Lecroy WJ300 Remote Operation

LECROY
WAVEJET 300 SERIES
O
SCILLOSCOPES
REMOTE CONTROL MANUAL
FEBRUARY 2007
LeCroy Corporation
700 Chestnut Ridge Road Chestnut Ridge, NY 10977–6499 Tel: (845) 578 6020, Fax: (845) 578 5985
Internet: www.lecroy.com
© 2007 by LeCroy Corporation. All rights reserved.
LeCroy, ActiveDSO, WaveLink, JitterTrack, WavePro, WaveMaster, WaveSurfer, WaveExpert, WaveJet, and Waverunner are registered trademarks of LeCroy Corporation. Other product or brand names are trademarks or requested trademarks of their respective holders. Information in this publication supersedes all earlier versions. Specifications subject to change without notice.
This electronic product is subject to disposal and recycling regulations that vary by country and region.
Manufactured under an ISO 9000 Registered Quality Management System
Visit www.lecroy.com to view the certificate.
Many countries prohibit the disposal of waste electronic equipment in standard waste receptacles.
For more information about proper disposal and recycling of your LeCroy product, please visit www.lecroy.com/recycle.
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1. INTRODUCTION....................................................................................................................3
1.1 WJ-GPIB Hardware .........................................................................................................................3
1.2 WJ-LAN Hardware...........................................................................................................................3
2. INSTALLATION OF GPIB AND TCP/IP ................................................................................ 4
WaveJet Remote Control Interface Installation Procedure................................................................................. 4
2.1 List of IEEE 488.1 interface functions subsets implemented...........................................................5
2.2 Device behavior when the address is changed outside the range 0 to 30 ......................................5
2.3 When a user-initiated address change is recognized by the device................................................5
2.4 Device setting at power-on, including commands which modify the power-on settings .................. 5
2.5 Message exchange options.............................................................................................................5
Size and behavior of input buffer ........................................................................................................................ 5
Queries that return more than one <RESPONSE MESSAGE UNIT>................................................................ 5
Queries that generate a response when parsed ................................................................................................ 5
Queries that generate a response when read .................................................................................................... 5
Commands that are coupled............................................................................................................................... 5
2.6 Functional elements used in constructing device-specific commands ............................................6
2.7 Buffer size limitations related to block data .....................................................................................7
2.8 List of <PROGRAM DATA> elements .............................................................................................7
2.9 Response syntax for every query. ...................................................................................................7
2.10 Device-to-device message transfer traffic that does not follow the rules for <RESPONSE
MESSAGE> elements ...........................................................................................................................8
2.11 Size of block data responses.........................................................................................................8
2.12 List of common commands and queries which are implemented ..................................................8
2.13 State of the device after successful completion of the Calibration query ......................................9
2.14 Maximum length of the block used to define the trigger macro, if *DDT is implemented ..............9
2.15 Macro parameters..........................................................................................................................9
2.16 Response to the identification common query, *IDN? .................................................................10
2.17 Size of protected user data storage area if the *PUD command and *PUD? query are implemented
.............................................................................................................................................................10
2.18 Size of resource description if the *RDT command or *RDT? query are implemented. .............. 10
2.19 States affected by *RST, *LRN?, *RCL, and *SAV......................................................................10
2.20 Scope of self-test performed by the *TST? query........................................................................10
2.21 Additional status data structures used in the device’s status reporting .......................................10
Status Byte Register ......................................................................................................................................... 10
Service Request Enable Register..................................................................................................................... 10
Standard Event Status Register ....................................................................................................................... 11
Standard Event Status Enable Register ........................................................................................................... 11
Trigger Event Status Register........................................................................................................................... 11
Trigger Event Status Enable Register .............................................................................................................. 11
2.22 For each command, a statement describing whether it is overlapped or sequential ................... 11
2.23 For each command device, the documentation shall specify the functional criteria that are met
when an operation complete message is generated in response to that command............................11
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3. REMOTE MENU ..................................................................................................................12
4. LIMITATIONS ON REMOTE FUNCTION............................................................................ 13
5. RESPONSE FORMATS ...................................................................................................... 14
6. REMOTE COMMANDS ....................................................................................................... 15
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1. INTRODUCTION
The WJ-GPIB and WJ-LAN are interface boards exclusively for the WaveJet3xx series.
Insert the board into one of the option slots on the rear of the WaveJet3xx before use.
It can be inserted into either of the two option slots provided.
Once the board is inserted into the slot, the WaveJet main unit automatically recognizes it as a remote
interface, allowing you to select it.
The WJ-GPIB and the WJ-LAN can be inserted at the same time, but only one of them can be selected.
Two of the same kind of interface board must not be inserted at the same time (prohibited).
CAUTION!
To prevent damage to the instrument, turn instrument power OFF before inserting a WJ-GPIB or WJ-LAN interface board.
ESD Sensitive
The WJ-GPIB and WJ-LAN interface boards are sensitive to electrostatic discharge (ESD). To avoid causing damage to the boards, always follow anti-static procedures (wear wrist strap, etc.) when handling the boards.
1.1 WJ-GPIB Hardware
Applicable standard GPIB IEEE-488.1
Usable unit WaveJet 3xx series firmware 3.xx or later
Power supply Supplied from WaveJet3xx option slot
Power consumption Included in WaveJet3xx main unit
Dimensions
Mass Approximately 70 g
Operating temperature range
Operating humidity range
Storage temperature range
1.2 WJ-LAN Hardware
Applicable standard
Usable unit WaveJet 3xx series firmware 3.xx or later
Power supply Supplied from WaveJet3xx option slot
Power consumption Included in WaveJet3xx main unit
Dimensions
Mass Approximately 55 g
Operating temperature range
Operating humidity range
Storage temperature range
63 mm × 80 mm (excluding protrusion of connector terminal)
0 to 40 °C
80% RH or lower (when operated within 0 to 40 °C)
-20 to +60 °C
TCP/IP 10BASE-T/100BASE-T
63 mm × 80 mm (excluding protrusion of connector terminal)
0 to 40 °C
80% RH or lower (when operated within 0 to 40 °C)
-20 to +60 °C
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2. INSTALLATION OF GPIB AND TCP/IP
The Remote Function uses GPIB and TCP/IP as the interface. GPIB is installed according to IEEE488.1 and IEEE488.2, while TCP/IP is installed according to LeCroy VICP.
WaveJet Remote Control Interface Installation Procedure
The WaveJet remote control interfaces, WJ-LAN and WJ-GPIB are compatible with all WaveJet units running firmware version 3.06 or higher. For firmware upgrades please visit www.lecroy.com. The firmware and firmware installation instructions are available for download.
1. Confirm the installed firmware version is 3.06 or higher. To do this press U Status and Update and then select Update. If it is 3.06 or greater proceed to step 2. If not please update the firmware.
2. With the power off, remove the screws from the rear panel option slot.
3. Insert the WJ-LAN and/or WJ-GPIB interfaces into the slot and fasten the screws.
4. Turn the WaveJet power on and then press U
5. In the Utilities menu a new selection, Remote will be available, if two cards are installed there will be a choice between TCP/IP and GPIB. If only one is installed there will only be one listing.
6. For GPIB operation use the A
7. For TCP/IP use the A jump from field to field. The WaveJet works with static IP addressing only.
8. Press the soft key next to the down arrow to move to Subnet Mask and Default Gateway. Rotate the knob to enter values; push the knob to change fields.
9. After entering the correct addresses, press Enter at the bottom of the remote menu and reboot the scope.
The WaveJet can be operated with both WJ-LAN and WJ-GPIB installed, or with only one interface card installed. However, two GPIB or two LAN cards cannot be installed simultaneously.
DJUST knob to set the IP address. Rotate the knob to change values; push the knob to
DJUST knob to set the appropriate GPIB address.
TILITIES on the front panel.
TILITIES on the front panel, select
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2.1 List of IEEE 488.1 interface functions subsets implemented
Table 2-1. List of IEEE 488.1 interface functions
subsets implemented
Interface function Subset
Source Handshake SH1
Acceptor Handshake AH1
Talker T6,TE0
Listener L4, LE0
Service Request SR1
Remote Local RL2
Parallel Poll PP0
Device Clear DC1
Device Trigger DT1
Controller C0
Electrical Interface E2
2.2 Device behavior when the address is changed outside the range 0 to 30
With GPIB, values that do not fall within the range of 0 to 30 cannot be selected.
TCP/IP has 4 fields, IPv4, for which values that do not fall within the range of 0 to 255 cannot be selected.
2.3 When a user-initiated address change is recognized by the device
GPIB immediately recognizes the address change.
TCP/IP recognizes the change when the system is rebooted after the change.
2.4 Device setting at power-on, including commands which modify the power-on settings
At power-on, device settings are restored to their values when the device was last powered off.
A command for changing the power-on settings is not installed.
2.5 Message exchange options
Size and behavior of input buffer
The size of the input buffer is 512 bytes.
Queries that return more than one <RESPONSE MESSAGE UNIT>
See the list of commands.
Queries that generate a response when parsed
See the list of commands.
Queries that generate a response when read
See the list of commands.
Commands that are coupled
See the list of commands.
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2.6 Functional elements used in constructing device-specific commands
Whether <compound command program header> elements are used must also be included.
Table 2-2. Device listening functional elements
Element Implemented?
<PROGRAM MESSAGE> Yes
<PROGRAM MESSAGE TERMINATOR> Yes
<PROGRAM MESSAGE UNIT> Yes
<PROGRAM MESSAGE UNIT SEPARATOR> Yes
<COMMAND MESSAGE UNIT> Yes
<QUERY MESSAGE UNIT> Yes
<COMMAND PROGRAM HEADER> Yes
<QUERY PROGRAM HEADER> Yes
<PROGRAM HEADER SEPARATOR> Yes
<PROGRAM DATA SEPARATOR> Yes
<PROGRAM DATA> Yes
<DECIMAL NUMERIC PROGRAM DATA> Yes
<CHARACTER PROGRAM DATA> Yes
<SUFFIX PROGRAM DATA> Yes (see Figure 2-1)
<NON-DECIMAL NUMERIC PROGRAM DATA> No
<STRING PROGRAM DATA> No
<ARBITRARY BLOCK PROGRAM DATA> Yes
<EXPRESSION PROGRAM DATA> No
<w hite space> <suffix m ult> <suffix unit>
Figure 2-1. <SUFFIX PROGRAM DATA> element
Enter <white space> according to IEEE488.2.
