How it Works
TEXIO
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DCS-7507A
Programming Manual
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TEXIO DCS-7500A Series, DCS-7515A, DCS-7507A, DCS-7510A, DCS-4605 Programming Manual

PROGRAMMING MANUAL

DIGITAL STORAGE OSCILLOSCOPE

DCS-7500A SERIES
DCS-7507A DCS-7510A DCS-7515A
B71-0048-01
■ About a trademark, a registered trademark
■ About this instruction manual
When copying the part or all of contents of this instruction manual, seek the copyright holder. In addition, the specifications of the product and the contents of this instruction manual are subject to change without notice for improvement. Please check to our website for the latest version.

CONTENTS

1. INTERFACE OVERVIEW ........................ 1
1-1. Rear Panel Overview ........................................ 1
1-2. Configuring the USB Interface ........................... 1
2. COMMAND OVERVIEW ......................... 3
2-1. Command Syntax ............................................. 3
3. COMMAND DETAILS ............................. 4
3-1. System Command ............................................ 5
3-1-1. *IDN .......................................................................................... 5
3-1-2. *LRN ......................................................................................... 6
3-1-3. *RST ......................................................................................... 6
3-1-4. :SYSTem:ERRor ....................................................................... 7
3-1-5. SYSTem:VERSion .................................................................... 7
3-2. Acquisition Command ....................................... 8
3-2-1. :ACQuire:AVERage .................................................................. 8
3-2-2. :ACQuire:HDELay ..................................................................... 9
3-2-3. :ACQuire:MODe ........................................................................ 9
3-2-4. :ACQuire<X>:LMEMory .......................................................... 10
3-2-5. :ACQuire<X>:MEMory ............................................................ 12
3-3. Autoset Command .......................................... 13
3-3-1. :AUToset ................................................................................. 13
3-4. Channel / Math Command .............................. 14
3-4-1. :CHANnel<X>:BWLimit ........................................................... 14
3-4-2. :CHANnel<X>:COUPling ........................................................ 15
3-4-3. :CHANnel<X>:DISPlay ........................................................... 15
3-4-4. :CHANnel<X>:EXPand ........................................................... 16
3-4-5. :CHANnel<X>:INVert .............................................................. 16
3-4-6. :CHANnel<X>:MATH .............................................................. 17
3-4-7. :CHANnel<X>:OFFSet ............................................................ 18
3-4-8. :CHANnel<X>:PROBe:RATio ................................................. 19
3-4-9. :CHANnel<X>:PROBe:TYPE .................................................. 19
3-4-10. :CHANnel<X>:SCALe ........................................................... 20
3-5. Math Command .............................................. 21
3-5-1. :MATH:OPERator ................................................................... 21
3-5-2. :MATH:POSition ...................................................................... 22
3-5-3. :MATH:FFT:SOURce ................................ .............................. 22
3-5-4. :MATH:FFT:WINDow ................................ .............................. 23
3-5-5. :MATH:FFT:SCALe ................................................................. 23
3-5-6. :MATH:FFT:HORizontal:SCALe .............................................. 24
3-5-7. :MATH:FFT:HORizontal:POSition ........................................... 24
3-6. Cursor Command ........................................... 25
3-6-1. :CURSor:X<X>Position ........................................................... 25
3-6-2. :CURSor:Y<X>Position ........................................................... 26
3-6-3. :CURSor:<X>DELta ................................................................ 27
3-6-4. :CURSor:<X>DISplay ............................................................. 28
3-6-5. :CURSor:SOURce .................................................................. 28
3-7. Display Command .......................................... 29
3-7-1. :DISPlay:ACCumulate ............................................................. 29
3-7-2. :DISPlay:CONTrast ................................................................. 30
3-7-3. :DISPlay:GRATicule ................................................................ 30
3-7-4. :DISPlay:WAVeform ................................................................ 31
3-7-5. :REFResh ............................................................................... 31
3-8. Measure Command ........................................ 32
3-8-1. :MEASure:DELAY1 ................................................................. 33
3-8-2. :MEASure:DELAY2 ................................................................. 33
3-8-3. :MEASure:FALL ...................................................................... 34
3-8-4. :MEASure:FFFDelay ............................................................... 34
3-8-5. :MEASure:FFRDelay .............................................................. 35
3-8-6. :MEASure:FOVShoot .............................................................. 35
3-8-7. :MEASure:FPReshoot ............................................................. 36
3-8-8. :MEASure:FREQuency ........................................................... 36
3-8-9. :MEASure:FRFDelay .............................................................. 37
3-8-10. :MEASure:FRRDelay ............................................................ 37
3-8-11. :MEASure:LFFDelay ................................ ............................. 38
3-8-12. :MEASure:LFRDelay ............................................................. 38
3-8-13. :MEASure:LRFDelay ............................................................. 39
3-8-14. :MEASure:LRRDelay ............................................................ 39
3-8-15. :MEASure:NWIDth ................................................................ 40
3-8-16. :MEASure:PDUTy ................................................................. 40
3-8-17. :MEASure:PERiod ................................................................ 41
3-8-18. :MEASure:PWIDth ................................................................ 41
3-8-19. :MEASure:RISe ..................................................................... 42
