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17-7

IM 701210-06E

Other Operations

17.6 Locking the Keys

Procedure

FILE

SHIFT

HELP

MISC

NUM KEY

PROTECT

VOICE

MEMO

IMAGE

SAVE

SNAPSHOT CLEAR TRACE

MENU MENU

1. Press PROTECT. The LED above the key illuminates, and the keys are locked.

2. To release the lock, press PROTECT again.

Explanation

This function locks the operation keys so that the current DL750/DL750P condition is not

changed accidentally. When keys are locked, all keys other than the PROTECT key

cannot be used.

Note

When keys are locked, operations using the USB mouse and USB keyboard are also

disabled.

Default Chapter2
- Table of Contents2
Contents3
- Product Registration11
- Contents12
- Manuals that Come with the DL750/DL750P14
User's Manual Part 114
- Checking the Contents of the Package16
- Standard Accessories17
- Safety Precautions20
- Functions Described in this Manual and the DL750/DL750P Version24
Chapter 1 Names and Functions of Parts28
- Top Panel, Front Panel, Right Side Panel, and Left Side Panel28
  - Front Panel29
  - Right Side Panel30
- Panel Keys and Knobs34
- Display Screens37
Chapter 2 Explanation of Functions39
- System Configuration/Block Diagram39
- Setting the Horizontal and Vertical Axes41
- Setting the Trigger58
- Setting Waveform Acquisition Conditions and Display Conditions69
- Recording in Recorder Mode (Realtime Recording) (DL750P Only)81
- Creating a PDF File of the Reprint Image (Only During T-Y Recording)84
- Waveform Computation85
- Waveform Analysis/Search91
- Communications97
- Other Useful Functions99
Chapter 3 Making Preparations for Measurements104
- Handling Precautions104
- Installing the Instrument106
- Installing Input Modules108
- Connecting the Power Supply and Turning the Power Switch ON/OFF111
- Setting the Date and Time116
- Connecting Probes118
- Compensating the Probe (Phase Correction)124
- Connecting Measuring Leads126
- Connecting Thermocouples127
- Connecting a Bridge Head (Only on Strain Modules)128
- Connecting Logic Probes131
- Connecting Acceleration Sensors133
- Connecting Sensors to the Frequency Module135
- Connecting the Earphone Microphone with a PUSH Switch and Connecting the Speaker136
Chapter 4 Common Operations139
- Operations and Functions of Keys and the Jog Shuttle139
- Entering Values and Strings141
- USB Keyboard/Usb Mouse145
- Initializing Settings154
- Performing Auto Setup156
- Performing Calibration159
- Using the Help Function160
Chapter 5 Horizontal and Vertical Axes161
- Turning Channels ON/OFF161
- Setting T/DIV162
- Setting V/DIV163
- Setting the Vertical Position of Waveforms165
- Setting the Input Coupling167
- Setting the Probe Type169
- Setting the Bandwidth170
- Zooming Vertically by Setting the Zoom Rate172
- Zooming Vertically According to the Upper and Lower Limits of the Display Range174
- Setting the Offset Value176
- Using the Linear Scaling Function (AX+B, P1-P2)178
- Inverting Waveforms181
- Displaying the All Channel Setup Menu182
- Setting the Time Base (Internal Clock/External Clock)185
- Observing RMS Values188
- Setting the Strain Measurement191
- Setting the Acceleration Measurement198
- Frequency, Pulse Width, Pulse Integration, and Velocity) Measurement200
- Setting Logic Waveforms215
- Setting Event Waveforms217
Chapter 6 Triggering219
- Setting the Trigger Mode219
- Setting the Trigger Position221
- Setting the Trigger Delay223
- Setting the Hold off Time224
- Setting the Edge Trigger (SIMPLE)226
- Setting the External Trigger (SIMPLE)229
- Generating Triggers on the Power Signal (SIMPLE)230
- Setting the Timer Trigger (SIMPLE)231
- Setting the Logic Trigger (SIMPLE)233
- Setting the a -> B(N) Trigger (ENHANCED)235
- Setting the a Delay B Trigger (ENHANCED)238
- Setting the Edge on a Trigger (ENHANCED)241