Enter <suffix mult> in <upper/lower case alpha> according to IEEE488.2.
Enter <suffix unit> according to IEEE488.2.
The following combinations only can be used for <compound command program header>.
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Table 2-3. List of <compound command program header>
Selectable Depth1 Element Selectable Depth2 Element
C1, C2, C3, C4 and M1 VDIV Command/Query
C1, C2, C3, C4 and M1 OFST Command/Query
C1, C2, C3, C4 and M1 TRA Command/Query
C1, C2, C3 and C4 CPL Command/Query
C1, C2, C3 and C4 PROBE Command/Query
C1, C2, C3 and C4 BWL Command/Query
2.7 Buffer size limitations related to block data
If data exceeding the input buffer limit is received, the excess data is discarded until a delimiter is detected.
If data exceeding the output queue limit is transmitted, commands that are not interpreted and excess data
are discarded.
2.8 List of <PROGRAM DATA> elements
These may appear within an <expression>, and maximum sub-expression nesting depth.
Table 2-4. List of <PROGRAM DATA> elements
Element Implemented?
<CHARACTER PROGRAM DATA> Yes
<DECIMAL NUMERIC PROGRAM DATA> Yes
<SUFFIX PROGRAM DATA> Yes (see Figure 2-1)
<NON-DECIMAL NUMERIC PROGRAM DATA> No
<STRING PROGRAM DATA> No
<ARBITRARY BLOCK PROGRAM DATA> Yes
<EXPRESSION PROGRAM DATA> No
2.9 Response syntax for every query.
Table 2-5. Device listening functional elements
Element Implemented?
<RESPONSE MESSAGE> Yes
<RESPONSE MESSAGE TERMINATOR> Yes
<RESPONSE MESSAGE UNIT> Yes
<RESPONSE MESSAGE UNIT SEPARATOR> Yes
<RESPONSE DATA> Yes
<RESPONSE DATA SEPARATOR> Yes
<NR1 NUMERIC RESPONSE DATA> Yes
<ARBITRARY ASCII RESPONSE DATA> Yes
<RESPONSE HEADER SEPARATOR> No
<RESPONSE HEADER> No
<CHARACTER RESPONSE DATA> Yes
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<NR2 NUMERIC RESPONSE DATA> No
<NR3 NUMERIC RESPONSE DATA> Yes
<HEXADECIMAL RESPONSE DATA> No
<BINARY NUMERIC RESPONSE DATA> No
<STRING RESPONSE DATA> No
<DEFINITE LENGTH ARBITRARY BLOCK RESPONSE DATA>
<INDEFINITE LENGTH ARBITRARY BLOCK RESPONSE DATA>
2.10 Device-to-device message transfer traffic that does not follow the rules for <RESPONSE
MESSAGE> elements
None.
2.11 Size of block data responses
Block data response is made for DTWAVE query, DTSTUP query, and TSCRN query.
Table 2-6. Size of block data responses (MLEN 500K,
DTPOINTS 500000 and DTSTART 0)
Yes
No
Query Status Size of block data
DTWAVE? Normal Sampling 500,010 bytes
DTWAVE? Average Sampling 1,000,010 bytes
DTWAVE? Multiplication Wave 2,000,010 bytes
DTWAVE? Other Sampling 500,010 bytes
DTSTUP? (Constant) 476 bytes
TSCRN? TIFF 308,956 bytes
TSCRN? BMP 308,288 bytes
TSCRN? PNG (Variable)
2.12 List of common commands and queries which are implemented
Table 2-7. List of common commands and queries
Mnemonic Name Implemented?
*AAD Accept Address Command No
*CAL? Calibration Query No
*CLS Clear Status Command Yes
*DDT Define Device Trigger Command No
*DDT? Define Device Trigger Query No
*DLF Disable Listener Function Command No
*DMC Define Macro Command No
*EMC Enable Macro Command No
*EMC? Enable Macro Query No
*ESE Standard Event Status Enable Command Yes
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*ESE? Standard Event Status Enable Query Yes
*ESR? Standard Event Status Register Query Yes
*GMC? Get Macro Contents Query No
*IDN? Identification Query Yes
*IST? Individual Status Query No
*LMC? Learn Macro Query No
*LRN? Learn Device Setup Query No
*OPC Operation Complete Command Yes
*OPC? Operation Complete Query Yes
*OPT? Option Identification Query No
*PCB Pass Control Back Command No
*PMC Purge Macro Command No
*PRE Parallel Poll Register Enable Command No
*PRE? Parallel Poll Register Enable Query No
*PSC Power On Status Clear Command No
*PSC? Power On Status Clear Query No
*PUD Protected User Data Command No
*PUD? Protected User Data Query No
*RCL Recall Command Yes
*RDT Resource Description Transfer Command No
*RDT? Resource Description Transfer Query No
*RST Reset Command Yes
*SAV Save Command Yes
*SRE Service Request Enable Command Yes
*SRE? Service Request Enable Query Yes
*STB? Read Status Byte Query Yes
*TRG Trigger Command Yes
*TST? Self-Test Query Yes
*WAI Wait-to-Continue Command Yes
2.13 State of the device after successful completion of the Calibration query
Not implemented.
2.14 Maximum length of the block used to define the trigger macro, if *DDT is implemented
Not implemented.
2.15 Macro parameters
Maximum length of macro labels, maximum length of the block used to define a macro, and how recursion is handled during macro expansion, if macro commands are implemented
Not implemented.
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2.16 Response to the identification common query, *IDN?
See the list of commands.
2.17 Size of protected user data storage area if the *PUD command and *PUD? query are
implemented
Not implemented.
2.18 Size of resource description if the *RDT command or *RDT? query are implemented.
Not implemented.
2.19 States affected by *RST, *LRN?, *RCL, and *SAV
Table 2-8. List of states affected
Name State
*RST Same as Recall Default Setup
*LRN Not implemented
*RCL Same as Recall Setup
*SAV Same as Save Setup
2.20 Scope of self-test performed by the *TST? query
The Acquisition Memory test is conducted.
2.21 Additional status data structures used in the device’s status reporting
Status Byte Register
Table 2-9. Model of Status Byte Register
Bit Definition Implemented?
7 Device-Defined Summary Message No (always zero)
6 Master Summary Status Yes
5 Standard Event Status Bit (ESB) Summary Message Yes
4 MAV Queue Summary Message Yes (only GPIB)
3 Device-Defined Summary Message No (always zero)
2 Device-Defined Summary Message No (always zero)
1 Device-Defined Summary Message No (always zero)
0 Trigger Event Status Bit (TESB) Summary Message Yes
Service Request Enable Register
An application programmer can select which summary messages in the Status Byte Register may cause service requests.
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Standard Event Status Register
Table 2-10. Model of Standard Event Status Register
Bit Definition Implemented?
7 Power On (PON) Yes
6 User Request (URQ) No (always zero)
5 Command ERROR (CME) Yes
4 Execution ERROR (EXE) Yes
3 Device-Specific Error (DDE) Yes
2 Query ERROR (QYE) Yes (only GPIB)
1 Request Control (RQC) No (always zero)
0 Operation Complete (OPC) Yes
Standard Event Status Enable Register
The Standard Event Status Enable Register allows one or more events in the Standard Event Status Register to be reflected in the ESB summary-message bit.
Trigger Event Status Register
Table 2-11. Model of Trigger Event Status Register
WaveJet Remote Control Manual
Bit Definition Implemented?
7 Always zero No
6 Always zero No
5 Always zero No
4 Always zero No
3 Always zero No
2 Always zero No
1 Always zero No
0 Single Wave Enable (SWE) Yes
Trigger Event Status Enable Register
The Trigger Event Status Enable Register allows one or more events in the Standard Event Status Register to be reflected in the TESB summary-message bit.
2.22 For each command, a statement describing whether it is overlapped or sequential
Overlapped commands are not provided.
2.23 For each command device, the documentation shall specify the functional criteria that are met when an operation complete message is generated in response to that command.
Overlapped commands are not provided.
The operation is completed on receipt of the command.
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3. REMOTE MENU
If the option board is mounted, Remote can be selected from the Utilities menu.
The Remote menu is configured as follows.
Communication is performed only through the interface selected.
IP Address, Subnet Mask, and Default Gateway can be set for the IP Address Dialog.
The IP Address Dialog displays the MAC Address.
Table 3-1. When Interface is set to Off
Menu Function
Interface Off
Not used
Not used
Not used
Not used
Table 3-2. When GPIB is selected as Interface
Menu Function
Interface GPIB
Address GPIB Address
Not used
Not used
Not used
Table 3-3. When TCP/IP is selected as Interface
Menu Function
Interface TCP/IP
IP Address IP Address Menu display function
IP Address Menu cursor down
function
Not used
Enter Sets the current IP Address.
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4. LIMITATIONS ON REMOTE FUNCTION
The following limitations are imposed when Remote Control is selected.
Delimiters permit the following settings.
Table 4-1. Delimiters
State Delimiter
Recv EOI only
Recv CR+EOI
Recv LF+EOI
Recv CR+LF+EOI
Send LF+EOI
Panel Lock mode is entered.
The setting is changed to the following once Remote Control mode is entered.
Table 4-2. Setup in Remote Control mode
Item Setup Panel
Help display Off -
Offset Setting Division Utilities/Config. 1/2
Power Off Never Utilities/Config. 1/2/Power
Management
Panel Lock Lock Utilities/Config. 2/2
Volts/div Coarse Channel Menu 2/2
Zoom Off ZOOM
Line Number (TV Standard = NTSC) 263/262 Trigger Menu/Type = TV/TV Setting
Line Number (TV Standard = PAL) 625 Trigger Menu/Type = TV/TV Setting
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5. RESPONSE FORMATS
The following response formats are provided according to the settings of the DTFORM and DTBOARD commands. The number of data to be transferred may vary depending on the settings of the DTSTART and DTPOINTS commands.
(1) The DTFORM command is set to "BYTE/WORD" (binary transfer):
#8 <byte-length> <binary-block>
#8 shows that the response message is described in the format of <Definite Length Arbitrary Block Response Data> and that the content of the following <byte_length> is an 8-digit ASCII string.
The contents of <byte_length> represents the number of bytes to be entered into <binary_block>. The byte length should always be a sign-free, 8-digit integer including zero.