3-8-20. :MEASure:ROVShoot ........................................................... 42
3-8-21. :MEASure:RPReshoot .......................................................... 43
3-8-22. :MEASure:SOURce .............................................................. 43
3-8-23. :MEASure:VAMPlitude .......................................................... 44
3-8-24. :MEASure:VAVerage ............................................................ 44
3-8-25. :MEASure:VHI ....................................................................... 45
3-8-26. :MEASure:VLO ..................................................................... 45
3-8-27. :MEASure:VMAX .................................................................. 46
3-8-28. :MEASure:VMIN .................................................................... 46
3-8-29. :MEASure:VPP ..................................................................... 47
3-8-30. :MEASure:VRMS .................................................................. 47
3-9. Go No-Go Command ...................................... 48
3-9-1. :GONogo:CLEar ...................................................................... 48
3-9-2. :GONogo:EXECute ................................................................. 49
3-9-3. :GONogo:FUNCtion ................................................................ 49
3-9-4. :GONogo:NGCount? ............................................................... 50
3-9-5. :GONogo:NGDefine ................................................................ 50
3-9-6. :GONogo:SOURce .................................................................. 51
3-9-7. :GONogo:VIOLation ................................................................ 51
3-9-8. :TEMPlate:MODe .................................................................... 52
3-9-9. :TEMPlate:MAX ...................................................................... 53
3-9-10. :TEMPlate:MIN ...................................................................... 54
3-9-11. :TEMPlate:POSition:MAX ..................................................... 55
3-9-12. :TEMPlate:POSition:MIN ...................................................... 56
3-9-13. :TEMPlate:SAVe:MAXimum.................................................. 57
3-9-14. :TEMPlate:SAVe:MINimum ................................................... 57
3-9-15. :TEMPlate:TOLerance .......................................................... 58
3-9-16. :TEMPlate:SAVe:AUTo ......................................................... 59
3-10. Data Logging Command ............................... 60
3-10-1. :DATALOG:STATE ............................................................... 60
3-10-2. :DATALOG:SOURce ............................................................. 60
3-10-3. :DATALOG:SAVe .................................................................. 61
3-10-4. :DATALOG:INTerval ............................................................. 61
3-10-5. :DATALOG:DURation ........................................................... 62
3-11. Save/Recall Command .................................. 63
3-11-1. :MEMory<X>:RECall:SETup ................................................. 63
3-11-2. :MEMory<X>:RECall:WAVeform ........................................... 64
3-11-3. :MEMory<X>:SAVe:SETup ................................................... 64
3-11-4. :MEMory<X>:SAVe:WAVeform ............................................. 65
3-11-5. *RCL ..................................................................................... 65
3-11-6. :REF<X>:DISPlay ................................................................. 66
3-11-7. :REF<X>:LOCate .................................................................. 66
3-11-8. :REF<X>:SAVe ..................................................................... 67
3-11-9. *SAV ..................................................................................... 67
3-12. Time (Horizontal) Command .......................... 68
3-12-1. :TIMebase:DELay ................................................................. 68
3-12-2. :TIMebase:SCALe ................................................................. 69
3-12-3. :TIMebase:SWEep ................................................................ 70
3-12-4. :TIMebase:WINDow:DELay .................................................. 70
3-12-5. :TIMebase:WINDow:SCALe.................................................. 71
3-13. Trigger Command ......................................... 72
3-13-1. :FORCe ................................................................................. 72
3-13-2. :RUN ..................................................................................... 72
3-13-3. :SINGle ................................................................................. 73
3-13-4. :STOP ................................................................ ................... 73
3-13-5. *TRG ..................................................................................... 73
3-13-6. :TRIGger:COUPle ................................................................. 74
3-13-7. :TRIGger:FREQuency ........................................................... 74
3-13-8. :TRIGger:HOLDoff ................................................................ 75
3-13-9. :TRIGger:LEVel ..................................................................... 75
3-13-10. :TRIGger:MODe .................................................................. 76
3-13-11. :TRIGger:NREJ ................................................................... 76
3-13-12. :TRIGger:PULSe:MODe ..................................................... 77
3-13-13. :TRIGger:PULSe:TIMe ........................................................ 78
3-13-14. :TRIGger:REJect ................................................................. 78
3-13-15. :TRIGger:SLOPe ................................................................. 79
3-13-16. :TRIGger:STATe ................................................................. 80
3-13-17. :TRIGger:SOURce .............................................................. 81
3-13-18. :TRIGger:TYPe ................................................................... 81
3-13-19. :TRIGger:VIDeo:FIELd ........................................................ 82
3-13-20. :TRIGger:VIDeo:LINe .......................................................... 83
3-13-21. :TRIGger:VIDeo:POLarity ................................................... 84
3-13-22. :TRIGger:VIDeo:TYPe ........................................................ 84
1
LINE VOLTAGE
AC 100 240V
FUSE RATING
RANGE
T1A 250V
FREQUENCY 50 60Hz
POWER MAX. 18W 40VA
USB portCAL outputPower cord socketFuse socket
USB connection PC side
connector
Type A, host
DCS-7500A side connector
Type B, device Speed
1.1/2.0 (full speed)

