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99
|
The
vertical
line
between
the
keyword
and
the parameter represents a variety of options.
[:SENSe]:BANDwidth|BWIDth
HIGH|LOWer
BANDwidth and BWIDth are options,
and HIGH and LOWer are options.
[ ]
Square brackets indicate that the included keywords or
parameters are optional when they form a command. These
implied keywords or parameters are executed even when they
are ignored.
[:SENSe]:BANDwidth?
SENSe is optional.
< >
The part inside the angle brackets can't be used literally in the
command, instead, it represents the part that must be
contained.
[:SENSe]:FREQency[:CW|FIXed]
<val>[unit]
In this command, <val> must be
replaced by the actual frequency.
[unit] means a unit that can be omitted.
For example: FREQ 3.5GHz FREQ
3.5e+009
{ }
The part inside the braces indicates that the parameter is
optional.
MEMory:TABLe:FREQuency
<val>{,<val>}
For example: MEM:TABL:FREQ 5e7
Table 5.3 Command Syntax
Character, Keyword and Syntax
Example
Capitalized characters represent the minimum character set required
to execute the command.
[:SENSe]:FREQuency[:CW|FIXed]?,
FREQ is the short-format part of
the command.
The lowercase character part of the command is optional; this
flexible format is called “Flexible Listening”. For more information,
please refer to the section “Command parameter and response”.
:FREQuency
:FREQ, :FREQuency or
:FREQUENCY,
any of which is correct.
A colon between two command mnemonics moves the current path
in the command tree downwards by one layer. For more
information, please refer to the command path part in the section
“Command tree”.
:TRIGger:MODE?
TRIGger is the topmost keyword of this
command.
If the command contains multiple parameters, the adjacent
parameters will be separated by commas. The parameter isn't a part
of the command path, so it doesn't affect the path layer.
MEMory:TABLe:FREQuency
<val>{,<val>}
The semicolon separates two adjacent commands but doesn't affect
the current command path.
:FREQ 2.5GHZ;:POW 10DBM
Blank characters such as <space> or <tab> are usually ignored as
long as they don't appear between the keywords or in the keyword.
However, the command and parameter must be separated by a blank
character, without affecting the current path.
:FREQuency or :POWer :LEVel6.2
is not allowed.
:LEVel and 6.2 must be separated by a
space.
i.e. :POWer:LEVel 6.2
