Measurement-computing Analyzer488 Uživatelský manuál Strana 215

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Section 6 Instrument Simulator
6.5
Y4
Value set by User Waveform Terminator (
Zn
)
command
Y?
Return current Terminator selection
User
Z0
Set User waveform terminator to 'null'
Waveform
Zn
Set User waveform terminator to
n
.
n
= 0 to 255
Terminator
Z?
Return current User waveform terminator selection
6.6.4 Poll Response Commands
The following commands define the response which the Analyzer488
will transmit when polled.
Parallel Poll
P0
Clear Parallel Poll register.
Response
Pn
Set Parallel Poll register to
n. n
= 0 to 255.
P?
Return current Parallel Poll register contents.
Serial Poll
S0
Clear Serial Poll register.
Response
Sn
Set Serial Poll register to
n. n
= 0 to 255.
S?
Return current Serial Poll register contents.
6.6.5 Miscellaneous Commands
The following commands provide timing and status information about
the Analyzer488.
Error Query
E?
Return error code and clear error condition.
Timed SRQs
T0
Disable SRQ on timeout.
Tn
Generate an SRQ at the end of
n
milliseconds.
n
= 0 to 65535
T?
Return number of milliseconds remaining
Status
U0
Send the Analyzer488 status string.
U?
Returns last status command
Version
V?
Return revision level of the Analyzer488 firmware
Query
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