Tonghui TH1942, Руководство по эксплуатации

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3.8.2 Using the 2
nd
parameter display ............................................................................................... 27
3.9 Math Functions .......................................................................................................................................... 27
3.9.1 Percent ......................................................................................................................................... 27
3.9.2 dB Calculation
.............................................................................................................................. 28
3.9.3 dBm Calculation .......................................................................................................................... 29
Chapter 4 Measurement Options ....................................................................................................................... 31
4.1 Measurement configuration ....................................................................................................................... 31
4.1.1 Range ........................................................................................................................................... 31
4.1.2 Relative
......................................................................................................................................... 32
4.1.3 Rate ............................................................................................................................................... 32
4.2 Trigger Operations ..................................................................................................................................... 33
4.2.1 Trigger flow
................................................................................................................................... 33
4.2.2 Reading Hold ............................................................................................................................... 34
4.3 MAX / MIN ............................................................................................................................................... 34
4.4 Limit Operations ........................................................................................................................................ 35
4.4.1 Enabling limits
.............................................................................................................................. 35
4.4.2 Setting Limit Values
.................................................................................................................... 35
4.5 System Operations ..................................................................................................................................... 36
4.5.1 Beeper Control
............................................................................................................................ 36
4.5.2 Baud rate ...................................................................................................................................... 36
4.5.3 Selecting the Terminal Character
.............................................................................................. 37
4.5.4 Key Sound
.................................................................................................................................... 37
Chapter 5 Remote Operation .............................................................................................................................. 39
5.1.1 RS-232
.......................................................................................................................................... 39
5.2 RS-232 Interface Operation ....................................................................................................................... 39
5.2.1 RS-232 Connection
.................................................................................................................... 39
5.2.2 Sending and receiving data
....................................................................................................... 40
5.2.3 Selecting Baud Rate ................................................................................................................... 41
5.2.4 Software Protocol
........................................................................................................................ 41
5.3 Data Format ............................................................................................................................................... 42
Chapter 6 SCPI Command Reference
.............................................................................................................. 43
6.1 Command structure .................................................................................................................................... 43
6.2 Command Syntax....................................................................................................................................... 43
6.2.1 Commands and command parameters
................................................................................... 43
6.2.2 Short-form Rules ......................................................................................................................... 45
6.2.3 Basic Rules of Command Structure
......................................................................................... 45
6.2.4 Multiple Command Rules
........................................................................................................... 46
6.2.5 Command Path Rules ................................................................................................................ 46
6.3 Command Reference ................................................................................................................................. 46
6.3.1 DISPlay subsystem ..................................................................................................................... 46
6.3.2 FUNCtion subsystem
.................................................................................................................. 48
6.3.3 VOLTage subsystem
................................................................................................................... 49
6.3.4 CURRent subsystem .................................................................................................................. 53
6.3.5 RESIister subsystem
.................................................................................................................. 57