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Command Syntax
2–4
TLS 216 Programmer Manual
Clearing the Logic Scope
You can clear the Output Queue and reset the logic scope to accept a new
command or query by using the Device Clear (DCL) GPIB command.
Command Entry
H You can enter commands in upper or lower case.
H 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).
H The logic scope ignores commands consisting of any combination of white
space characters and line feeds.
You can abbreviate many logic scope commands. Each command’s listing in the
Commands section shows the abbreviations in capitals. For example, you can
enter the command ACQuire:NUMAvg simply as ACQ:NUMA or acq:numa.
If you use the HEADer command to have command headers included as part of
query responses, you can further control whether the returned headers are
abbreviated or are full-length. The VERBose command lets you control this.
You can concatenate any combination of set commands and queries using a
semicolon (;). The logic scope executes concatenated commands in the order
received.
When concatenating commands and queries, you must follow these rules:
1. Separate completely different headers by a semicolon and by the beginning
colon on all commands but the first. For example, the commands TRIGĆ
ger:MODe NORMal and ACQuire:NUMAVg 10 would be concatenated into a
single command:
TRIGger:MODe NORMal;:ACQuire:NUMAVg 10
2. If concatenated commands have headers that differ by only the last mnemon-
ic, you can abbreviate the second command and eliminate the beginning
colon. For example, you can concatenate the commands ACQuire:MODe
ENVelope and ACQuire:NUMAVg 10 into a single command:
ACQuire:MODe ENVelope; NUMAVg 10
The longer version works equally well:
ACQuire:MODe ENVelope;:ACQuire:NUMAVg 10
Abbreviating Commands
Concatenating Commands