1.INTERFACE OVERVIEW

This manual describes how to use the DCS-7500A series’ remote command functionality and lists the command details. The Overview chapter describes how to configure the DCS-7500A series USB remote control interface.

1-1.Rear Panel Overview

1-2.Configuring the USB Interface

2
USB driver software
OS
Microsoft Windows 7 or higher
File name
TEXIO_CDC.inf (Attached CD)
DCS-7500A is allocated to the COM port when installing it. The set is recognized as a serial communications equipment on PC. You must have administrator account to install.
Serial port setting:
Speed 12Mbps or less
Data-bits
: 8 bit
Parity
: none
Stop-bit
: 1 bit
Flow-control
: none
Panel operation
1. Connect the USB cable to the USB device port on the rear.
2. When the PC asks for the USB driver or ‘Unknown device’ listed in Device Manager, install TEXIO_CDC.inf attached CD.
3. On the PC, activate a terminal application such as PuTTY. To check the COM port No., see the Device Manager in the PC.
4. Run this query command via the terminal application. *idn? This command should return the manufacturer, model number, serial number, and firmware version in the following format. TEXIO, DCS-75XXA, XXXXXXX, V1.00
5. Configuring the command interface is completed. Refer to the other chapters for more details.
CAUTION:
If there is no response, please confirm a device driver, COM port number or the connection of the cable and so on.
CAUTION:
If you change the setting of the USB port in the connection with the PC, May not be able to communicate. Please restart your PC in this case.
3
Compatible standard
USB CDC_ACM compatible SCPI, 1994 (partially compatible)
Command format
trig:del:mod <NR1>LF
1 2 3 4
1: command header 2: single space 3: parameter 4: message terminator
Parameter
Type
Description
Example
<Boolean>
boolean logic
0, 1 <NR1>
Integers
0, 1, 2, 3
<NR2>
decimal numbers
0.1, 3.14, 8.5
<NR3>
floating point
4.5e-1, 8.25e+1
<NRf>
any of NR1, 2, 3
1, 1.5, 4.5e-1
Message terminator
LF^END
line feed code (hexadecimal 0A) with END message
LF
line feed code
<dab>^END
last data byte with END message
CAUTION:
Commands are non-case sensitive. On the real input of the value to the parameter,
please do not use the symbol as “<”, “>”, “|”. The above symbols are used to facilitate distinction with this manual.

