y

displa

the

of

el

lev

display

the

trols

Con

dBm.

are

Query response:

and

<

number

>

follo

list

reserv

DN

j

ed

w

elemen

of

e

mak

><

ed

UP

j

Default

either

y

b

ts

hoice

c

a

haracter

c

for

j

OFF

j

units

or

ON

j

EP))

?;

j

DONE

?;

Returns a 1 to the con

efore the DONE command ha

b

Query response:<number

Programming Commands

3-26

troller when all commands encoun

ve executed.

>

tered

DSPLY<displayvariable>,<eld width>,<decimal places>;

Displays the currentvalue of a variable on the CRTatthe

current position of the graphics pen.

<

displayvariable>::=<eld width>::=<decimal places>::=

<

number>j<predened variable>j<user-dened variable>j

<

predened function>j<trace element

>

DSPMODE

((CATjCONFIGjEXTENDjNORMALjPAGEjSTATE))j?;

Displays catalog of user-memory contents by listing descriptions

of system or mo dule congurations on the display.

Query response: CATjCONFIGjEXTENDjNORMALjSTATE

TE)?;

A

ST

>

string

>

trace

graphics

x

<

umb

n

TR

j

information

el

length

y

<

,

);

>

that

y

displa

min

>

predened

<

j

er

>

function

<

user-dened

C

j

rep

.

::=

according

x

<

,(

>

ositions,

max

x

<

trace elemen

j

<

>

min

magnies,

::=

>

ariable

v

trace

DSPTEXT

Returns

y

displa

Query

WINDO

D

,

>

max

>

min

y

<

Denes

reduces

or

length

x

<

min

y

<

user-dened

<

reference

<

(CA

system-lev

de

mo

onse:

resp

W

(ON

max

y

,

<

alternate

an

graphics

::=

>

::=

>

trace

CONFIG

j

T

ecied.

sp

<

OFF)

j

<

j

)

>

y

<

max

y

<

ariable

v

::=

>

EXTEND

j

mo

or

el

character

x

(

<

j

reference

for

scale

the

on

>

length

::=

>

<

j

>

TRA

dule-lev

length

analyzer

::=

<

predened

TRB

j

ENTER<HP-IB address>,(KjBjW),<destination>;

Establishes the analyzer as a controller on HP-IB.

<

HP-IB address>::=<number>j<predened

variable>j<user-dened variable>j<predened function>j<trace

>

elemen

<

t

destination

user-dened

>

v

<

::=

ariable

trace

>

elemen

<

j

>

t

predened

variable

>

the

to

x

<

,

j

>

t

>

j

ERASE

;

Erases all memory including an

OTECT command.

or PR

y items protected b

Programming

y the PST

ATE

Commands 3-27

ERR

?;

Returns numeric co des that describe the nature of any reported

errors.

Query response:<number>f,<

number>g

EXP<destination>,<source>,<scaling factor>;

Divides source by scaling factor, raises this quotientbya power

of 10, then sends the result to the destination.

<

scaling factor>::=<number>j<predened variable>j<user-

dened variable>j<predened function>j<trace

element

>

FETCH

FFT

FFTKNL<real

?;

Returns

Query

erforms

P

stores

trace.

with

destination

<

user-dened

Performs

the

resp

destination

<

a

log

the

Before

TWNDO

the

a 16-bit

onse:

equal length,

tents

con

<

>

discrete

the

of

executing

::=

>

trace

erla

ov

of trace

data

source

<

,

fast

magnitude

command.

W

source

<

>

<

,

>

discrete

ying

data to

>

byte

windo

<

,

>

fourier

a

FFT,

::=

>

imaginary

fourier

with

them

the con

>

w

transform

result

the

of

windo

trace

windo

<

>

trace

transform

results.

the

troller.

;

source

the

on

destination

the

in

e

b

ust

m

w

TRA

::=

>

w

;

traces

o

w

t

on

resulting

The

traces represent the real and imaginary comp onents of one

complex trace. Scaling, clipping, and so on, must b e done by

user.

<

real trace>::=<imaginary trace>::= TRAjTRBjTRC

<

user-dened trace

;

ormats

F

T

ORMA

F

and

erases

>

the

curren

tly

selected

memory

device.

trace

dened

TRB

j

of

j

TR

j

and

C

j

Programming Commands

3-28

FP

[(?jBjCjGjKjLjOjQ)];

Starts the FP (Fabry-Perot) laser characterization measurement

downloadable program.

Query response:<peak wavelength>,<mean

wavelength>,<mode spacing (M)>,<mode spacing

(Hz)>,<full-width, half-maximum (FWHM)>,<peak

amplitude>,<total power>,<sigma

>

Note

FP MKBW((

the

Sets

Query

FP TH((

or

Sets

signals

only

y

Ma

Query

Note

When using the FP command, the rst underscore

()must be inserted as an underscore. The rst

underscore do es not represent a space when using

this command. The underscore is followed byeither

of

list

the

from

hoice

c

our

y

n

b

just a

um

er

and

semicolon (;)

list

the

>

er

b

laser

erot

b

um

n

<

j

[DB

>

Fabry-P

threshold

with

b

um

n

<

of

[DB

er

X]

the

er

>

j

>

elements.

DN

j

X]

j

elop

v

en

UP

j

DN

laser

erot

used

are

FP

do

ou do

if y

EP))

j

UP

j

bandwidth

e

?;

j

EP))

j

threshold

the

in

wnloadable

mak

not

?;

j

amplitude.

calculations.

command.

aspace

b

from

<

abry-P

F

onse:

resp

num

<

queries the

ethe

ov

ab

used

e

b

onse:

resp

When using the FP TH command, the underscore

()between FP and TH must be inserted as an

underscore. The underscore does not represent

a space when using this command. The FP TH

commnad is followed by either a space and your

question

a

ts,

elemen

of

list

just

the list

the

semicolon

a

elemen

of

(;)

ts.

mak

not

do

ou

y

if

hoice from

c

by

or

from

elemen

c

a

e

mark

ea

ts

hoice

All

hoice

c

or

(?),

FS

;

Activates the widest measuremen

setting start and stop w

avelengths to their minim

maximum values.

t range allow

Programming

yhardw

ed b

um and

Commands 3-29

are,

FUNCDEF<user-dened function name>,((<string data

eld>j<A-block data eld>);j<

I-block data eld>)

Denes a list of analyzer commands that are executed whenever a

user-dened function is encountered.

Query:<user-dened function name>?;

Query response: #A<msb length><lsb length><data byte[s]

>

GATESWP

( (OFFjONj0j1))j?;

Enables time-gated measurements.