The contents of <binary_block> represents the waveform data stored in the product's internal memory in binary code.
[Example of data]
# 8 0 0 0 0 1 0 2 4 D0 D1 - - - Dn
1024-byte binary data (D0, D1,..., Dn) is transferred.
(a) The DTFORM command is set to "BYTE":
Since one unit of data is transferred in one byte, the number of bytes meets the number of transfer data specified using the DTPOINTS command.
[Example of data]
# 8 0 0 0 0 1 0 2 4 D0 D1 - - - Dn
1024-byte binary data is transferred, and Di (i = 1, 2,..., n) corresponds to one unit of data.
Note 1: For average waveforms, only upper bytes are transferred, even though these waveforms are word data.
Note 2: For math waveforms, word (for ADD/SUB/FFT) or double word (for MULT) data is transferred even though the DTFORM setting is BYTE.
(b) The DTFORM command is set to "WORD":
Since one unit of data is transferred in two bytes, the number of bytes to be transferred is twice as large as the number of transfer data specified using the DTPOINTS command.
[Example of data]
# 8 0 0 0 0 2 0 4 8 U0 L0 U1 L1 - - - Un Ln
2048-byte binary data (U0, L0, U1, L1,..., Un, Ln) is transferred.
Two bytes Ui and Li (i = 1, 2,..., n) correspond to one unit of data.
For channel waveforms other than averaged, Li (i = 0, 1, …, n) becomes 0.
The DTBORD command is used to specify the byte order. When L/H is specified, the data is
transferred in the order of Li, Ui (i = 0, 1,..., n).
(2) The DTFORM command is set to "ASCII":
<ascii_block> <delimiter>
<ascii_block> contains block data. The waveform data units stored in the product's internal memory are described in the format of <NR1 Numeric Response Data> one by one, and these data units are respectively separated by a comma.
[Example of data]
D0, D1,..., Dn
Di (i = 0, 1,..., n) is described in the format of <NR1 Numeric Response Data>.
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6. REMOTE COMMANDS
This list of remote commands is alphabetized by short form.
Horizontal ACQ
Command/Query DESCRIPTION The ACQ command selects the acquisition mode. The ACQ?
query returns the current selection of the acquisition mode.
COMMAND SYNTAX ACQ <mode>
<mode>:={NORMAL, PEAK, AVERAGE} (When XYDS is YT) <mode>:={NORMAL, AVERAGE} (When XYDS is XYTRG) <mode>:={NORMAL} (When XYDS is XY)
QUERY SYNTAX ACQ? RESPONSE FORMAT <mode>
REMARKS ACQ AVERAGE sets ROLL OFF automatically.
Acquisition ASET
Command DESCRIPTION The ASET command provides the auto setup. COMMAND SYNTAX ASET QUERY SYNTAX RESPONSE FORMAT
Horizontal AVGCNT
Command/Query
DESCRIPTION The AVGCNT command sets the number of events to average.
AVGCNT? query returns the number set.
COMMAND SYNTAX AVGCNT <number>
<number>:={2, 4, 8, 16, 32, 64, 128, 256}
QUERY SYNTAX AVGCNT? RESPONSE FORMAT <number> REMARKS AVGCNT command reports device-specific error (DDE) and
is not performed when ACQ is not AVERAGE.
Vertical BWL
Command/Query
DESCRIPTION The BWL command enables or disables the bandwidth limit
(low-pass filter) of the specified input channel. The BWL? query returns the selected status.
COMMAND SYNTAX <channel>: BWL <mode>
<channel>: = {C1, C2, C3, C4} (WJ354/334/324/314) : = {C1, C2} (WJ352/332/322/312) <mode>: = {OFF, 100M, 20M} (WJ354/334/352/332) : = {OFF, 20M} (WJ324/314/322/312)
QUERY SYNTAX <channel>:BWL? RESPONSE FORMAT <mode>
The current bandwidth limit status (low-pass filter)
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is identified in <mode>.
REMARKS WJ 324, WJ314, WJ322 and WJ312 set the bandwidth limiter
to 20 MHz when these scopes receive "BWL 100M".
Status *CLS
Command
DESCRIPTION The *CLS command clears the entire status data
register.
COMMAND SYNTAX *CLS QUERY SYNTAX RESPONSE FORMAT
Cursor CMSR?
Query
DESCRIPTION The CMSR? query returns the currently displayed cursor
measurements.
COMMAND SYNTAX
QUERY SYNTAX CMSR? RESPONSE FORMAT <measure1>, <measure2>, <measure3>, <measure4>,
<measure5>, <measure6>, <measure7>
• Current cursor measurements are displayed in <measure1> to <measure7> in <NR3 Numeric Response Data> format.
• When the cursor mode is disabled or the data cannot be measured, the query returns +9.91E+37.
• Seven types of cursor measurement results are output, respectively separated by a comma, regardless of whether cursor mode has been selected. For items not covered by the measurement, the query returns +9.91E+37.
• The table below shows the relationship between <measure1> to <measure7> and cursor mode.
<measure1>:= CH1 <measure2>:= CH2 <measure3>:= CH3 <measure4>:= CH4 <measure5>:= MATH <measure6>:= delta t <measure7>:= 1 / delta t When MATH is FFT, M1:TRA is ON and CURM is VATH, CMSR? returns frequency at the cursor of the FFT waveform for <measure7>.
REMARKS When calculating the cursor measurement values of the
YT display Amplitude, Value at Cursor, and XY display ch Amplitude in the model WJ352/332/322/312, <measure3> and <measure4> return "+9.91E+37".
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Hard Copy COPY
Command
DESCRIPTION The COPY command copies the current screen data to USB
Memory.
COMMAND SYNTAX COPY
QUERY SYNTAX RESPONSE FORMAT
Vertical CPL
Command/Query DESCRIPTION The CPL command sets the coupling mode of the specified
input channel. The CPL? query returns the selected coupling mode.
COMMAND SYNTAX <channel>:CPL <coupling>
<channel>:={C1, C2, C3, C4} (for WJ354/334/324/314) :={C1, C2} (for WJ352/332/322/312) <coupling>:={AC1M, GND, DC1M, DC50} (for WJ354/334/352/332) :={AC1M, GND, DC1M} (for WJ324/314/322/312)
QUERY SYNTAX <channel>:CPL?
RESPONSE FORMAT <coupling>
The current coupling mode is identified in <coupling>.
Cursor CURM
Command/Query DESCRIPTION The CURM command defines the cursor mode. The CURM?
query returns the defined cursor mode.
COMMAND SYNTAX CURM <mode>
<mode>: = {OFF, DV, DH, DHDV, VATH}
QUERY SYNTAX CURM?
RESPONSE FORMAT <mode>
System DATE
Command/Query DESCRIPTION The DATE command defines the date and time. The DATE?
query reads the defined date and time.
COMMAND SYNTAX DATE <day>,<month>,<year>,<hour>,<minute>,<second>
<day>:= a number from 1 to 31. <month>:= {JAN, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV, DEC} <year>:= a number from 2000 to 2099. <hour>:= a number from 0 to 23. <minute>:= a number from 0 to 59. <second>:= a number from 0 to 59.
QUERY SYNTAX DATE?
RESPONSE FORMAT <day>,<month>,<year>,<hour>,<minute>,<second>
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Automatic Measurement DIRM
Command/Query DESCRIPTION The DIRM command sets the direction of automatic
measurement from A, B, C, and D. The DIRM? query returns the currently selected direction.
COMMAND SYNTAX DIRM <dir>
<dir>:={A, B, C, D}
QUERY SYNTAX DIRM? RESPONSE FORMAT <dir>
The current direction status of the automatic measurement, A, B, C, or D, is identified in <dir>.
Data transfer DTBORD
Command/Query
DESCRIPTION The DTBORD command defines the order of bytes for the
WORD or DWORD waveform data transfer. (Do not affect ASCII and BYTE data transfer.) The DTBORD? query returns the defined byte order.
COMMAND SYNTAX DTBORD <order>
<form>:={H/L, L/H} H/L := transfer WORD or DWORD data in (most) upper byte first. L/H := transfer WORD or DWORD data in (most) lower byte
first. QUERY SYNTAX DTBORD? RESPONSE FORMAT <order>
The byte order is identified in <form>.
REMARKS
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Data transfer DTFORM
Command/Query
DESCRIPTION The DTFORM command defines the format used to transfer
waveform data. The DTWAVE? query transfers the waveform data. The DTFORM? query returns the defined waveform data transfer format. For more information on the waveform data transfer format, see the DTWAVE? query.
COMMAND SYNTAX DTFORM <form>
<form>:={ASCII, BYTE, WORD} ASCII := transfer waveform data in ASCII mode. BYTE := transfer waveform data in binary mode and use BYTE format. WORD := transfer waveform data in binary mode and use WORD format. Byte order in the word is able to be specified by DTBORD command.
QUERY SYNTAX DTFORM? RESPONSE FORMAT <form>
The waveform data transfer format is identified in <form>.
REMARKS
In some cases, waveform transfer format is fixed in spite of DTFORM. Following is the WAVESRC, ACQ and DTFORM matrix: Source
waveform (WAVESRC)
Channel Waveform, ACQ= NORMAL, PEAK. (data bits = 8) Channel Waveform, ACQ= AVERAGE. (data bits =
16) Math waveform, Operator = Add, SUB. (data bits =
16) Math waveform, Operator = MULT. (data bits =
32) Math waveform, Operator = FFT. (data bits =
16)
DTFORM = BYTE DTFORM = WORD DTFORM = ASCII
Transferred in BYTE format
Transferred in WORD format
Transferred in ASCII
format (lower byte is filled with 0)
Transferred in BYTE format
Transferred in WORD format
Transferred in ASCII
format
(lower 8bit is truncated)
Transferred in WORD format
Transferred in DWORD format
Transferred in WORD format
Transferred in WORD format
Transferred in DWORD format
Transferred in WORD format
Transferred in ASCII
format
Transferred in ASCII
format
Transferred in ASCII
format
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Data transfer DTINF?
Query
DESCRIPTION The DTINF? query reads the waveform information. COMMAND SYNTAX QUERY SYNTAX DTINF? RESPONSE FORMAT REMARKS
DTINF? result format All following items are returned in one line, comma separated. Item number
(4ch/2ch)
See below
This command does not support the multi-command.