2.COMMAND OVERVIEW

The command syntax section shows you the basic syntax rules you have to apply when using commands.

2-1.Command Syntax

4
3-1. System Command ............................................ 5
3-2. Acquisition Command ....................................... 8
3-3. Autoset Command .......................................... 13
3-4. Channel / Math Command .............................. 14
3-5. Math Command .............................................. 21
3-6. Cursor Command ........................................... 25
3-7. Display Command .......................................... 29
3-8. Measure Command ........................................ 32
3-9. Go No-Go Command ...................................... 48
3-10. Data Logging Command ............................... 60
3-11. Save/Recall Command .................................. 63
3-12. Time (Horizontal) Command .......................... 68
3-13. Trigger Command ......................................... 72

3.COMMAND DETAILS

5
3-1-1. *IDN .......................................................................................... 5
3-1-2. *LRN ......................................................................................... 6
3-1-3. *RST ......................................................................................... 6
3-1-4. :SYSTem:ERRor ....................................................................... 7
3-1-5. :SYSTem:VERSion ................................................................... 7
Query
Description
Returns the oscilloscope ID: manufacturer, model name, serial number, and firmware version. Same as: Utility key → F4
Syntax
*idn?
Example
*idn?
TEXIO, DCS-7515A, XXXXXXX, V1.00
Returns the ID
A kind of Query or Set is shown.
Query
: Query
Set
: Set

3-1.System Command

3-1-1.*IDN

6
Query
Description
Returns the oscilloscope settings as a data string.
Syntax
*lrn?
Example
*lrn?
:DISPlay:WAVeform 0;ACCumulate 0;CONTrast 0;GRATicule 0;:CHANnel1:DISPlay 1;BWLimit 0;COUPling 0;INVert 0;OFFSet 2.000e+00;PROBe 3;SCALe
2.000e+00;:CHANnel2:DISPlay 1;BWLimit 0;COUPling 0;INVert
0;OFFSet 2.000e+00;PROBe 3;SCALe
2.000e+00;:CHANnel1:MATH 0;:TIMebase:SWEep 0;SCALe
2.500e-06;DELay 0.000e+00;WINDow:SCALe
2.50000e-07;DELay 0.00000e+00;:ACQuire:MODe 0;AVERage
0;:TRIGger:TYPe 0;SOURce 0;MODe 1;SLOP 0;COUPle 1;REJect 0;NREJ 0;LEVel 0.00000e+00;PULSe:MODe: 0;TIMe
0.00000e+00;:VIDeo:TYPe 1;POLarity 0;FIELd 0;LINe
0;:CURSor:SOURce 1;XDISPlay 0;X1Position 75;X2Position 175;YDISPlay 0;Y1Position 54;Y2Position 154;:REF1:DISPlay 0;LOCate 50;:REF2:DISPlay 0;LOCate -50;:RUN
Set
Description
Resets the DCS-7500A (recalls the default panel settings).
Same as: Save/Recall key → F1
Syntax
*rst
CAUTION:
In the help mode (the screen display of the function explanation), the command is invalid.
CAUTION:
The saved content in the internal memory is not initialized by the recall function of “Default Setup”.