Query response: 0j1

);

trace

GRAPH

Displa

(

T

GRA

urns

T

Query

TORDER

GRA

Selects

diraction

MAN mo

(TRA

stored

ys

j

(OFF

graticule

the

onse:

resp

reection

grating.

de

TRB

j

trace data,

j

0

j

ON

0

(

UTO

(A

order

the

ks

c

lo

j

TR

1))

1

j

C

j

?;

on

j

optical

or

MAN))

<

user-dened

j

resized to

o.

optical

of

sp

turns

IP

?;

j

sp

ectrum

>

a dieren

the

on

analyzer's

analyzer

t scale.

graticule.

rst-order

to

in

ternal

in

defraction grating.

AUTO

mo

de

allo

ws

either

rst-order

second-order

or

defraction

grating.

optical

Query returns

a resp

onse

indication

whether

of

the

spectrum analyzer is using rst-order or second-order defraction

grating.

Query response: 1j2

GRATSCRL

Con

((OFFjONj0j1))j?;

ositioning

p

the

trols

of

the

displa

ed

y

horizontal

graticule

lines.

GRID<x dimension

>,<

y dimension

>,<

Draws a grid with the dimensions and # of bo

and has its origin placed as specied b

>

<

x dimension

<

xes>::=<number

#y b o

>

::=<y dimension

>j<

::=<#x b o

predened variable>j<user-dened

variable>j<predened function>j<trace element

Programming Commands

3-30

xes>,

#x bo

y the OR

xes>;

#y b o

<

xes as indicated

command.

xes>::=

>

HD

;

Blanks the active function readout and disables data entry.

Selected with IP.

ID

?;

Returns the model number of the system master (control

module).

Query response: HP70950BjHP70951BjHP70952B

IF<operand 1>,(LTjGTjLEjGEjEQjNE),<operand 2>;

THEN;[<

ELSE

[(

Compares

command

v

elemen

<

1

<

IGEN((

T

if

The

set

command list

command

<

;[

ELSE

erand

op

>

ariable

>

t

IF/THEN

GT

T

j

,(L

>

erand

op

n

<

on

urns

curren

the

curren

the

y

b

>

]

>

list

to

1

erand

op

executed.

is

list

op

<

>

tax

EQ

j

GE

MA

j

[A

>

the curren

statemen

erand

::=

j

<

ENDIF

or

::=

>

1

user-dened

<

j

syn

j

LE

j

;THEN;[

2

>

er

umb

and sets

t-generator, option

source

t

command

range

IGENLIMIT,

<

ELSIF

j

erand

op

Otherwise,

>

2

ariable

v

(

op

<

NE),

command

OFF

j

UA]

j

source.

t

limited

is

IF/THEN

If the

2.

commands

executed.

are

ts

n

<

::=

predened

<

j

>

erand

>

list

j

ON

j

This

installed.

001 is

the

to

whic

syn

condition is

>

er

b

um

)

UP))

j

DN

command

6

200

er absolute

ev

h

)]]

>

tax

follo

predened

j

<

function

?;

j

mA or

less.

Query response:<number

>

ENDIF

true, the

the

wing

<

j

>

alid

v

is

the v

value

;

trace

only

alue

is

IGENDTYCY

((DNjUPj<

percentage>))j?;

Sets the duty cycle of the current generator's pulse mo de. This

command

v

is

alid only

t-generator,

curren

the

if

option

001

installed.

>

er

b

um

<

onse:

Query

resp

IGENLIMIT((<

Sets safet

y limit on curren

valid only if the curren

Query response:

n

number

<

number

>[AjMAj

UA]jDNjUP))j?;

t source's output. This command is

t-generator, option 001 is installed.

>

Programming

Commands 3-31

is

IGENPW((<

number>[SjMSjUS]jDNjUPjEP))j?;

Sets the pulse width of the current generator's pulse mode. This

command is valid only if the current-generator, option 001 is

installed.

Query response:<number

>

INSTMODE

((OSAjPWRMTRjPRESELjSRjPDjPULSE))j?;

Selects an optical spectrum analyzer measurementmode.

Query response: OSAjPWRMTRjPRESELjSRjPDjPULSE

INT<destination>,<source>;

Calculates

the

largest

in

source

the

than

less

is

h

whic

teger

destination.

;

IP

their

for

to

>

future

user-

<

j

<

state.

item

or

n

t

resp

a

um

v

>

an instrumen

n

mo

ariable

P

preset

IT((

Assigns

recall

<

dened

elemen

Query

erform

item

IWINDOW<

>

er

umb

ber

um

dication.

::=

>

er

b

j

>

<

onse:

length

x

t preset

?;

j

))

series

a

to

um

n

<

predened

<

er

b

um

n

y

<

,

>

whic

of

er

>

b

>

length

sets

h

graphics

predened

<

j

function

;

>

functions

all

commands

v

trace

<

j

>

ariable

Varies the size of the graticule and measurement results on the

display. Size is specied in the current scale units (SCALE).

<

x length>::=<ylength>::=<number>j<predened

variable>j<user-dened variable>j<predened function>j<trace

element

>

in

the

KEYCLR

;

Blanks the user-dened (

Programming Commands

3-32

4

USER

5

)k

eys.

KEYDEF<key number>,<key function>(,<delimiter><character

string

><

delimiter>j

Assigns a label and user-dened function to a

<

key number>::=<number>j<trace element>j<operand>j

<

predened variable>j<user-dened variable

<

key function>::=<user-dened function>j<analyzer

command

>

Query response:<user-dened function

?);

4

5

key.

USER

>

KEYPST

;

Presets the user-dened keys to their initial command set.

Q)];

j

O

j

L

j

K

j

C

j

3

o

[(?

w

B

the LED

resp

oin

p

dB

<

,

>

er

t-emitting dio

(ligh

wnloadable program.

tdo

mean

<

onse:

wa

eak

p

<

,

>

ts

(FWHM)

um

ectral

sp

eak

p

using

When

e

b

ust

m

()

underscore

command.

this

and

space

a

semicolon

a

just

y

b

elength

v

a

w

elength

v

width

<

,

>

purity

LED

the

inserted

not

es

do

The

our

y

de) laser

,

>

at

>

command,

as

represen

underscore

hoice

c

if

(;)

eak

<

p

>

,

sigma

<

dB

3

0

underscore.

an

t

from

do

ou

y

haracterization

c

a

w

<

,

>

poin

the

space

a

follo

is

list

the

not

LED

Start

measuremen

Query

0

half-maxim

p

Note

from the list of elements.

LG[(<

number>[DB]jEPjDNjUP)j?];

Species the vertical graticule divisions as logarithmic units

without

division

er

p

Query

hanging

c

resp

is

onse:

the

selected

um

n

<

reference

IP

with

>

ber

Default

el.

lev

.

units

elength

v

full-width,

total

<

,

>

ts

underscore

rst

The

using

when

y

b

ed

w

elemen

of

a

e

mak

dB. 10

are

from

either

ts

hoice

c

or

dB

LIGHT

WHITE( (OFFjONj0j1))j?;

Turns on or o the in

Query response: 0

ternal white light source.

j

1

Programming

Commands 3-33

LIMIAMP((<

number>[DBMj<

power unit>]jEPjDNjUP))j?;

Sets the limit-line segment amplitude.