Item (with result
sample)
Explanation Notes
1/1 ModelName =
LeCroy WJ354
2/2 FileVersion = 1 Version of this
3/3 SaveTime =
2006/08/09 15:13:34
4/4 [Channel1] Category name
5/5 Volts/div = 5.00V Ch1 Volts/div
6/6 Offset = 7.50V Ch1 offset when
7/7 Waveform =
Available
8/8 [Channel2] Category name
9/9 Volts/div = 100mV Ch2 Volts/div
10/10 Offset = -150mV Ch2 offset when
Scope model name
information format Date and time of this waveform information creation
for Channel 1 vertical information
when the last waveform was acquired
the last waveform was acquired Ch1 waveform data availability
for Channel 2 vertical information
when the last waveform was acquired
the last waveform was
Probe ratio is not considered.
Probe ratio is not considered.
This could be [Unavailable] by some condition, for example:
- Trace is off
- Scope is not triggered yet
Probe ratio is not considered.
Probe ratio is not considered.
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acquired
11/11 Waveform =
Unavailable
Ch2 waveform data availability
12/- [Channel3] Category name
for Channel 3 vertical information
This item and followed three items are appear only when the scope has channel 3. (WJ354/334/324/314)
13/- Volts/div = 100mV Ch3 Volts/div
when the last
Probe ratio is not
considered. waveform was acquired
14/- Offset = 150mV Ch3 offset when
the last
Probe ratio is not
considered. waveform was acquired
15/- Waveform =
Unavailable
Ch3 waveform data availability
16/- [Channel4] Category name
for Channel 4 vertical information
This item and
followed three items
are appear only when
the scope has
channel 4.
(WJ354/334/324/314)
17/- Volts/div = 100mV Ch4 Volts/div
when the last
Probe ratio is not
considered. waveform was acquired
18/- Offset = 150mV Ch4 offset when
the last
Probe ratio is not
considered. waveform was acquired
19/- Waveform =
Unavailable
Ch4 waveform data availability
20/12 [Horizontal] Category name
for horizontal information
21/13 Time/div = 500ms Time/div when
the last waveform was acquired.
22/14 Delay =
+0.000000000000s
Trigger delay (Trigger position) when the last waveform was acquired
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23/15 [Acquisition] Category name
for acquisition information
24/16 Memory Length =
500000
25/17 Average Count = 0 Number of
26/18 Wave Info = Peak
Roll
27/19 [Timebase Info] Category name
28/20 Time Stamp =
15:13:34.7
29/21 Sampling = 100kS Sampling rate
Actual memory length of acquired waveform
averaged times of the last waveform.
Acquisition mode of the last waveform.
for timebase information Timestamp of the last waveform acquisition
when the last waveform was acquired
This is not the setting of Max Memory Length but the data record length of current waveform. This is the actual averaged times. The value could be any number between 0 and
256.
This is the acquired waveform information in combination of [Normal, Peak, Average, Roll, Equ, Interleave]
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Data transfer DTPOINTS
Command/Query
DESCRIPTION The DTPOINTS command defines the amount of waveform
data to be transferred. The DTPOINTS? query returns the defined amount of waveform data to be transferred.
COMMAND SYNTAX DTPOINTS <points>
<points>:=1 to (waveform data length - DTSTART) Any values exceeding this range are rounded to the maximum or minimum permissible value, whichever is nearest.
QUERY SYNTAX DTPOINTS? RESPONSE FORMAT <points>
The defined amount of waveform data to be transferred is identified in <points>. The format is <NR1 Numeric Response Data>.
REMARKS (Transfer start address) + (Amount of data to be
transferred) > (Total amount of waveform data) When DTPOINTS command causes the above case, the transfer start address is rounded to a permissible value.
Data transfer DTSTART
Command/Query
DESCRIPTION The DTSTART command defines the transfer start address
for waveform data transfer. The DTSTART? query returns the defined transfer start address.
COMMAND SYNTAX DTSTART <start>
<start>:=0 to (waveform data length - 1) Any values exceeding this range are rounded to the maximum or minimum permissible value, whichever is nearest.
QUERY SYNTAX DTSTART? RESPONSE FORMAT <start>
The defined start address for waveform data transfer is identified in <start>. The format is <NR1 Numeric Response Data>.
REMARKS (Transfer start address) + (Amount of data to be
transferred) > (Total amount of waveform data) When DTSTART command causes the above case, the amount of data to be transferred is rounded to a permissible value.
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_
_
Data transfer DTSTUP
Command/Query
DESCRIPTION The DTSTUP command writes setup data for the product.
The DTSTUP? query reads the setup data (the setup data found when the query is issued) from the product.
COMMAND SYNTAX DTSTUP<LF+EOI>#8<byte-length><binary-block>
DTSTUP command, unlike other commands, requires two steps. Step 1: Send DTSTUP command without parameter. Then the scope becomes ready to receive setup data block. Step 2: Send setup data block in #8<byte-length><binary-block> format. The contents of <byte_length> consists of an 8-digit ASCII string. This string must represent the number of bytes to be entered into <binary a sign-free, 8-digit integer, and zero must not be deleted. The data transferred by the DTSTUP? query should be found in <binary_block>.
QUERY SYNTAX DTSTUP? RESPONSE FORMAT #8<byte-length><binary-block>
#8 shows that the response message is described in the format of <Definite Length Arbitrary Block Response Data> and the content of the following <byte_length> is a sign-free, 8-digit integer.
The contents of <byte of bytes to be entered into <binary length should always be a sign-free, 8-digit integer including zero.
The contents of <binary_block> represent the product's setup data in binary code.
REMARKS
Data transfer DTWAVE?
Query
DESCRIPTION The DTWAVE? query reads the waveform data. COMMAND SYNTAX QUERY SYNTAX DTWAVE? RESPONSE FORMAT REMARKS
This command does not support the multi-command.
This command does not support the multi-command.
block>. The byte length should always be
length> represents the number
block>. The byte
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Horizontal EQU
Command/Query
DESCRIPTION The EQU command enables or disables the equivalent
sample. The EQU? query returns the enabled or disabled equivalent sample status.
COMMAND SYNTAX EQU <state>
<state>:={ON, OFF}
QUERY SYNTAX EQU? RESPONSE FORMAT <state> REMARKS When XYDS is XY, equivalent sample is turned off and
EQU ON is ignored without error.
Status *ESE
Command/Query
DESCRIPTION The *ESE command defines the standard event status
enable (ESE) register. This command allows the user to connect multiple events in the ESR register to the ESB summary message bit (bit 5) of the STB register. The *ESE? query reads the contents of the ESE register.
COMMAND SYNTAX *ESE <value>
<value>:=0 to 255
QUERY SYNTAX *ESE? RESPONSE FORMAT <value>
The current contents of the ESE register are identified in <value>. The format is <NR1 Numeric Response Data>.
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Status *ESR?
Query
DESCRIPTION The *ESR? query reads and clears the event status
register (ESR). The binary codes in register bits 0 to 7 are added together, and the sum is returned as a response to this query. The structure of the ESR register is outlined in "Remarks".
COMMAND SYNTAX
QUERY SYNTAX *ESR? RESPONSE FORMAT <value>
The current contents of the ESR register are identified in <value>. The format is <NR1 Numeric Response Data>.
REMARKS The table below shows the structure of the ESR register.
Bit Weighting Description 7 128 PON: Power-on 6 64 URQ: This bit is not used in this product. 5 32 CME: Command error 4 16 EXE: Execution error 3 8 DDE: Device-specific error 2 4 QYE: Query error 1 2 RQC: This bit is not used in this product. 0 1 OPC: Operation complete
Horizontal FDELTA?
Query DESCRIPTION The FDELTA? query returns delta-f (frequency
resolution) of the FFT results in Hz.
COMMAND SYNTAX
QUERY SYNTAX FDELTA?
RESPONSE FORMAT <value>
<value>:= <NR3 Numeric Response Data> format. <value> shows the frequency resolution of the FFT results.
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Math FHZPOS
Command/Query DESCRIPTION The FHZPOS command sets the frequency at the center of
the screen in Hz, to set horizontal position of FFT waveform. The FHZPOS? query returns the frequency at the center of the screen of FFT waveform in Hz.
COMMAND SYNTAX FHZPOS <fft_hpos>
<fft_hpos> is set in <DECIMAL NUMERIC PROGRAM DATA> format. A value beyond the setting range is rounded to a permissible closer value.
QUERY SYNTAX FHZPOS?
RESPONSE FORMAT <fft_hpos>
<fft_hpos>:= <NR3 Numeric Response Data> format. <fft_hpos> shows the horizontal position (position) of the FFT waveform.
REMARKS
Math FHZZOOM
Command/Query DESCRIPTION The FHZZOOM command sets the horizontal zoom factor of
the FFT waveform. The FHZZOOM? query returns the horizontal zoom factor of the FFT waveform.
COMMAND SYNTAX FHZZOOM <fft_hzoom>
<fft_hzoom>:= {1, 2, 5, 10} A value other than previously specified is rounded to
a permissible larger value. QUERY SYNTAX FHZZOOM? RESPONSE FORMAT <fft_hzoom>
<fft_hzoom> shows the horizontal zoom factor of the FFT
waveform. REMARKS When FFT trace is off, FHZZOOM command reports
command-execution error (CME)
Horizontal FRQCNT?
Query DESCRIPTION The FRQCNT? query returns the trigger signal frequency
result that is measured by internal trigger frequency
counter. COMMAND SYNTAX
QUERY SYNTAX FRQCNT? RESPONSE FORMAT <value>
<value>:= <NR3 Numeric Response Data> format. <value>
shows the frequency of trigger signal.
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Math FSRC
Command/Query
DESCRIPTION The FSRC command sets the signal source for FFT. The
FSRC? query returns the currently set signal source for FFT.
COMMAND SYNTAX FSRC <source>
<source>: = {CH1, CH2, CH3, CH4} (WJ354/334/324/314) : = {CH1, CH2} (WJ352/332/322/312)
QUERY SYNTAX FSRC? RESPONSE FORMAT <source>
<source> shows the current signal source for FFT.
REMARKS FSRC command/query reports Device-specific error (DDE)
when math operator is not FFT. Use MATHS instead of FSRC to select source channels for math operation other than FFT.
Math FWINDOW
Command/Query
DESCRIPTION The FWINDOW command sets the FFT window. The FWINDOW?
query returns the FFT window.