3-1-2.*LRN

3-1-3.*RST

7
Query
Description
Returns the oscilloscope system error message, if there is any.
Syntax
< Long >
< Short >
:system:error?
:syst:err?
Parameter
ID
Contents
ID
Contents
-100
command error
-102
syntax error
-220
parameter error
-221
settings conflict
-222
data out of range
-223
too much data
-224
illegal parameter
-232
invalid format
Example
:system:error?
-102
Indicates that the command syntax is wrong.
Query
Description
Returns the SCPI version to which the oscilloscope complies to. This is returned as the SCPI version year and revision number (YYYY.V).
Syntax
< Long >
< Short >
:system:version?
:syst:vers?
Example
:syst:vers?
1992.0
Returns the SCPI version as 1992.0

3-1-4.:SYSTem:ERRor

: 3-1-5.SYSTem:VERSion
8
3-2-1. :ACQuire:AVERage .................................................................. 8
3-2-2. :ACQuire:HDELay ..................................................................... 9
3-2-3. :ACQuire:MODe ........................................................................ 9
3-2-4. :ACQuire<X>:LMEMory .......................................................... 10
3-2-5. :ACQuire<X>:MEMory ............................................................ 12
Set
Query
Description
Selects or returns the average number of waveform acquisition in the average acquisition mode.
Same as: Acquire key → F2
Syntax
< Long >
< Short >
:acquire:average <NR1> :acquire:average?
:acq:aver <NR1> :acq:aver?
Parameter
<NR1>
Average
No.
<NR1>
Average
No. 1 2 5
32
2 4 6
64
3 8 7
128
4 16 8 256
CAUTION:
Before using this command, select the average acquisition mode. See the example below.
Example
:acquire:mode 2 :acquire:average 2
Selects the average acquisition mode, and select the average number 4.

3-2.Acquisition Command

3-2-1.:ACQuire:AVERage

9
Set
Query
Description
Set or query Delay On or Delay Off. Same as: Acquire key → F4
Syntax
< Long >
< Short >
:acquire:hdelay <Boolean> :acquire:hdelay?
:acq:hdel <Boolean> :acq:hdel?
Parameter
<NR1>
Delay
0 Off 1 On
Example
:acquire:hdelay 1 :acquire:hdelay? 1
Turns Delay On. Returns the Delay as On.
Set
Query
Description
Selects or returns the acquisition mode. Same as: Acquire key → F1 ~ F3
Syntax
< Long >
< Short >
:acquire:mode <NR1> :acquire:mode?
:acq:mod <NR1> :acq:mod?
Parameter
<NR1>
Mode
<NR1>
Mode
0 Normal
2
Average
1 Peak detect
Example
:acquire:mode 2 :acquire:average 2
Selects the average acquisition mode, and select the average number 4.

3-2-2.:ACQuire:HDELay

3-2-3.:ACQuire:MODe

10
Query
Description
Returns the total waveform data in the acquisition memory for long memory.
Syntax
< Long >
< Short >
:acquire<X>:lmemory?
:acq<X>:lmem?
Parameter
<X>
Channel
1/2
Channel1/2
CAUTION:
Please note that the number of points is limited to
4000 when the scope is running.
You can get the full memory depth when the
“Single” key is pressed with a triggered signal.
You can also get the full memory depth when the
“STOP” key is pressed,
However, the long memory may not fully fill up if a
slow time base is used with a fast sample rate
Also note that there are several time base settings
that don’t result in 100% of available memory, due
to a limited number of available sample rates.
Example
:acquire1:lmemory?
Returns the channel 1 long memory waveform data If both channels are active up to 1M points are returned. If only CH1 is active then up to 2M points are returned.
Data format
Six data elements are concatenated to form one data string.
# A B C D E F
A: Data size digit
B: Data size
C: Time interval
D: Channel indicator
E: Reserved data
F: Waveform data