- Setting the or Trigger (ENHANCED)245
- Setting the B > Time, B < Time, or B Timeout (Pulse Width) Trigger (ENHANCED)248
- Setting the Period Trigger (ENHANCED)252
- Setting the Window Trigger (ENHANCED)255
- Setting the Wave Window Trigger (ENHANCED)258
- Setting the Action-On-Trigger263
- Setting Manual Triggers266
Chapter 7 Acquisition and Display267
- Starting/Stopping Waveform Acquisition267
- Setting the Record Length269
- Setting the Acquisition Mode271
- Acquiring Data Using Box Average274
- Acquiring Data Using the Sequential Store Function (Single (N) Mode)276
- Using the Dual Capture Function277
- Realtime Recording to the Internal Hard Disk (Optional)282
- Setting the Action When Waveform Display Is Updated (Action-On-Stop)286
- Using the Voice Memo Function289
- Using the Acquisition Memory Backup Function295
Chapter 8 Display297
- Changing the Display Format297
- Setting the Display Interpolation Method299
- Changing the Graticule301
- Accumulated Waveform Display302
- Zooming the Waveform304
- Displaying X-Y Waveforms308
- Using the Snapshot Function and Clear Trace Function311
- Turning Translucent Mode ON/OFF312
- Turning the Scale Value Display ON/OFF313
- Setting Waveform Labels314
- Turning the Extra Window ON/OFF315
- Turning the Level Indicator and Numeric Value Display ON/OFF317
- Displaying Channel Information/Displaying Waveforms on a Full Screen (Expanding the Waveform Area)318
Chapter 9 Recording in Recorder Mode (Realtime Recording) (Only on the DL750P)320
- Loading the Roll Paper into the DL750P Built-In Printer320
- Selecting the Recorder Mode323
- Setting the Record Conditions of T-Y Waveform Recording325
- Setting the Recording Format of T-Y Waveform Recording327
- Recording T-Y Waveforms (T-Y Waveform Recording)331
- Recording Numeric Values333
- Recording X-Y Waveforms (X-Y Waveform Recording)336
- Reprinting on the Built-In Printer340
- Reprinting on the Built-In Printer341
- Creating a PDF File of the Reprint Image345
User's Manual Part 1352
- Manuals that Come with the DL750/DL750P352
Chapter 10 Waveform Computation352
- Adding, Subtracting, Multiplying, and Dividing Waveforms358
- Binary Computation361
- Performing Power Spectrum Computation (FFT)364
- Phase-Shifted Display368
- User-Defined Computation (Optional)371
Chapter 11 Waveform Analysis/Search380
- Displaying History Waveforms380
- Searching History Memory Data Using Zones (History Search Function)384
- Searching History Memory Data Using Parameters (History Search Function)388
- Search Data Using Search and Zoom Function390
- Measuring Waveforms Using Cursors396
- Automated Measurement of Waveform Parameters410
- Performing Statistical Processing417
- Performing GO/NO-GO Determination Using Zones423
- GO/NO-GO Determination Using Measured Waveform Parameters429
- Using the GO/NO-GO Determination I/O Function434
- Output Signal435
Chapter 12 Printing the Screen Image Data436
- Loading the Roll Paper and Paper Feeding436
- Printing on the Built-In Printer439
- Printing Screen Image Data to a USB Printer449
- Printing the Screen Image Data on a Network Printer453
Chapter 13 Saving and Loading Data455
- Floppy Disks/Zip Disks/Pc Cards455
- Internal Hard Disk (Optional)460
- Connecting a USB Storage Device (MO Disk Drive, Hard Disk, or Flash Memory) to the USB PERIPHERAL Interface461
- Connecting a SCSI Device463
- Formatting the Storage Medium464
- Changing the SCSI ID Number469
- Saving/Loading the Waveform Data471
- Saving/Loading the Setup Data480
- Saving/Loading Snapshot Waveforms485
- Saving the Results of the Automated Measurement of Waveform Parameters490
- Saving Screen Image Data492
- Displaying Thumbnails of the Saved Screen Image Data496
- Creating PDF Files of the Printed Image (DL750P Only)500
- Loading/Converting Realtime Recorded Waveforms507
