8-118 Command Reference
:SYSTem :TOUT :AUTO
8 <Boolean>
Timeout, Automatic
This command is primarily intended for use with long measurement times to quickly
determine if there is any signal at all present at the input, without having to wait for
the entire measurement to time out.
If ON there will be a short timeout of 2 timer ticks (10-20ms) from the INIT/ARM to
the first start trigger, independent of any other timeout setting.
*RST condition: OFF.
:SYSTem :TOUT
8 <Boolean>
Timeout On/Off
This command switches the timeout on or off. When timeout is enabled, the mea
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surement attempt will be abandoned when the time set with :SYST:TOUT:TIME
has elapsed. Depending on GPIB mode and output format, a special response
message will be sent to the controller instead of a measurement result, and the
timeout bit in the STATus QUEStionable register will be set.
Returned format: See table on page 8-36.
Example:
SEND®
:SYST:TOUT81;TOUT:TIME80.5;:STAT:QUES:ENAB81024;:*SRE88
This example turns on timeout, sets the timeout to 0.5 s, enables status reporting of
questionable data at timeout, and enables service request on questionable data.
SEND® *STB? If bit 3 in the status byte is set, read the
questionable data status.
SEND® :STAT:QUES:EVEN? This query reads the ques
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tionable data status.
READ¬ «1024|0» 1024 means timeout has occurred, and 0
means no timeout.
*RST condition: 0
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