3-2-4.:ACQuire<X>:LMEMory

11
# (1 byte) The start of data transfer. The value is 0X23 (“#” in ASCII code).
Data size digit (1 byte)
Indicates the number of digits used for the data string that follows. The data size digit is 4 for 4000 points, 7 for 1M or 2M points.
Data size (4 or 7 bytes)
Indicates the data size. The data size varies from 8008 (4000 points), 2000008 (1M points) or 4000008 (2M points). 8 bytes are total of Time interval, Channel indicator, and Reserved data.
Time interval (4 bytes)
Indicates the time interval between two adjacent sampling points in the floating point format, compatible with IEEE 754 standards. Note: The data is sorted in the little-endian format.
Channel indicator (1 byte)
Indicates the channel, 1 (0X01) or 2 (0X02).
Reserved data (3 bytes)
An unused data block, 3 bytes.
Waveform data (8000, 2000000 or 4000000 bytes)
The waveform data comprised of 2M data points. Each point is made up of 2 bytes (16 bits), two's
complement, high byte (MSB) first.
Example 1M points data Data size digit(7) Time interval(0X31 09 70 5F) # Data size(2000008) Channel indicator(0X01) Reserved data
Waveform data after this(FF) Reserved data
12
Query
Description
Returns the total waveform data in the acquisition memory.
Syntax
< Long >
< Short >
:acquire<X>:memory?
:acq<X>:mem?
Parameter
<X>
Channel
1/2
Channel1/2
Example
:acquire1:memory?
Returns the channel 1 waveform data.
Data format
Six data elements are concatenated to form one data string.
# A B C D E F
A: Data size digit
B: Data size
C: Time interval
D: Channel indicator
E: Reserved data
F: Waveform data
# (1 byte) The start of data transfer. The value is 0X23 (“#” in ASCII code).
Data size digit (1 bytes)
Indicates the number of digits used for the data string that follows. The data size digit is always 4.
Data size (4 bytes)
Indicates the data size. The data size is always 8008 (4000 points per channel). 8 bytes are total of Time interval, Channel indicator, and Reserved data.
Time interval (4 bytes)
Indicates the time interval between two adjacent sampling points in the floating point format, compatible with IEEE 754 standards. Note: The data is sorted in the little-endian format.
Channel indicator (1 byte)
Indicates the channel, 1 (0X01) or 2 (0X02).
Reserved data (3 bytes)
An unused data block, 3 bytes.
Waveform data (8000 bytes)
The waveform data comprised of 4000 data points. Each point is made up of 2 bytes (16 bits), two's
complement, high byte (MSB) first.

3-2-5.:ACQuire<X>:MEMory

13
Example Data size digit(4) Time interval(0X31 09 70 5F) # Data size(8008) Channel indicator(0X01) Reserved data
Waveform data after this(FF)
Set
Description
Runs the Autoset function to automatically configure the horizontal scale, vertical scale, and trigger according to the input signal.
Same as: Auto Set key
Syntax
< Long >
< Short >
:autoset
:aut

3-3.Autoset Command

3-3-1.:AUToset

14
3-4-1. :CHANnel<X>:BWLimit ........................................................... 14
3-4-2. :CHANnel<X>:COUPling ........................................................ 15
3-4-3. :CHANnel<X>:DISPlay ........................................................... 15
3-4-4. :CHANnel<X>:EXPand ........................................................... 16
3-4-5. :CHANnel<X>:INVert .............................................................. 16
3-4-6. :CHANnel<X>:MATH .............................................................. 17
3-4-7. :CHANnel<X>:OFFSet ............................................................ 18
3-4-8. :CHANnel<X>:PROBe:RATio ................................................. 19
3-4-9. :CHANnel<X>:PROBe:TYPE .................................................. 19
3-4-10. :CHANnel<X>:SCALe ........................................................... 20
Set
Query
Description
Selects or returns the bandwidth limit on/off. Same as: Channel key → F3
Syntax
< Long >
< Short >
:channel<X>:bwlimit <Boolean>
:channel<X>:bwlimit?
:chan<X>:bwl <Boolean>
:chan:bwl?
Parameter
<X>
Channel
<NR1>
Limit
1/2
CH1/2
0
Off
1 On
Example
:channel1:bwlimit 1
Turns on the bandwidth limit for Channel 1.

