Headers in Query
Responses
You can control whether the instrument returns headers as part of the query
response. Use the HEADer command to control this feature. If header is on, the
instrument returns command headers as part of the query and formats the query
response as a valid set command. When header is off, the instrument sends back
only the values in the response. This format can make it easier to parse and
extract the information from the response.
Table 4: Comparison of Header Off and Header On responses
Query Header Off response Header On response
ACQuire:NUMAVg 64 ACQUIRE:NUMAVG 64
CHx1:COUPling DC CH1:COUPLING DC
Clearing the Output Queue
To clear the output queue and reset the instrument to accept a new command or
query, send a Device Clear (DCL) from a GPIB host.
From an RS-232 host, send a break signal. The RS-232 interface responds by
returning the ASCII string "DCL."
From a USB host, send an INITIATE_CLEAR followed by a
CHECK_CLEAR_STATUS. The USB interface responds to
CHECK_CLEAR_STATUS with STATUS_SUCCESS when it is finished
clearing the output queue.
Command Entry
Follow these general rules when entering commands:
â–
Enter commands in upper or lower case.
â–
You can precede any command with white space characters. White space
characters include any combination of the ASCII control characters
00 through 09 and 0B through 20 hexadecimal (0 through 9 and 11 through
32 decimal).
â–
The instrument ignores commands that consists of just a combination of
white space characters and line feeds.
Command Syntax
6 TBS2000 Series Programmer
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