Query response:<number

>

LIMIBEEP

((OFFjONj0j1))j?;

Sounds a beep when trace data exceeds limit-line test limits.

Query response: 0j1

LIMIBOT

[?];

Activates the last segment of the limit-line table.

Query response:<number

urns

AIL

::=

;

the

;

the

o

editing

;

the limit-line

on

?;

the

resp

es

Do

Exceeds

tire

en

limit-line

softk

limit-line

onse:

exceed

not

the

con

eys

0

1

j

lo

LIMIDEL

Erases

LIMIDONE

T

and

LIMIEDIT

T

LIMIF

Returns

Query

0

1

>

of

ts

ten

editor

the

from

editor.

test results

3

j

2

j

test

er

w

the

whic

displa

limits.

limit.

limit-line

remo

h

.

y

um

as n

table.

es

v

ers.

b

the

limit-line

2 ::= Exceeds the upper test limit.

3 ::= Exceeds b oth upper and lower test limits.

table

LIMIHALF

((UPPERjLOWER))j?;

Selects either the upp er or lower limit line for modication or

creation.

WER

Query

3-34

resp

Programming Commands

onse:

UPPER

LO

j

LIMILINE(<

number>)j?;

Returns the current limit-line parameters for future recall or

build a new limit line.

Query response:<character string>consisting of LIMILINE,

LIMIREL, LIMIHALF, and LIMISEG commands, which restore

the limit-line table.

LIMINEXT

;

Activates the next limit-line segment.

LIMIRCL(<

ariable

v

Recalls

LIMIREL((OFF

Determines

referenced

Query

LIMISAV(

ariable

v

es

v

Sa

LIMISCRL(<

Scrolls

segmen

Query

LIMISDEL

number>j<predened variable>j<user-dened

trace elemen

j

<

j

>

limit

resp

<

j

<

>

the con

the

predened

that

lines

ON

j

whether

reference-lev

the

to

j

0

onse:

er

umb

n

predened

ts

ten

ber

um

n

limit-line

e

activ

function

1))

j

0

j

limit

1

<

j

>

function

a

of

>

)

>

een previously

b

e

v

ha

?;

j

v

line

el

predened

j

>

limit-line

?;

j

segmen

alues

and

v

trace

<

table

t

are

cen

ariable

elemen

in

from

absolute

ter-w

j

>

user

the

t.

>

er

b

um

n

<

onse:

resp

;

);

t

>

stored b

or

elength

v

a

user-dened

<

);

>

t

memory

current

y LIMISA

e

relativ

settings.

.

active

Deletes the currently active limit-line segment.

LIMISEG<wavelength>,<amplitude>,(SLOPEjFLATjPOINT);

the

limit

a

characteristics

the

ecies

Sp

limit-line

<

w

table.

avelength>::=<amplitude>::=<number

variable>j<user-dened v

element

>

of

ariable>j

predened function

line

that

is

>j<

stored

in

predened

>j<

trace

V.

Programming

Commands 3-35

LIMITEST

( (OFFjONj0j1))j?;

Compares active trace data to limit-line parameters.

Query response: 0j1

LIMITYPE

( (SLOPEjFLATjPOINT))j?;

Species the limit-line segmenttype.

Query response: SLOPEjFLATjPOINTjNA

LIMIWL((<

number><wavelength unit>jDNj

UP))j?;

Sets the wavelength of the currently active limit-line segment.

Query response:<number

LIMTOCOR

ransfers

T

LINES((ON

Connects

Query

LINET[(

ariable

v

Sets

parameter

LN[(V

Activ

>

the

W)

j

ates

resp

<

j

(UPPER

limit-line

OFF

j

b

lines

onse:

er

b

um

n

predened

<

yp

t

line

omitted,

is

?];

j

linear

the

1))

j

0

j

w

et

1

j

0

<

>

j

used for

e

>

WER);

LO

j

to

data

?;

j

displa

een

predened

function

plots, traces,

line

the

y

displa

amplitude-correction

ts.

oin

p

trace

ed

y

user-dened

<

j

>

ariable

v

mo

<

j

trace

elemen

t

>

is set

ype

t

de.

and

to

con

graticules.

>

tin

data.

];

uous.

Query response: VjW

LOAD<delimiter><character

string><delimiter>[,(TRAjTRBjTRCj<

user-dened

trace>)];

consists

that

le

I

ASCI

Loads

optical

in

to

sp

ternal

in

ectrum

memory

analyzer

any

commands.

the

If

of

Programming Commands

3-36

LOG<destination>,<source>,<scaling factor>;

Computes the logarithm of the source, multiplies it by the scaling

factor, then stores the result in the destination.

<

scaling factor>::=<number>j<predened variable>j

dened variable>j

MDS

((B<scaling factor>)jW))j?;

predened function>j<trace element

user-

>

Sets the measurement data size for binary output trace data

(TDF B, I, or A) to either BYTE (B) or WORD (W).

<

scaling factor>::=<number>j<predened variable>j<user-

trace

<

j

dened

elemen

Query

MEAN

Calculates

Query

MEASU

Con

on

<

function

<

v

>

t

resp

(TRA

resp

source

<

parameter-unit

erts

v

trace

the

source

trace

predened

j

>

elemen

trace

reference

onse:

j

TRB

j

mean v

the

onse:

trace

conditions

::=

>

ariable

v

>

t

>

trace

<

TR

<

n

num

::=

<

j

>

ariable

Query response:<number

predened

>

er

b

um

user-dened

<

j

C

alue of

>

er

b

reference

[,

<

>

values

the

of

er

b

um

n

<

user-dened

<

j

>

TRB

j

TRA

>

function

the

reference

[DBM

>

trace

source.

trace

measuremen

to

trace.

j

DB

ariable

v

<

j

C

TR

j

trace

<

j

>

]?;

>

t-unit

er

w

o

p

j

<

j

>

user-dened

>

range

alues

v

j

]

>

unit

predened

trace

)?;

>

based

MEASURE

((SAjSRjSRMILCPL))j?;

Selects the measurement mode of either spectrum analysis or

stimulus response.

Query

MEM

Returns the amount of allo catable memory a

Query response:

MIN<destination>,<source 1

Compares source 1 and source 2, poin

resp

?;

vailable in b

<

number

>

>,<

source 2

tb

>

;

t, and sends the

ypoin

SRMILCPL

j

SR

j

SA

onse:

lesser value of each comparison to the destination.

Programming

Commands 3-37

ytes.

MINH

(TRAjTRBjTRC);

Updates each trace element with the minimum level detected.

MK<x co ordinate>,<y co ordinate>;

Places a marker at the specied coordinates which are either in

the current scaling units or in display window units.

