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SECTION 6 GPIB
6-5
SCPI commands are based on a hierarchical structure. The commands are grouped according to the associated
functions. They form hierarchical structures called ‘subsystems’.
In this manual, each subsystem is represented by a command tree as shown in the above figure.
Where the same headers appear in a tree, the position of the headers correspond to different functions. This means
that commands must be written with the full path including the header to be used.
Examples: FREQuency subsystem
FREQuency denotes the highest level node.
CW, CW? and SWEep denotes the second level node.
MODE, MODE?, TIME and TIME? denote the third level node.
<Numeric> and <Character> are used for CW, MODE and TIME parameter types, respectively.
<Freq term> and <Time term> are used for frequency and time unit types, respectively.
6.2.4 Writing Commands
:FREQuency[ :CW]<Numeric> <Freq term> <Numeric> =0 Hz to 1040 MHz
:FREQuency[ :CW]?
:FREQuency:SWEep:MODE <Character> =AUTO, SINGLE,
MANUAL
:FREQuency:SWEep:MODE?
:FREQuency:SWEep:TIME<Numeric> <Time term> <Numeric> =10 µs to 600 s
:FREQuency:SWEep:TIME?
Fig. 6-2. Writing Commands
Fig. 6-2 shows how to write the commands in the command tree shown in Fig. 6-1.
The rules of writing commands are explained below.
<Command format>
The first character of an SCPI command is the colon symbol(:).
The command is also configured by concatenating a colon(:) between headers.
<Abbreviated format for header>
A header has both a short form and a long form. A short form header is an abbreviation of a long form header. It is
abbreviated to the upper-case characters from the long form header. Whether a short or long command is used, it is
interpretable as the same command with the same function. Short forms and long forms can be used together.
The command reference allows both upper-case and lower-case alphabetic characters to be used to differentiate
short form keyword from the long form of the same keyword. In fact, there is no differentiation between upper-case
- ANRITSU CORPORATION 1
- Safety Symbols 2
- For Safety 3
- Equipment Certificate 7
- Anritsu Warranty 7
- Anritsu Corporation Contact 7
- Notes On Export Management 8
- CE Conformity Marking 10
- 4. Authorized representative 11
- C-tick Conformity Marking 12
- Power Line Fuse Protection 13
- SECTION 1 19
- 1.2 Operation Manual 20
- 1.3 Composition of Devices 21
- 1.3.2 Options 22
- Table 1-3. Options 22
- 1.4 Application Parts 23
- 1.5 Specifications 24
- Specifications (continued) 25
- (0 to 50°C) 29
- ■ Option 22 (FSK encoder) 29
- SECTION 1 GENERAL 30
- SECTION 2 31
- PRECAUTION 31
- CAUTION 32
- SECTION 2 PRECAUTION 33
- WARNING CAUTION 34
- WARNING 35
- SECTION 3 37
- PANEL LAYOUT 37
- SECTION 3 PANEL LAYOUT 38
- 3.1.2 Rear panel layout 39
- 3.1.3 Panel layout diagram 40
- Fig. 3-2. Rear Panel 40
- Fig. 3-1. Front Panel 40
- OPERATING INSTRUCTIONS 41
- SECTION 4 41
- 4.1.1 Turning Power On 43
- 4.1.2 Turning Power Off 44
- 4.2 Explanation of Screens 45
- Chk SysGPIB Opt Trig 46
- Main Menu (2/2) 46
- [Preset] key 46
- MG3641A/MG3642A front panel 46
- 4.4 Setting the Frequency 48
- [Rel Freq] key 49
- [Shift] key 49
- 4.4.3 Frequency Offset 50
- [Level] key 51
- [Rel Level] key 52
- 4.5.3 Output Level Offset 53
- 4.5.4 Level Continuous Mode 54
- [RF Off/On] key 55
- Chk SysGPIB Opt Trig 57
- 4.6 Setting the Modulation 58
- [Modulation] key 59
- Mod Ofs MemAFSwp 68
- Main Menu (1/2) 68
- [Memory] 70
- (Memory Set) key 70
- [Memory] key 71
- 4.9.4 Clearing the Memory 73
- 4.10 Sweep Functions 75
- Main Menu (1) 76
- Sweep Auxiliary 79
- Output Connector 79
- MG3641A/MG3642A rear panel 79
- 4.11 Trigger Function 81
- Trigger Program 82
- No Trig Program 82
- Trig Input 83
- 4.12 Miscellaneous Functions 85
- 4.12.1 Setting Display On/Off 85
- Chk SysGPIB Opt Trig 86
- Mod Ofs Mem 90
- Data out of range 90
- Error messages 90
- SECTION 5 93
- MEASUREMENT 93
- SECTION 5 MEASUREMENT 100
- Disturbing wave input level 101
- SECTION 6 107
- 6.1.3 Setup example 108
- 6.1.4 Standard 109
- 6.2 Device Message List 110
- 6.2.4 Writing Commands 111
- Fig. 6-2. Writing Commands 111
- 6.2.5 Compounding Commands 112
- 6.2.6 Parameter 113
- 6.2.7 Unit 113
- 6.2.8 Command Tree 114
- SECTION 6 GPIB 115
- 6.3 Connecting the GPIB Cable 120
- Program message unit 121
- Numeric program data 122
- Logical program data 122
- Character program data 122
- Suffix data (unit) 122
- 6.4.2 Response message format 124
- 6.5 Status Message 126
- 6.5.5 SCPI error messages 131
- 6.6 Initializing Device 133
- 6.7.1 Frequency subsystem 134
- 6.7.2 Output level subsystem 138
- Response Level offset value 140
- 6.7.3 AM subsystem 144
- 6.7.4 FM subsystem 145
- 6.7.5 PM subsystem 147
- 6.7.7 MEMORY subsystem 151
- 6.7.8 Display subsystem 153
- 6.7.9 System subsystem 154
- 6.7.10 Status subsystem 155
- 6.8 IEEE488.2 Common Command 157
- MG3641A/MG3642A 159
- MS2651A spectrum analyzer 159
- 6.10.1 Outline 162
- (3) Output level 163
- SECTION 7 169
- PERFORMANCE TEST 169
- SECTION 7 PERFORMANCE TEST 170
- 7.3 Performance Test 171
- 7.3.1 Output frequency 172
- Power meter 173
- +15 to Ma-8) 174
- (5) Note on test 179
- SECTION 8 181
- CALIBRATION 181
- 8.3 Calibration 182
- SECTION 8 CALIBRATION 184
- SECTION 9 185
- STORAGE AND TRANSPORTATION 185
- 9.3.1 Repacking 186
- 9.3.2 Transportation 186
- APPENDIX A 187
- INITIAL FACTORY SETTINGS 187
- APPENDIX B 191
- FUNCTION-KEY TRANSITION 191
- [Frequency offset value] 193
- 0.00 dB 193
- APPENDIX C 197
- FRONT AND REAR PANEL LAYOUT 197
- APPENDIX D 201
- APPENDIX D INDEX 202
- 3.1.1，4.4.3，4.5.3 203
- APPENDIX E 207
- Copy this at the measurement 212
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