- Changing the File Attributes and Deleting Files510
- Copying Files514
- Changing the Directory/File Name of the Storage Medium and Creating Directories518
- Connecting a PC to the DL750/DL750P Via SCSI521
- Using the Voice Comment Function524
Chapter 14 External Trigger I/O, External Clock Input, and Video Signal Output527
- External Trigger Input (TRIG IN)527
- Trigger Output (TRIG OUT)528
- External Clock Input (EXT CLK IN)529
- Video Signal Output (VIDEO out (SVGA))530
- External Start/Stop Input (GO/NO-GO)532
Chapter 15 Using the DSP Channel (Optional)533
- DSP Channels (Optional)533
- Performing Addition, Subtraction, Multiplication, and Division (DSP Channels)536
- Using Filters (DSP Channels)538
- Performing Differentiation and Integration (DSP Channels)542
- Performing Addition, Subtraction, Multiplication, and Division with Coefficients (DSP Channels)546
- Using the Knocking Filter (DSP Channels)548
Chapter 16 Ethernet Interface (Optional)553
- Connecting the DL750/DL750P to the Network553
- Connection Procedure554
- Setting up the TCP/IP555
- Saving/Loading Data to a Network Drive (FTP Client Function)560
- Setting up the Network Printer564
- Sending Periodic Mail or Action Mail566
- Accessing the DL750/DL750P from a PC or Workstation (FTP Server Function)572
- Using the Web Server Function575
- System Requirements576
- Setting the Time Difference from GMT (Greenwich Mean Time)/Sntp600
- Checking the Presence of the Ethernet Interface and the MAC Address602
- Setting the FTP Passive Mode and LPR/SMTP Timeout603
- Using the Instrument as a Windows Network Drive604
- Using the Instrument as a Windows Network Drive605
Chapter 17 Other Operations606
- Changing the Menu/Message Language and Turning the Click Sound ON/OFF606
- Switching the Screen Display Font Size607
- Changing the USB Keyboard Language608
- Setting the Screen Color and Brightness609
- Turning off the Backlight and Setting the Brightness of the Backlight611
- Locking the Keys612
Chapter 18 Troubleshooting, Maintenance, and Inspection613
- Troubleshooting613
- Messages and Corrective Actions614
  - Error Message614
  - Status Messages614
- Self-Diagnostic Test (Self Test)625
- Checking the System Conditions (Overview)628
- Recommended Replacement Parts629
Chapter 19 Specifications630
- Input Section630
- Trigger Section630
- Time Axis631
- Display632
- Function632
- Data Storage636
- Built-In Printer637
- Storage638
- USB PERIPHERAL Interface639
- Auxiliary I/O Section639
- Computer Interface642
- General Specifications643
- Module Specifications647
- Logic Probe Specifications670
- External Dimensions671
Appendix674
- Relationship between the Time Axis Setting, Sample Rate and Record Length675
Appendix 2 Relationship between the Record Length and Acquisition Mode678
Appendix 3 How to Calculate the Area of a Waveform680
Appendix 4 ASCII Header File Format682
Appendix 5 User-Defined Computation687
Appendix 6 DSP Channel Computation (Optional)696
Appendix 7 List of Defaults719
Appendix 8 Assignment of Keys on the USB Keyboard722
Appendix722
- Waveform Acquisition Operation When the Power Supply Recovers after a Power Failure726
Appendix 10 Basic Defining Equation of Strain727
Appendix 11 Shunt Calibration of the Strain Module728
Appendix 12 Measurement Principles (Measurement Method and Update Rate) of the Frequency Module733
Appendix 13 List of Preset Settings of the Frequency Module737
Appendix 14 TCP and UDP Port Number Used in Ethernet Communications739
Appendix 15 Relationship between the Chart Speed, Sample Rate, and Record Length During Recorder Mode740
IM 701210-05/06E741

Brand	YOKOGAWA
Model	DL750
Category	Measuring Instruments
Language	English

YOKOGAWA DL750 User Manual

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YOKOGAWA DL750 Specifications

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