<

x co ordinate>::=<y co ordinate>::=<number>j<predened

variable>j<user-dened variable>j

<

trace element

>

predened function>j

MKA(<

Sp

Query

MKA

Selects

Query

MKAL((

Activ

amplitude

Query

MKAR((

Activ

amplitude

Query

MKBW

number[DBjDBMj<

amplitude

the

ecies

onse:

resp

b

um

(

resp

ates

resp

ates

resp

(

one

<

n

<

of v

onse:

um

n

mark

of

onse:

um

n

mark

of

onse:

ber

er

mark

er

b

er

mark

CT

((ONjOFF))j?;

um

n

<

EP

j

>

er

e mark

num

<

DB]

j

[X

>

#2 and

#1.

er

um

n

<

j

[X

>

and

#3

#1.

er

um

n

<

power unit>])j?;

activ

the

of

>

er

b

UP))

j

DN

j

the

as

ers

>

er

b

DN

j

EP

j

ositions

p

>

er

b

j

DN

EP

j

DB]

ositions

p

>

er

b

e

?;

j

activ

UP))

j

it

j

UP))

it

mark

e

?;

j

on

?;

j

on

er.

mark

trace

a

a trace

er.

relativ

relative

to

e

to the

Displays the wavelength dierence b etween markers #2 and #3,

even if the markers are not displayed.

Query resp

MKBW

onse:<number

um

(

n

A

<

(

>

er

b

Displays a signal's bandwidth at a user-sp

DB

>

?;

j

UP))

j

DN

j

ON

j

OFF

j

>

ber

um

n

<

j

ecied amplitude belo

the signal's peak.

Query response:

<

number

>

the

w

MKCONT

;

Enables the sweep to continue past the marker.

Programming Commands

3-38

MKCWL

;

Sets center wavelength equal to wavelength at the marker.

MKD[(<

number>[<wavelength unit>j<time unit>]jEPjDNjUP)];

Positions a marker relative to the reference marker, according to

wavelength.

MKDACT

?;

Report which marker is the currently active delta marker.

MKDREFA

Sp

MKDREFF(<

?);

j

Set

in

if

MKMIN

Mo

MKN[((

>

unit

Places

Query

MKNOISE((OFF

((XjDBjDBMjWjMWjUWjDM))j?;

um

reference

>

er

b

[(M

MM

j

marker

the

ecies

general reference

the

span).

zero

general

n

;

the

to

er

mark

active

the

es

v

elength unit

v

a

w

<

[

>

er

b

um

n

<

?];

j

UP))

j

DN

j

EP

j

]

the

at

er

mark

e

activ

the

>

er

b

um

n

<

onse:

resp

?;

j

1))

j

0

j

ON

j

mark

UM

j

to

minim

sp

er's

NM

j

sp

a

um

<

j

>

ecied

amplitude.

ANG

j

PM

j

v

a

w

ecic

detected.

alue

v

time

velength.

a

w

j

MS

j

S

elength

j

US

(or

Displays or returns the noise level at the displayed, active

marker.

Query response: 0j1

j

SC)]

j

time

MKOFF[ALL];

mark

all

o

urns

T

MKP((<

<

predened function

number

Species the horizon

units.

Query response:

activ

the

or

ers,

>j<

predened v

>j<

trace elemen

tal position of the activ

<

number

>

er.

mark

e

ariable>j<user-dened v

t>))j?;

er, in position

e mark

Programming

Commands 3-39

ariable>j

MKPABS<number>;

Sets the current active delta marker to the bucket requested.

MKPAUSE((<

number>[<time unit>]jEPjDNjUPjONjOFF))j?;

Pauses the sweep at the active marker for the specied length of

time.

Query response:<number

MKPITX(<

number>[DB]j(EPjOAjDNjUP))j?;

>

Control the excursion value for marker pit operations.

MKPK

NM

MKPX((

MKREAD((FR

MKRL

[(CPjCPITjHIjHIPjMIjMIPITjNHjNHPITjNLjNLPIT

j

NRPIT)];

j

the

resp

NR

activ

um

n

<

the

mark

onse:

yp

t

the

readout

queries.

onse:

emark

er

>

b

minim

eak

er-p

<

WLN

j

Q

of

e

and

WLN

er at

EP

[DB]

j

signal

um

functions.

b

um

n

PER

j

e

activ

queried

PER

j

ap

>

er

trace

j

eak (or

UP))

j

DN

excursion

j

SWT

j

information

with

SWT

j

IST

the

IST

j

pit)

j

the

on

?;

signal

for

UTO))

A

j

displa

MKWL?,

j

?;

the

NMPIT

j

osition

P

ecies

Sp

and

Query

Selects

marker

the MKA?

Query resp

;

trace.

iden

ed

y

MKT?,

tication

the

y

b

Sets the reference level equal to the absolute amplitude of the

displayed activemarker.

j

and

MKSP

;

Sets the span equal to the wavelength dierence of the markers.

;

MKSS

v

a

w

to the

equal

size

cen

the

Sets

dierence b et

MKSTOP

;

Ends the sw

Programming Commands

3-40

elength

v

a

ter-w

ween the delta mark

eep at the curren

step

t activ

ers.

emark

er.

elength

MKT((<

number>[<time unit>]j<

predened variable>j<user-

dened variable>j<predened function>j<trace element>))j?;

Positions marker in units of time.

Query response:<number

>

MKTRACE

((TRAjTRBjTRC))j?;

Moves the displayed, active marker to a corresponding position

on the specied trace.

Query response: TRAjTRBjTRC

MKTRACK

Main

w

in

Query

MKTUNE((

Fix

v

a

w

generates

HP

Query

MKTV((

ecies

Sp

mark

Query

MKTYPE

((OFFjONj0j1))j?;

mark

the

tains

elength

v

a

resp

tunes

elength.

71451B

resp

er-trac

resp

span.

onse:

num

<

optical

the

If INSTMODE

error

an

(or

onse:

er

b

um

n

<

amplitude

the

king

onse:

?;

ed

1

j

0

><

ber

spectrum

message.

HP 70951B).

the

um

n

<

[DB]

>

function.

um

n

<

at

signal

elength

v

a

w

is

This command

>

er

b

DN

j

EP

j

ariance

v

>

er

b

ter

cen

unit

analyzer

set

not

j

UP))

monitored

a

w

>

to

j

?;

elength

v

UP))

j

DN

j

ecied

sp

a

PRESEL,

alid

v

is

the

y

b

during

?;

j

MKTUNE

only

Returns the currenttype of active marker.

Query response: AMPRjAMPLjDELTAjPSN

hanges

c

for

the

MKWL((<

osition

P

mark

Query response:

number>[<wavelength unit>]jDNjUP))j?;

the

to

er

mark

e

activ

elength.

v

a

w

er

<

number

>

MOD<destination>,<source 1

Divides source 1 b

y source 2 and places the remainder in the

destination.

sp

>,<

ecied

source 2

Programming

velength,

a

w

>

;

or

return

the

Commands 3-41

MODADD[<

module reference number>[,ROWj,COLUMN]]?;

Returns the HP-MSIB address of the specied module.