COMMAND SYNTAX FWINDOW <type>
<type>:= {RECT, VONHANN, FLATTOP}
QUERY SYNTAX FWINDOW? RESPONSE FORMAT <type> REMARKS FWINDOW command reports device-specific error (DDE)
when MATH is not FFT.
DISPLAY GRAT
Command/Query
DESCRIPTION The GRAT command selects the graticule type from Grid,
Axis or Frame. The GRAT? query returns the current graticule type.
COMMAND SYNTAX GRAT <type>
<type> := {GRID, AXIS, FRAME} GRID := Select grid graticule type. AXIS := Select axis graticule type. FRAME := Select frame graticule type.
QUERY SYNTAX GRAT? RESPONSE FORMAT <type>
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IEEE 488.1 Emulation GTL
Command DESCRIPTION Go To Local Command COMMAND SYNTAX GTL
QUERY SYNTAX
RESPONSE FORMAT
Cursor HCUR
Command/Query DESCRIPTION The HCUR command defines the position of the time cursor
in "div". The HCUR? query returns the defined position
of the time cursor. COMMAND SYNTAX HCUR <Cursor1>, <Cursor2>
<Cursor1>:=-5.00 to +4.98 (When CURM is DH or DHDV)
<Cursor1>:=-5.00 to +4.99 (When CURM is VATH)
<Cursor2>:=-5.00 to +4.98 (When CURM is DH or DHDV)
<Cursor2>:=-5.00 to +4.99 (When CURM is VATH)
<Cursor1> and <Cursor2> respectively represent
positions of time cursors Cursor1 and Cursor2 on the
screen, using the unit, "div". For how to round the
value, see "Remarks". The left end of the screen
corresponds to -5.00, the center to 0, the right end
to +4.98 when CURM is DH or DHDV and +4.99 when CURM
is VATH. QUERY SYNTAX HCUR?
RESPONSE FORMAT <Cursor1>, <Cursor2>
Current positions of the time cursors are identified
in <Cursor1> and <Cursor2>. The format is <NR3 Numeric
Response Data>. REMARKS When CURM is DH or DHDV, the resolution of <Cursor1>
and <Cursor2> is 0.02. When CURM is VATH, the resolution
of <Cursor1> and <Cursor2> is 0.01. If another value
is input, it is rounded to a number having a small
absolute value.
If the cursor mode is set to "Value at Cursor", the
setting of <Cursor1> is enabled.
Although <Cursor2> is disabled, you should still set
it.
HCUR command reports Device-specific error (DDE) when
CURM is not DH, DHDV or VATH.
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Others *IDN?
Query DESCRIPTION The *IDN? query inquires about product information. The
response consists of four fields and provides information on the manufacturer, oscilloscope model type, serial number, and firmware revision level.
COMMAND SYNTAX QUERY SYNTAX *IDN? RESPONSE FORMAT LECROY,<model>,<serial_number>,<firmware-level>
<model>: 5-digit model ID (e.g., WJ354) <serial_number>: 14-digit serial number (e.g., LCRY0101J00001) <firmware_level>: 1-digit number showing release level, followed by a period, and a 2­digit minor release level (i.e., the format is "x.yy".)
Math MATH
Command/Query
DESCRIPTION The MATH command defines the type of mathematical
operation for waveforms. The MATH? query returns the defined mathematical operation type.
COMMAND SYNTAX MATH <operator>
<operator>:={ADD, SUB, MULT, FFT}
QUERY SYNTAX MATH? RESPONSE FORMAT <mode>
The currently defined mathematical operation type is identified in <mode>.
REMARKS Mathematical operations are stopped when XYDS is XY or
XYTRG. The FFT waveform is not displayed while the roll mode data acquisition is ongoing. FFT will be displayed after each acquisition is done or STOP(TRMD STOP) command is sent.
Math MATHS
Command/Query
DESCRIPTION The MATHS command sets the source channels for the
calculation waveform. The MATHS? query returns the source channels set for the calculation waveform.
COMMAND SYNTAX MATHS <source1>,<source2>
<source1>: = {CH1, CH2, CH3, CH4} (WJ354/334/324/314) : = {CH1, CH2} (WJ352/332/322/312) <source2>: = {CH1, CH2, CH3, CH4} (WJ354/334/324/314) : = {CH1, CH2} (WJ352/332/322/312)
QUERY SYNTAX MATHS? RESPONSE FORMAT <source1>,<source2>
<source1> and <source2> show the currently set source channels for the calculation waveform.
REMARKS Use FSRC instead of MATHS to specify FFT source channel.
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MEASURE MDSP
Command/Query
DESCRIPTION The MDSP command turns on or off parameter
measurements. When the parameter measurements are
turned on, the measurement results are displayed on the
screen and are also available for readout by MSRA?,
MSRB, MSRC? and MSRD? queries. COMMAND SYNTAX MDSP <function>
<function>:={ON, OFF}
QUERY SYNTAX MDSP? RESPONSE FORMAT <function> REMARKS MDSP is set to OFF when XYDS is XY or XYTRG.
MEASURE MINMAX
Command/Query
DESCRIPTION The MINMAX command enables or disables Min/Max of
Measure.
The MINMAX? query reads the currently Min/Max of
Measure status. COMMAND SYNTAX MINMAX <function>
<function>:={ON, OFF}
QUERY SYNTAX MINMAX? RESPONSE FORMAT <function>
Horizontal MLEN
Command/Query
DESCRIPTION The MLEN command sets the maximum memory length. The
MLEN? query returns the current maximum memory length.
COMMAND SYNTAX MLEN <length>
<length>:={500, 1K, 10K, 100K, 500K} (Time/div is
20s/div or faster)
<length>:={1K, 10K, 100K, 500K} (Time/div is 50s/div)
<length>:={1K} (XYDS is XY) QUERY SYNTAX MLEN?
RESPONSE FORMAT <length> REMARKS Max memory length is fixed at 1K when XYDS is XY.
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Automatic Measurement MSEL
Command/Query
DESCRIPTION The MSEL command selects the measurement item of
automatic measurement A, B, C or D defined using the automatic measurement direction command DIRM. The MSEL? query returns the selected measurement item.
COMMAND SYNTAX MSEL <ch>, <mode>
<ch>:={OFF, CH1, CH2, CH3, CH4, MATH} (WJ354/334/324/314) :={OFF, CH1, CH2, MATH} (WJ352/332/322/312) <mode>:= {MAX, MIN, P-P, VRMS, CVRMS, VMEAN, CVMEAN, TOP, BASE, T-B, +OSHOT, -OSHOT, TR20-80, TF80-20, TR10-90, TF 90-10, FREQ, PERIOD, +PULSE, -PULSE,
+WIDTH, -WIDTH, DUTY, INTEGRAL, SKEW, DELTAT} QUERY SYNTAX MSEL? RESPONSE FORMAT <ch>, <mode>
The selected automatic measurement channel is
identified in <ch>.
The automatic measurement item is identified in <mode>. REMARKS If <ch> is set to CH3 or CH4 in the model
WJ352/332/322/312, it is rounded to CH1.
Automatic Measurement MSRA?, MSRB?, MSRC?, MSRD?
Query
DESCRIPTION MSRA?, MSRB?, MSRC? and MSRD? queries respectively read
automatic measurements A, B, C, and D. COMMAND SYNTAX
QUERY SYNTAX MSRA? (or MSRB?, MSRC?, or MSRD?)
RESPONSE FORMAT <measure>
The result of automatic measurement A (or B, C, or D)
is identified in <measure>. The indicated value is
converted into <NR3 Numeric Response Data> and
returned. If automatic measurement is not possible,
+9.91E+37 is returned.
<value>
<value>, <maximum_value>, <minimum_value>
If automatic measurement is not valid (in case
measurement is turned off), the result becomes
+9.91000E+37.
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Vertical OFST
Command/Query DESCRIPTION The OFST command sets the vertical position (offset)
of the specified input channel. The setting range depends on the vertical sensitivity. The OFST? query returns the defined vertical position (offset). Both command and query are always available regardless if the specified channel's trace is on or off. Probe ratio is considered in the vertical position (offset) value to set or query.
COMMAND SYNTAX <trace>:OFST <offset>
<trace>: = {C1, C2, C3, C4, M1} (WJ354/334/324/314) : = {C1, C2, M1} (WJ352/332/322/312) <offset>:= Offset voltage. The <DECIMAL NUMERIC PROGRAM DATA> format is basically used in <offset>, and the suffix is also valid. For the setting range and rounding rule, see "Remarks".
QUERY SYNTAX <trace>:OFST?
RESPONSE FORMAT <offset>
The current offset is identified in <offset> in <NR3 Numeric Response Data> format.
REMARKS
Setting range of OFST command. (when probe ratio is 1:1)
Trace Vertical sensitivity Offsetting range
C1,C2,C3,C4
2mV/div 50mV/div 100mV/div 500mV/div 1V/div 10V/div
±1 V
±10 V
±100 V M1 (+, -, X) ±500 div
M1 (FFT)
-100+150 dBm
Any value outside the above range is rounded to the maximum or minimum permissible value, whichever is nearest. In addition, some value may be rounded to a permissible smaller value.
When the probe ratio is 10:1, 100:1, 1000:1or 2000:1, the above range is multiplied by 10, 100, 1000 or 2000.
When the probe ratio is set to "AUTO", the above range is multiplied by 1, 10, or 100, depending on the detected probe ratio.
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Status *OPC
Command/Query DESCRIPTION The *OPC (Operation Complete) command sets the OPC bit
(bit 0) of the standard event status register (ESR) to "1" when all the preceding operations are completed. Since the *OPC? query issues the response after execution of all preceding commands, "1" is returned. For the *OPC? query, the OPC bit (bit 0) of the ESR register is not affected by other operations.
COMMAND SYNTAX *OPC
QUERY SYNTAX *OPC?
RESPONSE FORMAT 1
DISPLAY PERS
Command/Query DESCRIPTION The PERS command sets persistence display time. The
PERS? query returns the current persistence display time.
COMMAND SYNTAX PERS <time>
<time> := {OFF, 100MS, 200MS, 500MS, 1S, 2S, 5S, 10S, INFINITE} OFF := Set persistence off. 100MS := Set persistence time to 100ms. 200MS := Set persistence time to 200ms. 500MS := Set persistence time to 500ms. 1S := Set persistence time to 1s. 2S := Set persistence time to 2s. 5S := Set persistence time to 5s. 10S := Set persistence time to 10s. INIFINITE := Set persistence time to infinity.