3-4.Channel / Math Command

3-4-1.:CHANnel<X>:BWLimit

15
Set
Query
Description
Selects or returns the coupling mode. Same as: Channel key → F1
Syntax
< Long >
< Short >
:channel<X>:coupling <NR1> :channel<X>:coupling?
:chan<X>:coup <NR1> :chan:coup?
Parameter
<X>
Channel
<NR1>
Coupling mode
1/2
CH1/2
0
AC coupling
1 DC coupling
2 Ground coupling
Example
:channel1:coupling 1
Selects the DC coupling for Channel 1.
Set
Query
Description
Turns a channel on/off or returns its status. Same as: Channel key
Syntax
< Long >
< Short >
:channel<X>:display <Boolean> :channel<X>:display?
:chan<X>:disp <Boolean> :chan<X>:disp?
Parameter
<X>
Channel
<NR1>
Channel on/off
1/2
CH1/2
0
Off 1
On
Example
:channel1:display 1
Turns on Channel 1.

3-4-2.:CHANnel<X>:COUPling

3-4-3.:CHANnel<X>:DISPlay

16
Set
Query
Description
Sets Expand from ground or from center for a channel. Queries the Expand status of a channel. Same as: Channel keyExpand
Syntax
< Long >
< Short >
:channel<X>:expand <Boolean> :channel<X>:expand?
:chan<X>:exp <Boolean> :chan<X>:exp?
Parameter
<X>
Channel
<NR1>
Expand
1/2
CH1/2
0
Ground
1 Center
Example
:channel1:expand 1 :channel1:expand? 1
Sets Channel 1 to Expand from Center. Returns expand from
center (1) as channel 1’s
Expand status.
Set
Query
Description
Inverts a channel or returns its status. Same as: Channel key → F2
Syntax
< Long >
< Short >
:channel<X>:invert <Boolean> :channel<X>:invert?
:chan<X>:inv <Boolean> :chan<X>:inv?
Parameter
<X>
Channel
<NR1>
Channel invert
1/2
CH1/2
0
Off 1
On
Example
:channel1:invert 1
Inverts Channel 1.

3-4-4.:CHANnel<X>:EXPand

3-4-5.:CHANnel<X>:INVert

17
Set
Query
Description
Selects or returns the math operation type. Same as: Math key → F1
Syntax
< Long >
< Short >
:channel<X>:math <NR1> :channel<X>:math?
:chan<X>:math <NR1> :chan<X>:math?
Parameter
<X>
Channel
<NR1>
Math operation
1/2
CH1 or CH2
0
Math off
1 Add
2 Subtract
3 Multiply
4 FFT
5 FFTrms
Example1
:channel1:math 2
Channel 1 – Channel 2
Example2
:channel2:math 2
Channel 2 – Channel 1
Example3
:channel2:math 4
Runs FFT on Channel 2

3-4-6.:CHANnel<X>:MATH

18
Set
Query
Description
Sets or returns the offset level for a channel. The offset level range depends on the vertical scale. Unit: V
Syntax
< Long >
< Short >
:channel<X>:offset <NR3> :channel<X>:offset?
:chan<X>:offs <NR3> :chan<X>:offs?
Parameter
<X>
Channel
<NR3>
Offset level
1/2
CH1/2
±0.4
±0.4V (2mV/div~20mV/div)
±4
±4V (50mV/div~200mV/div)
±40
±40V (500mV/div~2V/div)
±300
±300V (5V/div~10V/div)
Example
:channel1:scale 1.00e–2 :channel1:offset 2.00e–2
Sets the Channel 1 scale to 10mV/div. Sets the Channel 1 offset to 20mV.

