LP142 Literunner Operator`s Manual - Contents

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Contents

Introduction ...................................................................................................... i

Safety precautions .......................................................................................... ii

Warnings ....................................................................................................... iii

Cautions ......................................................................................................... vi

Check the items included in the package ...................................................... viii

Components .................................................................................................. viii

Menu hierarchy and table of contents ........................................................... xiii

Section 1 Basic Operation .................................................................................... 1

Appearance ..................................................................................................... 2

Rear/Bottom view ............................................................................................ 3

Operating buttons and knobs .......................................................................... 4

Menu (FUNCTION) operation ........................................................................... 5

Description of operation section ...................................................................... 6

How to read screen ......................................................................................... 8

Before starting the measurement .............................................................. 10-11

Contrast setting, Selection of language, HELP function, Setting of date ........... 10

Display date on the screen, Reverse display function (LCD),

How to restore the setting at time of purchase ................................................... 11

Displaying CAL waveform by AUTOSET ................................................... 12-13

Probe connection ................................................................................................. 12

Probe compensation ........................................................................................... 13

Operating vertical axis .............................................................................. 14-15

OFFSET, VOLTS/DIV, Zoom ................................................................................. 14

COUPLING, BW, How to use volts ....................................................................... 15

Operating the horizontal axis .................................................................... 16-17

TIME/DIV, DELAY, ZERO DELAY ........................................................................... 16

Sampling rate, Memory length, PERSISTENCE ................................................. 17

Trigger ...................................................................................................... 18-19

Trigger signal, Level ............................................................................................ 18

Trig Type, Slope, Source, Coupling, Hold off ....................................................... 19

Sweep mode ............................................................................................ 20-21

AUTO/NORM/SGL, Sweep mode in roll function ................................................. 20

RUN/STOP ........................................................................................................... 21

Cursor measurement ................................................................................ 22-23

∆

V/

∆ t/

∆

V &

∆ t/

∆

V at t/OFF, FUNCTION, C1/C2/TCK .............................................. 22

Type of cursor measurement .............................................................................. 23

Copy function ........................................................................................... 24-25

Making a hard copy .............................................................................................. 24

Loading printer roll paper .................................................................................... 25

SAVE/UNDO of SETUP ................................................................................ 26

SETUP SAVE, SETUP UNDO .............................................................................. 26

SAVE/CLEAR button of REF ......................................................................... 27

REF SAVE, REF CLEAR, Display, Recall, Setup ................................................. 27

Acquisition menu ..................................................................................... 28-29

ACQUISITION mode/EQU Sample/Roll setting .................................................. 28

Persist/Length setting, Acquisition mode vs. Sweep range ............................... 29

DISPLAY menu ........................................................................................ 30-31

Contrast/Join/Display TYPE setting .................................................................... 30

Scale/Math/Status setting .................................................................................... 31

MEASURE (auto measurement) menu ..................................................... 32-33

MEASURE, Setting measurement items ............................................................ 32

Measurement item, Auto-measurement parameter ........................................... 33

SAVE/RECALL menu .................................................................................... 34

SAVE/RECALL /Device/Type/Style/Function setting ............................................. 34

Saving panel settings to floppy disk .............................................................. 35

Recalling panel settings from floppy .............................................................. 35

Saving waveform to floppy disk ...................................................................... 36

Recalling waveform data from floppy disk ...................................................... 36

Save/Recall menu (continuation) ................................................................... 37

Format, Auto save, Default Setup, Delete ........................................................... 37

UTILITIES menu ............................................................................................ 38

Copy/Interface menu setting ................................................................................ 38

Comment/Data/Config menu setting, Self cal .................................................... 39

Section 2 Explanation of Functions .................................................................. 41

Waveform display .......................................................................................... 42

Vertical axis .................................................................................................. 43 xi

Horizontal axis .............................................................................................. 43

Synchronization ............................................................................................ 44

TV trigger ...................................................................................................... 46

ACQUISITION ............................................................................................... 47

Peak detection (Peak Det) ................................................................................... 47

Average (Average) ................................................................................................ 48

Equivalent sampling (EQU SMPL) ...................................................................... 49

Roll (ROLL) .......................................................................................................... 50

Sweep mode in Roll operation ............................................................................ 51

Persistence (PERSISTENCE) ............................................................................. 52

Memory length ..................................................................................................... 52

XY display ..................................................................................................... 53

Calculated waveform ...................................................................................... 54

Automatic measurement (MEASURE) .......................................................... 55

Save/recall/delete .......................................................................................... 60

Copy ............................................................................................................. 62

Appendices

Appendix 1:

Sampling Period and On-Screen Data Count for Short Memory .................. 64

Appendix 2:

Sampling Rate and Display Memory Length for Long Memory .................... 65

Appendix 3: AUTOSET measuring conditions .................................................... 66

Appendix 4: <Panel setting> to be saved ............................................................ 67

Section 3 Daily Care ............................................................................................. 69

Maintenance method ........................................................................................... 70

Diagnostic guideline ............................................................................................ 72

Section 4 Specifications...................................................................................... 75

Index ................................................................................................................ Index-1 xii

Menu hierarchy and table of contents

The numbers in parentheses indicate reference pages.

xiii

xiv

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