QUERY SYNTAX PERS? RESPONSE FORMAT <time>
Vertical PROBE
Command/Query
DESCRIPTION The PROBE command sets the probe ratio of the specified
input channel. AUTO, 1, 10, 100, 1000, or 2000 can be selected. The PROBE? query returns the selected probe ratio.
COMMAND SYNTAX <channel>:PROBE <probe_mode>, <probe>
<channel>: = {C1, C2, C3, C4} (WJ354/334/324/314) : = {C1, C2} (WJ352/332/322/312) <probe_mode>: = {AUTO, MANUAL} <probe>: = {1, 10, 100, 1000, 2000} For the combination and meaning of set items in <probe_mode> and <probe>, see "Remarks".
QUERY SYNTAX <channel>:PROBE?
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RESPONSE FORMAT <probe_mode>,<probe>
When the probe ratio is 1:1, 10:1, 100:1, 1000:1, or 2000:1, a value equal to the PROBE command parameter is returned. When the probe ratio is set to "AUTO", the auto detected probe ratio is returned to <probe>.
REMARKS
Selected probe ratio and PROBE query result
Set probe ratio <probe_mode> <probe>
AUTO AUTO 1/10/100 1:1 MANUAL 1 10:1 MANUAL 10 100:1 MANUAL 100 1000:1 MANUAL 1000
2000:1 MANUAL 2000
The table shows settings for <probe_mode> and <probe>.
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y
d
m
Save/Recall *RCL
Command
DESCRIPTION The *RCL command recalls the oscilloscope front panel
setup data from one of five internal memory areas.
COMMAND SYNTAX *RCL <panel_setup>
<panel_setup>:0, 1 to 5 0 := to recall default setup. 1 to 5 := to recall setup from one of five internal memor areas.
QUERY SYNTAX RESPONSE FORMAT REMARKS
Horizontal ROLL
Command/Query
DESCRIPTION The ROLL command enables or disables roll operations.
The ROLL? query returns the current roll operation status.
COMMAND SYNTAX ROLL <state>
<state>:={ON, OFF}
QUERY SYNTAX ROLL? RESPONSE FORMAT <state> REMARKS When roll operation is enabled while acquisition is
average, the acquisition mode is set to normal. Roll operation is turned off when XYDS is XY or XYTRG.
Save/Recall *RST
Command DESCRIPTION The *RST command enables device reset. The *RST comman
recalls the default setups.
COMMAND SYNTAX *RST
QUERY SYNTAX
RESPONSE FORMAT
Acquisition RUN
Command DESCRIPTION RUN sets the trigger mode to "AUTO" and starts wavefor
acquisitions. If the trigger mode is already "AUTO", this command is ignored. RUN acts same as "TRMD AUTO".
COMMAND SYNTAX RUN QUERY SYNTAX
RESPONSE FORMAT
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Save/Recall *SAV
Command DESCRIPTION The *SAV command saves the front panel setup data of
the oscilloscope to nonvolatile internal memory.
COMMAND SYNTAX *SAV <panel_setup>
<panel_setup>:0, 1 to 5 0 := do nothing.
QUERY SYNTAX RESPONSE FORMAT
Automatic Measurement SKLV
Command/Query
DESCRIPTION The SKLV command defines the measurement conditions of
automatic measurement SKEW specified with the MSEL command. The SKLV? query returns the defined measurement conditions.
COMMAND SYNTAX SKLV <level1>, <slope1>, <source2>, <level2>, <slope2>
<level1> is set in a range of 10 to 90 in <DECIMAL NUMERIC PROGRAM DATA> format, assuming that P-P of the waveform is 100%. A value beyond the setting range is rounded to a permissible value. <slope1>:={RISE, FALL} <source2> :={CH1, CH2, CH3, CH4} (WJ354/334/324/314) :={CH1, CH2} (WJ352/332/322/312) <level2> is set in a range of 10 to 90 in <DECIMAL NUMERIC PROGRAM DATA> format, assuming that P-P of the waveform is 100%. A value beyond the setting range is rounded to a permissible value. <slope2>:={RISE, FALL}
QUERY SYNTAX SKLV? RESPONSE FORMAT <level1>, <slope1>, <source2>, <level2>, <slope2>
The parameter setting "Level1" of automatic measurement SKEW is identified in <level1>. The parameter setting "Slope1" of automatic measurement SKEW is identified in <slope1>. The parameter setting "Source2" of automatic measurement SKEW is identified in <source2>. The parameter setting "Level2" of automatic measurement SKEW is identified in <level2>. The parameter setting "Slope2" of automatic measurement SKEW is identified in <slope2>.
REMARKS If <from ch> or <to ch>is set to CH3 or CH4 in the model
WJ352/332/322/312, it is rounded to CH1. SKLV command reports device-specific error (DDE) when MSEL is not SKEW.
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Status *SRE
Command/Query
DESCRIPTION The *SRE command defines the service request enable
(SRE) register. This command allows the user to specif what SBT register summary bit is used to create the service request (SRQ). If "1" is written to the associated bit location, the summary message bit is enabled. If "0" is written to the associated bit location, the service request is no longer created b the associated event. After the SRE register is cleared, the SRQ interrupt is disabled. When the value is converted into binary code, the *SRE? query returns the value that represents the bit setting in the SRE register.
COMMAND SYNTAX *SRE <value>
<value>:=0 to 255
QUERY SYNTAX *SRE? RESPONSE FORMAT <value>
The current SRE register settings are identified in <value> in <NR1 Numeric Response Data> format.
Status *STB?
Query DESCRIPTION The *STB? query reads the status register (STB) define
in IEEE 488.1 and the master summary status (MSS). The response includes those values specified in bits 0 t 7 of the status byte register. For details about structure of each bit, see Remarks. The response to the *STB? query is the same as that fo series polling, except that bit 6 contains the MSS summary message instead of the RQS message.
COMMAND SYNTAX
QUERY SYNTAX *STB?
RESPONSE FORMAT <value>
The current STB register settings are identified in <value> in <NR1 Numeric Response Data> format.
Acquisition STOP Command DESCRIPTION STOP sets the trigger mode to "STOP". If the trigger mode
has already been "STOP", this command is ignored. STO acts same as "TRMD STOP".
COMMAND SYNTAX STOP QUERY SYNTAX
RESPONSE FORMAT
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Trigger TCOUNT
Command/Query DESCRIPTION The TCOUNT command defines the number of pulses for
pulse count trigger (TTYP=COUNT). The TCOUNT? query returns the currently set number o pulses for pulse count trigger.
COMMAND SYNTAX TCOUNT <number>
<number> := 1 to 9999
QUERY SYNTAX TCOUNT? RESPONSE FORMAT <number>
REMARKS TCOUNT command reports device-specific error (DDE) whe
TTYP is not COUNT.
Trigger TCPL
Command/Query DESCRIPTION The TCPL command defines the trigger coupling mode. The
TCPL? query returns the defined trigger coupling.
COMMAND SYNTAX TCPL <tirg_coupling>
<trig_coupling>:={AC, DC, HF, LF}
QUERY SYNTAX TCPL? RESPONSE FORMAT <trig_coupling>
The current trigger coupling is identified in <trig_coupling>.
REMARKS When TSRC is LINE or TTYP is TV, TCPL command reports
device-specific error (DDE) and TCPL? query returns DC.
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Horizontal TDIV
Command/Query
DESCRIPTION The TDIV command sets timebase. The timebase is specified
using any of the following suffixes: NS (nanosecond), US (microsecond), MS (millisecond), or S (second). If the specified value exceeds the allowable range, it is rounded to a permissible value. The TDIV? query returns the currently set timebase.
COMMAND SYNTAX TDIV <value>
<value>:= Timebase setup parameter. The <DECIMAL NUMERIC PROGRAM DATA> format is used, and the suffix is also valid.
QUERY SYNTAX TDIV? RESPONSE FORMAT <value>
<value>:= The currently set timebase is identified in <NR3 NUMERIC RESPONSE DATA> format.
REMARKS
The TDIV command rounds the figure in <value> as follows.
Rounding range Set timebase Note
500 ps/div is available for
value <= 500E-12 500 ps/div
500E-12 < value <= 1E-9 1 ns/div
1E-9 < value <= 2E-9 2 ns/div 2E-9 < value <= 5E-9 5 ns/div 5 ns/div is available for all models : : 10 < value <= 20 20 s/div 20 < value 50 s/div
WJ354/352 only 1 ns/div is available for WJ354/352/334/332 2 ns/div is available for WJ354/352/334/332/324/322
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Status TESE
Command/Query
DESCRIPTION The TESE command sets the trigger event status enable
register. In other words, it determines whether the summary message of the trigger event status register is connected to the status byte. The TESE? query reads the current setting of the trigger event status enable register.
COMMAND SYNTAX TESE <value>
<value>:=0 to 255
QUERY SYNTAX TESE? RESPONSE FORMAT <value>
The current setting of the trigger event status enable register is identified in <value>. The format is <NR1 Numeric Response Data>.
Status TESR?
Query
DESCRIPTION The TESR? query reads the trigger event status
register. In other words, it determines whether a single measurement is completed. After the status is read, the contents of the register are cleared.
COMMAND SYNTAX
QUERY SYNTAX TESR? RESPONSE FORMAT <status>
Each bit of the trigger event status register is weighted by a power of 2. The format is <NR1 Numeric Response Data> and the value ranges from 0 to 255.
Trigger THTM
Command/Query DESCRIPTION The THTM command defines the trigger hold-off time. The
THTM? query returns the defined trigger hold-off time.
COMMAND SYNTAX THTM <holdoff>
<holdoff>:= The <DECIMAL NUMERIC PROGRAM DATA> format is used, and the suffix is also valid. Available range is 0 to 50.0 s. If specified holdoff is < 200 ns, the trigger hold-off is turned off.
QUERY SYNTAX THTM?
RESPONSE FORMAT <holdoff>
The currently set hold-off time is identified in <holdoff>. If the hold-off time is set to "OFF", 0 is input to <holdoff>. The format is <NR3 NUMERIC RESPONSE DATA>.
REMARKS THTM command reports device-specific error (DDE) when
TTYP is not EDGE..