3-4-7.:CHANnel<X>:OFFSet

19
Set
Query
Description
Sets or returns the probe attenuation factor. Same as: Channel key → variable knob
Syntax
< Long >
< Short >
:channel<X>:probe:ratio<NR f> <NRf> :channel<X>:probe:ratio?
:chan<X>:prob:rat <NRf> :chan<X>:prob:rat?
Parameter
<X>
Channel
<NRf>
Probe attenuation factor
1/2
CH1/2
0.1/0.2/0.5
0.1x/0.2x/0.5x
1/2/5
1x/2x/5x
10/20/50
10x/20x/50x
100/200/500
100x/200x/500x
1000/2000
1000x/2000x
Example
:channel1:probe:ratio 1
Sets the Channel 1 probe attenuation factor to 1x.
Set
Query
Description
Sets or returns the probe type (voltage/current). Same as: Channel key →F4
Syntax
< Long >
< Short >
:channel<X>:probe:type <boolean> :channel<X>:probe:type?
:chan<X>:prob:type <boolean> :chan<X>:prob:type?
Parameter
<X>
Channel
<boolean>
Probe type
1/2
CH1/2
0
Voltage
1 Current
Example
:channel1:probe:type 1
Sets the Channel 1 probe type to Current.

3-4-8.:CHANnel<X>:PROBe:RATio

3-4-9.:CHANnel<X>:PROBe:TYPE

20
Set
Query
Description
Sets or returns the vertical scale. The scale depends on the probe attenuation factor.
Same as: Volts/Div knob Unit: V/div
Syntax
< Long >
< Short >
:channel<X>:scale <NR3> :channel<X>:scale?
:chan<X>:scal <NR3> :chan<X>:scal?
Parameter
<X>
Channel
<NR3>
Vertical scale
1/2
CH1/2
2e–3 ~ 1e+1
2mV ~ 10V (Probe x1)
2e–2 ~ 1e+2
20mV ~ 100V (Probe x10)
2e–1 ~ 1e+3
200mV ~ 1000V (Probe x100)
Example
:channel1:probe:ratio 1 :channel1:scale 2.00e–3
Sets the Channel 1 probe attenuation factor to x1.
Sets the Channel 1 vertical scale to 2mV/div.

3-4-10.:CHANnel<X>:SCALe

21
Set
Query
Description
Sets the math operator.
Syntax
< Long >
< Short >
:MATH:OPERator {PLUS|0|MINUS|1|MUL|2|FF T|3|FFTRMS|4}
:MATH:OPERator?
:MATH:OPER {PLUS|0|MINUS|1|MU L|2|FFT|3|FFTRMS|4}
:MATH:OPER?
Parameter
PLUS|0
Addition
MINUS|1
Subtraction
MUL|2
Multiplication
FFT|3
FFT
FFTRMS|4
FFTRMS
Example
:MATH:OPER PLUS
Sets the operator to addition.

3-5.Math Command

3-5-1. :MATH:OPERator ................................................................... 21
3-5-2. :MATH:POSition ...................................................................... 22
3-5-3. :MATH:FFT:SOURce ................................ .............................. 22
3-5-4. :MATH:FFT:WINDow ................................ .............................. 23
3-5-5. :MATH:FFT:SCALe ................................................................. 23
3-5-6. :MATH:FFT:HORizontal:SCALe .............................................. 24
3-5-7. :MATH:FFT:HORizontal:POSition ........................................... 24

3-5-1.:MATH:OPERator

22
Set
Query
Description
Sets or vertical position (in grid divisions) of the math output waveform.
Syntax
< Long >
< Short >
:MATH:POSition <NR3> :MATH:POSition?
:MATH:POS <NR3> :MATH:POS?
Parameters
<NR3>
-12.00 ~ +12.00, with 0.00 being the
center division.
Example
:MATH:POS 3.00
Sets the position to the 3rd division above the center division.
Set
Query
Description
Sets the source channel for FFT math.
Syntax
< Long >
< Short >
:MATH:FFT:SOURce {CH1|1|CH2|2}
:MATH:FFT:SOURce?
:MATH:FFT:SOUR {CH1|1|CH2|2}
:MATH:FFT:SOUR?
Parameters
CH1|1
Channel 1
CH2|2
Channel 2
Example
:MATH:FFT:SOUR 1
Sets the source to CH1

3-5-2.:MATH:POSition

3-5-3.:MATH:FFT:SOURce

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