<

module reference number>::=<number>j<predened

variable>j<user-dened variable>j<predened function>j<trace

element

Query response:<number>or<row>,<column

>

MODID<row>,<column>?;

Identies the module or instrument located at the specied

HP-MSIB address.

<

row>::=<column>::=<number>j<predened variable>j

elemen

trace

<

>

user-dened

<

Query

resp

onse:

ariable

v

<

umb

n

predened function

j

<

>

er

>

j

>

t

the

source

sho

y

1),#A

j

;

>

source

<

,

>

1

2,

in

wn

including

,

ed.

y

<

the

to

source

oin

p

message

the

msb

destination.

;

>

2

oin

p

y

b

t

UNCAL

the

length

area

><

t,

lsb

then

on

and

length

source

<

,

>

ts

ten

con

>

source

1

destination.

haracters

c

they are

onse: (0

of

source

<

,

and

displa

1),(0

j

Mo

v

destination

the

es

destination

<

MOV<

MPY

Multiplies

the

in

result

MSG

?;

Returns the

spectrum

analyzer

messages if

Query resp

byte[s]

>

MSI

((INTjHPIB[,<HP-IB address>[.[<drive unit>[<volume>]]]]

MSIB[,<number>]))j?;

Selects the user-memory lo cation for storing les.

::=

>

olume

v

<

::=

>

unit

e

driv

<

HP-IB

<

Query

address

resp

onse:

MXM<destination>,<source 1

Compares source 1 and source 2, poin

greater v

alue of eac

::=

>

HPIB,

j

er

>

b

um

n

<

MSIB,

j

INT

tb

>

ypoin

>,<

source 2

h comparison to the destination.

b

um

n

<

;

t, and sends the

stores the

optical

the

UNCOR

><

digit

<

>

er

data

j

>

Programming Commands

3-42

MXMH

(TRAjTRBjTRC);

Updates each trace element with the maximum level detected.

NORM

((OFFjONj0j1))j?;

Controls trace normalization for stimulus-response measurement.

NSTATE((<

number>jEPjDNj

UP))j?;

Sets the number of state register les available for information

storage.

Query response:<number

j

0

j

ON

ONEOS((OFF

j

?;

j

>

eld

k

c

I-blo

<

Executes

Query

ONMENU((OFF

j

?;

j

>

eld

k

c

I-blo

<

Denes

j

eld

data

sp

the

onse:

resp

data eld

list

the

>

ecied

A-blo

<

ON

j

>

functions executed

of

>

string

<

j

1))

command(s)

k

c

<

j

1))

0

j

data

string

data

format

data

eld

at

>

the

>

eld

when

<

j

end

>

the

A-blo

of

A-blo

<

j

4

MENU

ev

c

k

ery

data

sw

k

c

k

5

eep.

data

ey

pressed.

Query

ONMKR((OFF

eld

I-blo

<

resp

data

k

A-blo

c

<

>

j

eld

data

string

<

j

1))

j

0

j

ON

j

?;

j

>

eld

data

k

c

>

format

data

k

c

A-blo

<

onse:

Denes the list of functions executed when the sweep reaches the

pause marker.

Query response:<A-block data format

>

is

ONUSER

eld

I-blo

<

((OFFjONj0j1))j<

j

?;

j

>

data

k

c

Denes the

pressed.

Query response:

eld

list

>

functions

of

<

A-bloc

string data eld>j<A-block data

4

the

executed

k data format

when

>

Programming

5

k

USER

Commands 3-43

ey

is

ONWINDOW

( (OFFjONj0j1))j<

string data eld>j<A-blockdata

eld>j?;j

<

I-block data eld

>

Denes the list of functions executed when the display windowis

recreated.

Query response:<A-block data format

OP

?;

>

Returns the values of P1and P2for the current instrument

window scale.

Query response:<p1x>,<p1y>,<p2x>,<p2y

?;

j

EXT))

(EXT)

MONOCHR

71451B

HP

onse:

resp

>

p

the

scale

t

::=

>

j

or

INT

oset

y

,

<

osition

units

y

<

ariable

v

deactiv

INPUT

(or the

j

EXT

>

graphics

of

set.

oset

>

ates

TOR

OMA

HP

;

::=

>

predened

<

j

(INT)

OUTPUT

ports.

70951B).

the

on

umb

n

<

the

This command

displa

er

function

OPTSW((INT

ates

Activ

panel

t

fron

PHOTODETECTOR

the

for

Query

oset

x

OR

<

Osets

curren

the

oset

x

<

user-dened

<

HP

predened

<

j

>

70951A's

and

relativ

y

trace elemen

<

j

>

is

e

alid

v

to P

ariable

v

1

only

in

,

j

>

t

>

er

>

umb

<

n

j

F

KL

j

C

K

j

,(K

k

data

>

eld

predened

<

j

>

ariable

v

OUTPUT

eld

data

>

HP-IB

<

j

A-blo

address

c

dened variable>j<predened function>j<trace

element>);j<

I-block data eld>)

Establishes the optical spectrum analyzer as a controller on

HP-IB. RELHPIB releases this capability. The data is output

according to

W

VR

O

(TRA

the sp ecied format options (K, KC, KL, F).

C);

TR

j

TRB

j

Enable clear-write mode, but skip the initial clear.

Programming Commands

3-44

),((

>

string

<

j

user-

PA

[(PDjPU)]<x co ordinate>,<y co ordinate>f

<

x co ordinate>,<y co ordinate>g

;

,[PDjPU]

Moves the graphics pen from its current position to the position

specied. If the p en is down, a line is drawn on the display.

<

x co ordinate>::=<y co ordinate>::=<number>j<predened

variable>j<user-dened variable>j<predened function>j

<

trace element

>

PAUSE

;

Stops all processing of remote commands and activates the debug

mode. Program operation resumes when the

pressed,

the

4

INSTR

PRESET

is

ey

k

5

CONT

or

the

softkey is

input

buer

cleared.

;

PD

wn.

>

::=

>

<

,

<

j

en do

>

source

density

y

destination.

to the

>

source

>

er

b

um

n

predened

resolution

<

,

amplitude

in

TRA

::=

predened v

<

j

function

>

TRB

j

>

;

of

j

ariable

trace

<

the

TRC

ecied

sp

user-dened

<

j

user-

<

j

>

Places

PDA<

Finds

and

destination

<

trace

resolution

<

dened

elemen

PDL

;

graphics p

the

destination

probabilit

the

sends

>

ariable

v

>

t

result

::=

Starts the PDL downloadable program and loads the related

commands.

PDLCALC

Performs

;

calculation and displays polarization dependent loss.

is

source

PDLDEV

Toggles bet

PDL DEV

Returns the curren

;

ween an optical or electrical receiv

?;

t status v

internal (0) or external (1).