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Trigger TLVL
Command/Query DESCRIPTION The TLVL command sets the trigger level of the channel
set by the trigger source. If a value beyond the setting range is specified, it is rounded to the maximum or minimum value. The TLVL? query returns the trigger level of the channel specified in the trigger source.
COMMAND SYNTAX TLVL <trig_level>
<trig_level>:= The <DECIMAL NUMERIC PROGRAM DATA> format is basically used, and the suffix is also valid. For the setting range and rounding rules, see "Remarks". Note: The TLVL command can be used without the suffix, V. The setting range and resolution of the <trig is changed according to vertical sensitivity. (Trigger level range) = (-5div to +5div) (Trigger level resolution) = (1div / 50)
QUERY SYNTAX TLVL?
RESPONSE FORMAT <trig_level>
<trig is used. The currently set trigger level is input here.
level>:= The <NR3 NUMERIC RESPONSE DATA> format
level>
REMARKS When TSRC is LINE or TTYP is TV, TLVL command reports
device-specific error (DDE) and TLVL? query returns +0.00000E+00.
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Automatic Measurement TPRM
Command/Query DESCRIPTION The TPRM command sets the measurement conditions for
the automatic measurement item DELTAT set using the MSEL command. The TPRM? query returns the measurement conditions for the automatic measurement item DELTAT set using the MSEL command.
COMMAND SYNTAX TPRM <from ch>, <from level>, <from edge>, <to ch>, <to
level>, <to edge> <from ch>:={OFF, CH1, CH2, CH3, CH4, MATH} (WJ354/334/324/314) :={OFF, CH1, CH2, MATH} (WJ352/332/322/312) <from edge>:= {RISE, FALL} <from level> is set in <DECIMAL NUMERIC PROGRAM DATA> format. A voltage value in a range of –5 div to +5 div from the center of the screen is set, assuming that the ground level is 0 V. <to ch>:={CH1, CH2, CH3, CH4, MATH} (WJ354/334/324/314) :={CH1, CH2, MATH} (WJ352/332/322/312) <to edge>:= {RISE, FALL} <to level> is set in <DECIMAL NUMERIC PROGRAM DATA> format. A voltage value in a range of –5 div to +5 div from the center of the screen is set, assuming that the ground level is 0 V.
QUERY SYNTAX TPRM? RESPONSE FORMAT <from ch>, <from level>, <from edge>, <to ch>, <to
level>, <to edge> <from level> shows a voltage value in a range of –5 div to +5 div set in <NR3 Numeric Response Data> format, assuming that the ground level is 0 V. <to level> shows a voltage value in a range of –5 div to +5 div set in <NR3 Numeric Response Data> format, assuming that the ground level is 0 V.
If <from ch> is OFF, <from level> is returned as <from ch> is CH1. If <from ch> or <to ch> is MATH and the MATH is FFT, <from level> or <to level> becomes +9.91000E+37 that shows it is invalid.
REMARKS If <from ch> or <to ch> is set to CH3 or CH4 in models
WJ352/332/322/312, it is rounded to CH1. TPRM command reports device-specific error (DDE) when MSEL is not DELTAT.
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Trigger TPTM
Command/Query DESCRIPTION The TPTM command defines the parameters for period
trigger (TTYP=PEIOD). The TPTM? query returns the current parameters of period trigger.
COMMAND SYNTAX TPTM <when>,<m>
<when>:= {M_T, T_M} M_T := Set period trigger interval time condition to "m <= t".
M := Set period trigger interval time condition to
T "t <= m". <m>:= Set "m" time value. Available range is 40 ns to
50.0 s. The <DECIMAL NUMERIC PROGRAM DATA> format is used, and the suffix is also valid.
QUERY SYNTAX TPTM? RESPONSE FORMAT <when>,<m>
The currently set condition in <when>. The format is <CHARACTER RESPONSE DATA>. The currently set period time in <m>. The format is <NR3 NUMERIC RESPONSE DATA>.
REMARKS TPTM command reports device-specific error (DDE) when
TTYP is not PERIOD.
Vertical TRA
Command/Query
DESCRIPTION The TRA command enables or disables the trace
indication of the specified input channel. The TRA? query returns the display status of the specified trace.
COMMAND SYNTAX <trace>:TRA <mode>
<trace>:={C1, C2, C3, C4, M1} (for WJ354/334/324/314) :={C1, C2, M1} (for WJ352/332/322/312) <mode>:={ON, OFF}
QUERY SYNTAX <trace>:TRA? RESPONSE FORMAT <mode>
The current trace display status is identified in <mode>.
REMARKS When XYDS is XY or XYTRG, C1 and C2 are not able to be
turned off, and C3 and C4 are not able to be turned on.
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Horizontal TRDL
Command/Query
DESCRIPTION The TRDL command defines the horizontal position of the
trigger point in time. With the screen center defined as zero, the time duration from this zero point to the trigger point is set. The setting range is determined by the timebase (TDIV). The TRDL? query returns the set horizontal position of the trigger point.
COMMAND SYNTAX TRDL <value>
<value>:= Trigger point setup parameter. The <DECIMAL NUMERIC PROGRAM DATA> format is used, and the suffix is also valid.
The range of <value>: <value> := -500s to +5div (Time/div := 50s/div to 10ms/div) <value> := -5s to +5div (Time/div := 5ms/div to 10us/div) <value> := -5ms to +5div (Time/div := 5us/div to 500ps/div) <value> := -500s to +750s (Trigger mode is STOP) See Remarks for detail.
QUERY SYNTAX TRDL? RESPONSE FORMAT <value>
<value>:= The <NR3 NUMERIC RESPONSE DATA> format is used. The currently set trigger point is input here.
REMARKS
TRDL reports command-execution error (CME) when <value> is not a <DECIMAL NUMERIC PROGRAM DATA>. For more detail information see below.
1. Setting Range
The setting range and rounding method for the TRDL command are defined as follows, depending on the waveform acquisition and sweep time.
Trigger Mode Sweep time Setting range <value> SINGLE, NORMAL or AUTO
50s/div to 10ms/div
-500s to +5div
*
5ms/div to 10us/div -5s to +5div *
5us/div to 500ps/div -5ms to +5div
*
STOP - -500s to +750s *
• The above division value in the setting range is calculated from the following equation.
(Setting range upper limit) = +5div × (Sweep time)
• Any value exceeding the above range is rounded to the maximum or minimum permissible value, whichever is nearest.
2. Set resolution
The resolution is changed according to the set sweep time. The resolution is calculated from the following equation.
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(Delay value resolution) = (Sweep time) / 50
• When the specified resolution is not equal to the above value, it is rounded to the permissible value of which the absolute value is smaller.
Acquisition *TRG
Command
DESCRIPTION The *TRG command sets the trigger mode to "SINGLE" to
start single waveform acquisition.
COMMAND SYNTAX *TRG
QUERY SYNTAX RESPONSE FORMAT REMARKS *TRG reports device-specific error (DDE) and is not
performed when XYDS is XY.
Acquisition TRMD
Command/Query DESCRIPTION The TRMD command selects the trigger mode. The TRMD?
query returns the currently selected trigger mode.
COMMAND SYNTAX TRMD <mode>
<mode> := {AUTO, NORMAL, SINGLE, STOP}
AUTO := Set trigger mode to AUTO when scope is not in roll mode operation. If roll mode is on and scope is in roll mode operation range, AUTO initiates ENDLESS roll acquisition. NORMAL := Set trigger mode to NORMAL when scope is not in roll mode operation. If roll mode is on and scope is in roll mode operation range, NORMAL initiates repeated TRIG'D roll acquisitions. SINGLE := Set trigger mode to NORMAL when scope is not in roll mode operation. If roll mode is on and scope is in roll mode operation range, SINGLE initiates single TRIG'D roll acquisition.
QUERY SYNTAX TRMD?
RESPONSE FORMAT <mode>
Not in roll mode operation: AUTO, NORMAL, SINGLE or STOP In roll mode operation: ENDLESS, TRIG'D, TRIG'D or STOP
REMARKS TRMD SINGLE reports device-specific error (DDE) and is
not performed when XYDS is XY.
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Data transfer TSCRN?
Query DESCRIPTION The TSCRN? query transfers the screen data in TIFF, BMP
or PNG graphic file format.
COMMAND SYNTAX
QUERY SYNTAX TSCRN? <type>
<type>:={TIFF, BMP, PNG}
RESPONSE FORMAT #8<byte_length><binary_block>
• #8 shows that the response message is described in the format of <Definite Length Arbitrary Block Response Data> and the content of the following <byte is 8-digit data.
• The contents of <byte of bytes to be entered into <binary
length> represents the number
block>. The byte length is always sign-free, 8-digit integer without suppressing the leading zero.
• The contents of <binary_block> represent the binary data described in the specified graphic file format.
REMARKS
This command does not support the multi-command.
Trigger TSLP
Command/Query DESCRIPTION The TSLP command defines the trigger slope. The TSLP?
query returns the currently defined trigger slope.
COMMAND SYNTAX TSLP <slope>
<slope>:={POS, NEG}
QUERY SYNTAX TSLP?
RESPONSE FORMAT <slope>
The currently defined trigger slope is identified in <slope>.
REMARKS
length>
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Trigger TSRC
Command/Query DESCRIPTION The TSRC command defines the trigger signal source. The
trigger type determines the trigger signal source setting. The TSRC? query returns the current trigger signal source setting.
COMMAND SYNTAX TSRC <source>
<source> := {CH1, CH2, CH3, CH4, EXT, EXT10, LINE} (for WJ354/334/324/314) <source> := {CH1, CH2, EXT, EXT10, LINE} (for WJ352/332/322/312)
QUERY SYNTAX TSRC? RESPONSE FORMAT <source>
The current trigger signal setting is identified in <source>.
REMARKS When TTYP is not EDGE, TSRC LINE command is not
performed and reports device-specific error (DDE).
Others *TST?
Query DESCRIPTION The *TST? query implements the internal self-test and
returns the response showing whether an error is detected in the test.
COMMAND SYNTAX QUERY SYNTAX *TST? RESPONSE FORMAT <status>
<status>:=+000000 No error occurred in the self test. <status>:=-000001 CH1 ACQ MEMORY CHECK ERROR <status>:=-000002 CH2 ACQ MEMORY CHECK ERROR <status>:=-000003 CH3 ACQ MEMORY CHECK ERROR <status>:=-000004 CH4 ACQ MEMORY CHECK ERROR
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Trigger TTYP
Command/Query
DESCRIPTION The TTYP command selects the trigger type.
