End Character; Scpi Language - UNI-T UTR2810E Series User Manual

3） Query result send by ASCII code string with NL(newline character, ASCII code is 10) as the end character.
4） UTR2810E sends the query result continuously (interval of 1ms)，the host computer should remain the
ready state, otherwise, data may be lost.
5） For some bus command which need a longer time to complete, such as zero clearing. The host computer
should be voluntary waiting or synchronize the execution of the previous command by response to the user's
keyboard input confirmation. To avoid the next command being ignored or error when command execution.
6） The communication software programed by DOS application software should running in the pure DOS
environment which provides serial port, not in the WINDOWS environment.
Notices：If the host computer cannot receive the return data of the instrument, user can use
the following methods to figure out：
1． If the software handshake is disabled, please refer to <system setup> to enable it.
2． If the serial port shows connection error, please check the cable connecting condition.
3． If the communication format of advanced language program occurs error, please check
whether the format ir right and baud rate is the same as the instrument.
4． If the the instrument is parsing the last command and the host computer cannot receive
the response, try again later.
<If the problem still cannot resolved, please consult with UNI-T after-sale engineer.>

5.6 End Character

The instrument provides three end characters：
LF (hexadecimal：0x0A)
CR(hexadecimal：0x0D)
CR+LF (hexadecimal：0x0D 0x0A)
End character can select in the system configuration page, the factory default is CR+LF.

5.7 SCPI Language

SCPI-Standard Commands for Programmable Instruments is the common command set to test
instrument adopt by UNI-T instrument. SCPI also known as TMSL-Test and Measurement System
Language, which develop based on IEEE488.2 by Agilent Technologies. It has been widely used by
manufacturers of test equipment.
The built-in command parser is responsible for analysis the user's command format. The command
parser complies with the SCPI protocol but is not completely the same, so please read "UTR2810E
SCPI command reference" carefully before start.
UTR2810E has RS232 interface，UTR2811E has no RS232 interface.
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