Query response: 0j1

alue of the receiv

Programming

e device.

e device to be either

Commands 3-45

PDLEXIT

;

Terminates the polarization dependent loss (PDL) measurement

program.

PDLINIT

;

Initializes the polarization dependent loss (PDL) measurement

procedure.

PDLREV

;

Displays the polarization dependent loss (PDL) measurement

program revision number.

PDL REV

Returns

program

Query

PDLSCALE

Automatically

dep

PDLSR

T

PDL SR

Returns

Query

PDMEAS

?;

olarization

p

the

onse:

n

<

revision

resp

;

scales

loss (PDL)

t

enden

;

C

internal

the

oggles

?;

C

source

t

ligh

the

j

0

onse:

resp

((OFFjON)[ (PDjPU)];

dep

er.

b

um

er

b

um

n

displa

the

measuremen

white ligh

status;

1

>

enden

ed

y

source

t

0

(PDL)

loss

t

signal

t.

on

indicates

during

and

o

measuremen

olarization

p

a

o.

indicates on.

and 1

Measures the atness of a photo diode under test. This command

is only valid for the HP 71451A (or the HP 70951A).

t

(

WL

PD

Analyzes

wa

Programming Commands

3-46

destination

<

(

the

velength.

trace

distribution

source

<

),(

>

of detected

trace

signals

));

>

according

to

PEAKS<destination>,<source>,(AMPjWLN)?;

Sorts signal peaks bywavelength or amplitude, stores the

horizontal position of each p eak in the destination, then

computes the number of p eaks found.

<

destination>::=<source>::= TRAjTRBjTRCj<

trace>j<trace range

Query response:<number

>

user-dened

PEN(<

<

predened function>j<trace element>);

number>j<predened variable>j<user-dened variable>j

Species the pen number that corresponds to a color.

artially

the

;

erases

es

Do

using

n

<

um

n

ternal

in

erase

not

PROTECT.

>

ber

um

ber

memory

EP

j

settings

UP

j

DN

j

traces

and

functions

or

OFF

j

to

optical

ON))

j

sim

e

b

ectrum

sp

v

ha

that

?;

j

ultaneously

analyzer

een

b

e

displa

PERASE

P

settings.

protected

PERSIST((

Sets

onscreen.

Query

PLOT[<

Plots

prin

<

function>j<trace element

resp

P

X

1

optical

the

ter.

P

::=

>

X

1

predened

<

,

>

<

ariable

v

P

sp

P

Y

1

>

Y

1

ectrum

>

P

<

,

2

<

::=

user-dened

<

j

>

<

,

>

X

analyzer

P

>

X

2

P

2

::=

>

Y

displa

<

v

];

y

P

>

Y

2

ariable

on

::

>

plotter

a

n

<

=

predened

<

j

um

or

b

er

>

er

b

um

n

<

onse:

POSU<source>[,<reference trace>]?;

Converts wavelength or time values to p osition units based on the

trace conditions

>

source

<

j

>

ariable

v

<

trace elemen

<

reference trace

Query response:

of the reference trace.

>

er

b

um

n

<

::=

user-dened

<

t

>

::= TRA

<

number

DBM

j

[DB

ariable

v

j

TRBjTRCj<

>

<

j

predened

<

j

>

unit

er

w

o

p

function

user-dened trace

predened

<

j

]

j

>

ed

y

j

>

Programming

Commands 3-47

POWERON

((IPjLASTjRECALL))j?;

Determines the instrument state of the optical spectrum analyzer

when p ower is applied.

Query response: IPjLAST

PR

[PDjPU]<x co ordinate>,<y co ordinate>f

<

x coordinate>,<y co ordinate>g

;

,[PDjPU]

Moves pen to coordinate relative to the current pen position.

<

x co ordinate>::=<y co ordinate>::=<number>j<predened

variable>j<user-dened variable>j<predened function>j

<

trace element

PREFX

Changes

OTECT(<

PR

dened

ariable

v

>

string

Protects

ternal

in

of

This

Query

TE

A

PST

Protects

the

y

b

delimiter

<

trace

ONEOS

j

>

delimiter

<

command

resp

(

STOR,

>

haracter

c

><

prex

le

the

user-dened function

<

user-dened

j

>

AMP

j

con

tire

en

memory

is

onse:

ON

j

(OFF

state-register

NST

haracter

c

<

>

j

tents,

against

defeated

1

j

0

1))

j

0

j

TE,

A

COR

les

that

selected

b

?;

j

or

string

ties

iden

umb

n

<

j

string

erasure,

ERASE.

y

acciden

from

VES

SA

delimiter

><

user-memory

user-

<

>

j

>

er

ALL),(OFF

j

>

alues,

v

erwriting,

v

o

tal

command.

delimiter

<

user-dened

or

erasure

;

>

tries.

en

><

ON

j

redenition.

or

haracter

c

j

1

j

0

j

functions

erwriting

v

o

Query response: 0j1

?);

PU

;

Lifts up the graphics pen.

delimiter

<

(

GE

PUR

k

c

I-blo

<

j

);

>

eld

Erases les from in

protection by the PST

Programming Commands

3-48

><

data

haracter

c

eld

string

>

ternal or external memory

ATE and PR

OTECT commands.

delimiter

, regardless of

data

k

c

A-blo

j

<

>

PWRBW<source>,<percentage>?;

Computes the bandwidth that contains a p ercentage of the total

measured p ower.

<

source>::= TRAjTRBjTRCj<

range

>

<

percentage>::=<number>j<predened variable>j<user-

user-dened trace>j<trace

dened variable>j<predened function>j<trace

element

Query response:<number

RB((

Sets

Query

RBR((

Sets

<

n

the

<

the

>

er

b

um

resolution

onse:

resp

b

um

n

ratio b

>

er

<

[

>

etw

elength

v

a

w

bandwidth.

b

um

n

<

DN

j

EP

j

the

een

>

unit

>

er

UP))

j

resolution

UTO))

A

j

MAN

j

UP

j

DN

j

EP

j

]

>

?;

j

span

bandwidth

and

settings.

>

er

b

num

<

onse:

Query

CLD(<

R

predened

<

Recalls

mass

resp

um

n

function

the

storage

ber

con

device.

>

ten

<

j

>

ts

predened

trace

<

j

program

a

of

ariable

v

elemen

t

le

>

);

from

user-dened

<

j

curren

the

ariable

v

tly selected

?;

j

>

CLS(<

R

predened

<

um

n

j

>

er

b

function

predened

<

trace

<

j

>

variable

elemen

>

);

>

t

<

user-dened

j

variable

Recalls the contents of a state-register le from the selected mass

storage device.

RCLT(<

<

predened function>j<trace element>);

Recalls

number>j<predened variable>j<user-dened variable>j

the

con

ten

selected

the

from

le

trace

a

of

ts

mass storage

device.

RCLU(<

<

predened function

number

Recalls the con

>j<

predened v

>j<

tents of a

trace elemen

ariable>j<user-dened v

4

5

key le from the selected mass

USER

storage device, erasing the previous men

t>);

u.