The TTYP? query returns the currently selected trigger type.
COMMAND SYNTAX TTYP <type>
<type> := {EDGE, PULSE, PERIOD, COUNT, TV}
QUERY SYNTAX TTYP? RESPONSE FORMAT <type>
<type>:= Set trigger type
REMARKS
Trigger TVCUST
Command/Query
DESCRIPTION The TVCUST command defines field frequency and number
of scan line for custom TV trigger. The TVCUST query returns the currently defined field frequency and number of scan line.
COMMAND SYNTAX TVCUST <field>,<line>
<field> := 10 to 99. Then the field frequency is set to 1/<field>. <line> := 100 to 3000. Then the number of scan lines is set to <line>.
QUERY SYNTAX TVCUST? RESPONSE FORMAT <field>,<line> REMARKS TVSTD command reports device-specific error (DDE) when
TTYP is not TV or TVSTD is not CUSTOM.
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Trigger TVSET
Command/Query DESCRIPTION The TVSET command sets field sequence, field number and
line number for TV trigger. The TVSET query returns the currently set field sequence, field number, and line number.
COMMAND SYNTAX TVSET <seq>,<field>,<line>
<seq> := {1, 2, 4, 8} This specifies the field sequence to 1, 2, 4 or 8. <field> := 0, 1 to 8 (Specify 0 to selects "Any Fields") <line> := 1 to 263 (When TVSTD is NTSC and <field> is odd number) := 1 to 262 (When TVSTD is NTSC and <field> is even number) := 1 to 313 (When TVSTD is PAL and <field> is odd number) := 314 to 625 (When TVSTD is PAL and <field> is even number) := 0 (Specify 0 to selects "Any Lines")
QUERY SYNTAX TVSET?
RESPONSE FORMAT <seq>,<field>,<line> REMARKS TVSET command reports device-specific error (DDE) when
TTYP is not TV. Line number selection is automatically set as follows.
NTSC263/262 PAL625
Trigger TVSTD
Command/Query DESCRIPTION The TVSTD command selects the TV standard for TV trigger
(TTYP=TV). The TVSTD? query returns the currently selected TV standard.
COMMAND SYNTAX TVSTD <type>
<type> := {NTSC, PAL, CUSTOM}
QUERY SYNTAX TVSTD?
RESPONSE FORMAT <type>
REMARKS TVSTD command reports device-specific error (DDE) when
TTYP is not TV.
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Trigger TWTM
Command/Query DESCRIPTION The TWTM command defines the parameters for pulse width
trigger (TTYP=PULSE). The TWTM? query returns the current parameters of pulse width trigger.
COMMAND SYNTAX TWTM <when>,<m>,<n>
<when> := {M_T, T_M, M_T_N, T_M_N_T} M
T := Set pulse width trigger time condition to "m <= t". T
M := Set pulse width trigger time condition to "t <= m". M
N := Set pulse width trigger time condition to "m <= t <= n". T "t <= m, n<=t". <m>:= Set "m" time value. Available range is 15ns to
50.0s. The <DECIMAL NUMERIC PROGRAM DATA> format is used, and the suffix is also valid. <n>:= Set "n" time value. Available range is 15ns to
50.0s. The <DECIMAL NUMERIC PROGRAM DATA> format is used, and the suffix is also valid.
QUERY SYNTAX TWTM?
RESPONSE FORMAT <when>,<m>,<n>
The currently set condition in <when>. The format is <CHARACTER RESPONSE DATA>. The currently set pulse width lower time in <m>. The format is <NR3 NUMERIC RESPONSE DATA>. The currently set pulse width upper time in <n>. The format is <NR3 NUMERIC RESPONSE DATA>.
REMARKS TWTM command reports device-specific error (DDE) when
TTYP is not PULSE. When condition M <n> take following range. (m) <= (n) <= (m * 500) If specified time value (m or n, or both) is out of this range, the value is rounded to fit the range.
T := Set pulse width trigger time condition to
N or T_M_N_T is used, time <m> and
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Cursor VCUR
Command/Query DESCRIPTION The VCUR command defines the position of the voltage
cursor. The VCUR? query returns the defined position.
COMMAND SYNTAX VCUR <Cursor1>,<Cursor2>
<Cursor1>:=-3.97 to +3.95 <Cursor2>:=-3.97 to +3.95 <Cursor1> and <Cursor2> respectively represent positions of voltage cursors Cursor1 and Cursor2 on the screen, using the unit "div". For information on how to round the value, see "Remarks". The bottom end of the screen corresponds to -3.97, the center to 0, and the top end to +3.95.
QUERY SYNTAX VCUR? RESPONSE FORMAT <Cursor1>, <Cursor2>
Current positions of the voltage cursors are identified in <Cursor1> and <Cursor2>. The format is <NR3 Numeric Response Data>.
REMARKS The resolution of <Cursor1> and <Cursor2> is 0.02. If
other value is input, it is rounded to the number having small absolute value. VCUR command reports Device-specific error (DDE) when CURM is not DV or DHDV.
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Vertical VDIV
Command/Query DESCRIPTION The VDIV command sets the vertical sensitivity of the
specified input channel in units of "V/div". When the specified value exceeds the allowable range, it is rounded according to the 1-2-5 step rule. The VDIV? query returns the defined vertical sensitivity. While the numerical value expressed in voltage is returned, the suffix is not returned.
COMMAND SYNTAX <trace>:VDIV <v_gain>
<trace>: = {C1, C2, C3, C4, M1} (WJ354/334/324/314) : = {C1, C2, M1} (WJ352/332/322/312) <v_gain>:= Vertical sensitivity. The <DECIMAL NUMERIC PROGRAM DATA> format is basically used, and the suffix is also valid. For rounding rules, see "Remarks".
QUERY SYNTAX <trace>:VDIV? RESPONSE FORMAT <v_gain>
The currently defined vertical sensitivity is identified in <v format.
REMARKS
Rounding the value in <v_gain>. (when probe ratio is 1:1)
Rounding range Set vertical
sensitivity
v_gain <= 2E-3 2mV/div 2E-3 < v_gain <= 5E-3 5mV/div : : 5 < v_gain 10V/div
When the probe ratio is 10:1, 100:1, 1000:1 or 2000:1, the above range is multiplied by 10, 100, 1000 or 2000.
gain> in <NR3 Numeric Response Data>
• When the probe ratio is set to "AUTO", the above range is multiplied by 1, 10, or 100, depending on the detected probe ratio.
• Some value may be rounded to a permissible larger value.
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DISPLAY VECT
Command/Query
DESCRIPTION The VECT command enable or disable the interpolation
between data points. The VECT? query returns the state of the interpolation.
COMMAND SYNTAX VECT <state>
<state> := {ON, OFF} ON := Displays waveform data in dots. OFF := Displays waveform data in interpolated line.
QUERY SYNTAX VECT? RESPONSE FORMAT <state> REMARKS VECT ON is ignored when XYDS is XY or XYTRG.
Status *WAI
Command
DESCRIPTION The *WAI (WAIt to continue) command rejects permission
to execute the next command until the oscilloscope completes execution of all of its current commands. If the sweep method of the instrument is set to "SINGLE", the *WAI command is used to synchronize the application program with the completion of waveform data
acquisition. COMMAND SYNTAX *WAI QUERY SYNTAX
RESPONSE FORMAT
Data transfer WAVESRC
Command/Query DESCRIPTION The WAVESRC command selects the trace to which the
waveform data is transferred.
When transferring the waveform data (DTWAVE? query),
it is necessary to set the trace using this command,
to which the waveform data is transferred.
The WAVESRC? query returns the selected channel. COMMAND SYNTAX WAVESRC <dir>
<dir>:={CH1, CH2, CH3, CH4, MATH} (WJ354/334/324/314)
:={CH1, CH2, MATH} (WJ352/332/322/312)
QUERY SYNTAX WAVESRC?
RESPONSE FORMAT <dir>
The trace to which the waveform data is transferred is
identified in <dir>. REMARKS
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Acquisition WSGL
Command/Query DESCRIPTION WSGL sets the trigger mode to "SINGLE".
WSGL? also sets the trigger mode to "SINGLE", and then waits the single measurement to be done. The WSGL? query is used to synchronize the application program with the completion of waveform data acquisition.
COMMAND SYNTAX WSGL
QUERY SYNTAX WSGL?
RESPONSE FORMAT +000001
REMARKS WSGL/WSGL? reports device-specific error (DDE) and
does not performed when XYDS is XY.
DISPLAY XYDS
Command/Query DESCRIPTION The XYDS command selects YT, XY, or XY(Triggered)
display type. The XYDS? query returns the current display type.
COMMAND SYNTAX XYDS <type>
<type> := {YT, XY, XYTRG} YT := Select display type YT XY := Select display type XY XYTRG := Select display type XY(Triggered)
QUERY SYNTAX XYDS?
RESPONSE FORMAT <type>
§ § §
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Toxic or Hazardous Substances and Elements
Part Name
Lead
(Pb)
Mercury
(Hg)
Cadmium
(Cd)
Hexavalent
Chromium
6+
(Cr
Polybrominated
)
Biphenyls
(PBB)
Polybrominated Diphenyl Ethers
(PBDE)
PCBAs X O X X X X
Mechanical Hardware O O X O O O
Sheet Metal O O X O O O
Plastic Parts O O O O X X
Cable Assemblies X O X O X X
Display X O X X X X
Power Supply X X X O X X
Fans X O X O X X
Battery for Processor X O X O O O
Power Cord X O X O X X
Ext Power Supply (if present) X X X O X X
Probes (if present) X O X O X X
CD Drive (if present) X O X O X X
Fuse (if present) X O X O O O
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Adapters/Modules (if
X O O O O O
present)
Mouse (if present) X O X O X X
O: Indicates that this toxic or hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement specified in SJ/T11363-2006.
X: Indicates that this toxic or hazardous substance contained in at least one of the homogenous materials used for this part is above the limit requirement specified in SJ/T11363-2006.
EFUP (Environmental Friendly Use Period) Use Conditions: refer to the environmental conditions stated in the specifications section of this Manual.
EFUP for Battery: 5 Years
WJ-RCM-E Rev B 57
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