:COMMunicate
:SERial[
n
][:RECeive]
:PACE:THReshold
:STARt
SYSTem:COMMunicate:SERial[
n
][:RECeive]:PACE:THReshold:STARt
<
char_count
>
configures the input buffer level at which the specified
interface may send the
XON
character (ASCII 11
16
), assert the DTR line,
and/or assert the RTS line.
Parameters
Parameter
Name
Parameter
Type
Range of Values
Default
Units
<
char_count
>
numeric
1 through 99 for built-in,
1 through 8191 for E1324A
none
Comments
•
To determine the size of the input buffer of the serial interface you
are using, send
SYST:COMM:SER[
n
]:PACE:THR:STARt? MAX
.
The returned value will be the buffer size less one.
•
…
STARt
must be set to less than
…
STOP
.
•
The
…
THR:STAR
command has no effect unless
…
PACE:PROT XON
,
…
CONT:DTR IBF
, or
…
CONT:RTS IBF
has
been sent.
•
Related Commands:
SYST:COMM:SER[
n
][:REC]:PACE[:PROT] XON | NONE
,
SYST:COMM:SER[
n
]:CONT:DTR
,
SYST:COMM:SER[
n
]:CONT:RTS
•
*RST Condition: No change.
Example
Set Interface to Send XON When Input Buffer Contains 10 Characters
SYST:COMM:SER0:PACE:PROT XON
SYST:COMM:SER0:PACE:THR:STAR 10
:COMMunicate
:SERial[
n
][:RECeive]
:PACE:THReshold
:STARt?
SYSTem:COMMunicate:SERial[
n
][:RECeive]:PACE:THReshold:STARt
[MIN | MAX]
returns:
–
The current start threshold if no parameter is sent.
–
The maximum allowable setting if
MAX
is sent.
–
The minimum allowable setting if
MIN
is sent.
Comments
•
To determine the size of the input buffer of the serial interface you
are using, send
SYST:COMM:SER[
n
]:PACE:THR:STARt? MAX
.
The returned value will be the buffer size less one.
Example
Return Current Start Threshold
SYST:COMM:SER0:PACE:THR:STAR?
Query for threshold value.
enter statement
Statement enters a numeric value.
174 Agilent E1406A Command Reference
Chapter 5
Summary of Contents for E1406A
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Page 120: ...Notes 118 Triggering and System Status Chapter 4 ...
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Page 240: ...Notes 238 Agilent E1406A Command Reference Chapter 5 ...
Page 252: ...Notes 248 Agilent E1406A Specifications and General Information Appendix A ...