Programming

ariable>j

Commands 3-49

j

>

READMENU<user-dened variable>,<key number>,<key lab el

f<key number>,<key lab el>g

;

Assigns a series of key labels to form a menuofkeys that can b e

accessed with the

<

key number>::=<number>j<predened variable>j<user-

4

USER

5

key.

dened variable>j<predened function>j<trace

element

<

>

key lab el>::=<delimiter><character string><delimiter

>

RELHPIB

;

Releases HP-IB control by the optical spectrum analyzer.

g

>

REPEA

UNTIL

<

;

T

n

<

(

command

>

er

b

um

<

[

list

units

<

f

>

command

<

j

]

list

predened

ariable

v

<

>

j

dened

trace

GE

j

ariable

v

list

a

op

then

encoun

EQ

j

eration

elemen

n

<

NE),(

j

user-dened

<

>

j

of commands

satised.

is

the

of

the

returns

to

tered.

b

um

un

curren

j

]

>

units

<

[

>

er

elemen

trace

<

j

>

ariable

v

ecied

the

function

sp

user-dened

condition

the

til

erating

op

tly

where

t

oin

p

>

ariable

v

j

GT

j

T

(L

predened

<

eats

Rep

UNTIL

RETURN

terrupts

In

function,

originally

?;

REV

<

j

LE

command

;

),

>

t

Returns the revision number of the lo cal-oscillator rmware.

Query response:<number>in YYMMDD format

RL((<

number>[DBjDBMj<

Sets the

Query

absolute amplitude value of the reference level.

onse:

resp

power unit>]jEPjDNjUP))j?;

>

er

b

um

n

<

user-

after

as

w

);

>

t

the

RLPOS((<

number

Sets the reference lev

>jEPjDNjUP))j?;

el p osition in terms of graticule units from

top of screen (10 = top; 0 = bottom).

<

Query response:

Programming Commands

3-50

number

>

RMS

(TRAjTRBjTRCj<

user-dened trace>j<trace range>)?;

Computes the root-mean-square value of a trace, in measurement

units.

Query response:<number

>

ROFFSET((<

number>[DB]jEPjDNjUP))j?;

Osets all amplitude readouts on the display without aecting

the trace data.

Query response:<number

RQS((<

predened

<

Denes

Query

SA

ariable

v

Stores

traces

SA

ariable

v

Sa

state-register

SA

number>j<predened variable>j<user-dened variable>j

ber

lines

on the

er

b

le

er

b

>

that

n

<

j

>

and

<

j

>

optical

t

on

<

j

>

resp

VED(<

j

>

limit

in

VES(<

j

>

the

es

v

VET(<

function

conditions

onse:

num

<

predened

le

a

um

n

predened

<

curren

um

n

>

))

>

t

elemen

trace

<

j

>

ariable

v

<

j

computer

trace

terrupt

in

>

er

b

um

predened

function

user-dened functions,

storage

selected

predened

function

the

predened

mass

>

ectrum

sp

selected

ariable

v

trace

<

j

mass

ariable

v

analyzer

storage

?;

j

op

user-dened

<

j

>

elemen

device.

user-dened

<

>

j

elemen

state

user-dened

<

j

>

eration.

);

>

t

ariables,

v

);

t

>

in

device.

k

the sp

variable>j<predened function>j<trace element>);

Stores the contents of trace A in a user-memory le on the

selected mass storage device.

eys,

and

ecied

SAVEU(<

ariable

v

Stores

number>j<predened variable>j<user-dened

elemen

trace

<

j

k

eys

in

>

the

on

le

a

<

j

>

the

predened

user-dened

function

device.

>,<

SCALE<x min

>,<

xmax

>,<

ymin

ymax

Scales the optical spectrum analyzer displa

>

::=

>

<

xmin

::=<xmax

::=<number

>j<

predened v

>

::=<ymin

ariable>j<user-dened

<

variable>j<predened function>j<trace element

Programming

);

t

>

selected

>

;

y for dra

ymax

>

Commands 3-51

storage

mass

wing graphics.

SENS((<

number>[<power unit>]jDNjUPjEPjAUTOjMAN))j?;

Selects the input sensitivity level.

Query response:<number

>

SER(<

eld>j

delimiter><character string><delimiter>j<A-blockdata

?);j<

I-block data eld

>

Returns or stores the serial number of the HP 70950A or the HP

70951A.

Query response:<A-block data format

>

SMOOTH<source>,<number of points>;

trace.

a

of

el

TRB

j

>

mo

elength

v

a

umb

n

source

<

,

::=

>

ro

lev

j

de.

ot

j

TRC

j

um

n

<

predened

<

unit

span.

>

er

;

>

the

of

user-dened trace

<

predened

j

>

er

b

function

UP))

j

DN

j

EP

j

]

>

are

source

units

and

stores the

Default

j

>

j

variable

trace

<

?;

j

meters.

trace

<

elemen

result in

>

oths

Smo

source

<

>

range

um

n

<

user-dened

<

SNGLS

;

Selects

n

<

SP((

ecies

Sp

Query

SQR

destination

<

Computes

destination.

the

SRINPUT

amplitude

the

TRA

::=

>

ts

oin

p

of

er

b

ariable

v

eep

sw

single

w

<

[

>

er

umb

elength

v

wa

the

<

onse:

resp

>

square

the

( (DIODEjNORMAL))j?;

Select input for stimulus-response measurements.

Query response: DIODEjNORMAL

j

>

t

umb

n

<

SRQ(

predened

<

function

Sets bit(s)

request.

SS((<

number

Sets the cen

Query resp

Programming Commands

3-52

predened

<

j

>

er

<

>

j

in the status-b

>[<

wavelength unit

avelength step size. Default units are meters.

ter w

onse:<number

v

>

t

elemen

trace

yte register to sim

>]jEPjDNjUPj

>

);

ulate a service

MANjAUTO))j?;

user-dened v

<

j

>

ariable

j

>

ST((<

number>[<time unit>]jEPjDNjUPjMANjAUTO))j?;

Species the rate that the optical spectrum analyzer sweeps the

current measurement range. Default units are seconds.

Query response:<number

>

STARTUP

((AUTOjMAN))j?;

Controls the start up conguration operation of the optical

spectrum analyzer.

Query response: AUTOjMANjONCE

STARTWL((<

the

Sets

Query

(#A

TE

A

ST

ransmit

T

Query

length

msb

<

?;

STB

Returns

Query

STDEV

(TRA

Returns

measuremen

in

Query

STOPWL((<

number>[<wavelength unit>]jDNjUPjEP))j?;

data

length

>

trace

ecied

sp

to

t

b

>

yte[s]

or

j

w

start

onse:

resp

msb

<

all instrumen

onse:

resp

><

alue

v

the

onse:

resp

TRB

j

standard

the

t

onse:

resp

elength

v

a

um

n

<

><

length

t-state information

<

msb

#A

lsb length

the

of

um

n

<

C

TR

j

deviation

units.

um

n

<

the

of

>

er

b

length

lsb

length

data

><

status-b

>

er

b

user-dened

<

j

>

er

b

measuremen

><

lsb

><

yte[s]

b

register.

yte

the

of

number>[<wavelength unit>]jDNjUPjEP))j?;

range.

from

ST

>

<

trace

>

A

Sets the stop wavelength of the measurement range.

