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2.4 Commands
2.4 Commands
2.4.1 Command syntax
2.4.2 Notation
2.4.3 Examples
SIM911 BJT Preamp
This section provides syntax and operational descriptions for remote
commands.
The four letter mnemonic (shown in CAPS) in each command se-
quence specifies the command. The rest of the sequence consists of
parameters.
Commands may take either set or query form, depending on whether
the "?" character follows the mnemonic. Set only commands are
listed without the "?", query only commands show the "?" after the
mnemonic, and optionally query commands are marked with a "(?)".
Parameters shown in
are required to set a value, and are omitted for queries. Parameters
listed without any surrounding characters are always required.
Do not send ( ) or
as part of the command.
Multiple parameters are separated by commas. Commands are ter-
minated by either CR or LF characters. Null commands and
whitespace are ignored. Execution of command(s) does not begin
until the command terminator is received.
The following table summarizes the notation used in the command
descriptions:
symbol
definition
i
Integers
(?)
Required for queries; illegal for set commands
var
required parameter for set commands; illegal for queries
Each command is provided with a simple example illustrating its
usage. In these examples, all data sent by the host computer to
the SIM911 are set as straight teletype font, while responses
received the host computer from the SIM911 are set as slanted
teletype font.
are not always required. Parameters in
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