Query response:<number

>

?);

j

computer.

a

TE

#A

range

>

amplitude

)?;

STOR

dened

j

((S

function

user-dened

<

j

>

name

le

<

L),

j

U

trace>j<character string

dened trace>));

<

le name>::= (

<

character string

delimiter><character string

>

)

D,

j

>

>)]jT,<

le name

<

ariable

v

le name

[,(ONEOS

>

user-dened

<

j

>

,(TRAjTRBjTR

Programming

user-

<

j

Cj<

><

delimiter>j

Commands 3-53

user-

STORREF

THRU;

Store through references for stimulus-response measurements.

This command is valid only for the HP 71451B (or the HP

70951B).

SUB<destination>,<source 1>,<source 2>;

Subtracts source 2 from source 1, pointby point, then stores the

result in the destination.

SUM

(TRAjTRBjTRCj<

user-dened trace>j<trace range>)?;

Returns the sum of the trace amplitudes in measurement units.

>

er

b

um

n

<

onse:

Query

SUMSQR

Returns

measuremen

Query

SWEEP((OFF

Stops

Query

resp

the

resp

(TRA

sum

the

t

onse:

optical

onse:

TRB

j

units.

ON

j

TR

j

the

of

b

um

n

<

?;

j

1))

j

0

j

spectrum

1

0

j

user-dened

<

j

C

square

>

er

analyzer

of

the

trace-p

from

trace

sw

<

j

>

amplitudes

t

oin

eeping,

range

trace

immediately

>

in

)?;

.

the

resp

B

j

?;

I

j

onse:

M

j

curren

P))

j

eep mo

tsw

CONTS

?;

j

de.

SNGLS)

j

SWPMODE

Return

Query

TDF((A

Formats trace information for return to the controller.

A

B

I

M

P

Query resp

TEST

Executes a self test of the instrumen

Programming Commands

3-54

represents an absolute block data eld.

represents binary values in measurement units.

represents an indenite block data eld.

represents ASCII-decimal values in measurement units.

in

alues

represen

example,

onse: A

ASCII-decimal

ts

olts, and

v

dBm,

jBjIjMj

P

v

on).

so

;

t.

absolute

units

(for

TEXT(<

eld>);j<

delimiter><data byte[s]><delimiter>j<A-block data

I-block data eld

>

Writes text on the optical sp ectrum analyzer display.

TH((<

number>[DBjDBMj<

wavelength

unit>]jEPjDNjUPjOFFjON))j?;

Blanks signal responses below the sp ecied threshold level.

Default units are dBm.

Query response:<number

THREED((<

urns

T

Query

THREEDH((

Select

Query

THREED

Select

displa

Query resp

TIME((<

Sets the

Query resp

TITLE(<

eld>);j<

number>j

three-dimensional trace

the

<

resp

the

resp

the

.

y

V

(

um

n

cloc

onse:

horizon

onse:

<

(

um

n

onse:

n

er

b

um

n

<

tal

n

<

er

b

um

n

of

er

b

n

<

[

>

er

b

measures

that

k

n

<

delimiter><data byte[s]><delimiter>j<A-blockdata

I-block data eld

>

OFFjONjDNjUPjEP))j?;

display

er

>

umb

?;

j

EP))

j

UP

j

DN

>

three-dimensional

the

of

oset

>

er

b

um

?;

j

EP))

j

UP

j

DN

j

>

three-dimensional

the

in

used

traces

>

er

b

um

?;

j

]))

>

unit

time

time.

um

erating

op

>

er

b

>

on or

o.

trace

Displays text in the title line on the optical spectrum analyzer

display.

displa

trace

.

y

?;

j

VID))

j

LINE

j

FREE

the

j

trigger

mo

de

that

determines

TM((EXT

Selects

triggered.

j

Query response: EXT

TP(<

<

number

predened function

>j<

FREEjLINEjVID

predened v

>j<

trace elemen

ariable

j<user-dened v

>

t>);

Modies the shape of stored, graphics items.

Programming

ho

sweep

the

w

Commands 3-55

is

ariable>j

(

TRAjTRBjTRC)(<

[<amplitude unit>]gj<

number>[<amplitude unit>]f,<number

A-blockdata eld>j?;j<I-block data eld

>

Sends or receives trace-amplitude information for traces A, B, or

C.

Query response:<trace>[<element position>](<amplitude>j?)j

#A<msb length><lsb length><data byte>f<data byte>gj

#I<data byte>f<data byte>gj<data byte>f<data byte>g

TRCOND<reference trace>(,<start>,<stop>,<sweep>,

<

top of screen>,<bottom of screen>,<trace length>,

<

reference level>, (LINjLOGjRLOG)j?);

w.

::=

>

eep

sw

<

reference

<

,

>

trace

new

haracter

>

windo

::=

<

,

>

name

trace

string

variable

<

trace

j

<

top

arra

trace

of

>

screen

)(,

ys.

>

length

trace

<

user-

<

j

>

Scales

start

<

top

<

reference

<

Query

ottom

b

<

el

lev

TRDEF

length

Changes

user-dened

<

trace

<

dened

elemen

Query

>

trace

>

of

resp

,(LIN

(TRA

?);

j

length

v

>

t

resp

data

<

::=

screen

lev

onse:

screen

of

j

LOG

j

the

ariable

onse:

stop

>

el

TRB

trace

::=

>

displa

::=

>

<

::=

<

::=

start

<

,

>

RLOG)

j

TRC

j

length

name

n

<

predened

<

j

um

n

<

in

ed

y

sw

<

ottom

b

um

n

stop

<

,

>

length

trace

user-dened

<

j

creates

or

::=

>

er

b

um

>

er

b

graphics

a

>

eep

screen

of

>

er

,

>

c

<

predened

j

>

function

>

::=

>

,

TRDSP

(TRAjTRBjTRC),(ONjOFFj0j1j?);

Blanks display of active trace(s) without clearing the trace data

or interrupting measurements.

Query resp

TRNSZLOCK((ON

onse: 0j1

j

OFF)

j

(0

j

1))

?;

j

Locks transimp edance amplier for fast pulse measuremen

j

Query response: 0

TRPST

;

Sets trace operations to their preset v

Programming Commands

3-56

1

alues.

ts.

Agilent 71450B Data Sheet

Specifications and Main Features

Frequently Asked Questions

User Manual

Menu Maps

Optical Spectrum Analyzer Functions

Programming Commands