HP 81101A Reference Manual page 65

Command
:PULS:TRAN[1]:UNIT
Long
[:SOURce]:PULSe:TRANsition[1]:UNIT
Form
Set & Query
Parameter
S | SEC | PCT
*RST value
S
Description
Use this command to set the default units for the pulse transition times.
The default unit is used when the parameter is programmed to a value
without a unit suffix.
Command :PULS:TRAN[1]
Long
[:SOURce]:PULSe:TRANsition[1][:LEADing]
Form
Set & Query
Parameter
Numeric
Parameter suffix
S with engineering prefixes, or PCT
*RST value 5 ns
Specified limits
5 ns to 200 ms
Parameter By default: Trailing edge = Leading edge with:PULS:TRAN:TRA:AUTO
coupling
ON.
Use :PULS:TRAN:TRA:AUTO OFF to enable independent programming
of the trailing edge within a 1:20 ratio for the ranges.
Description
Use this command to set/read the transition time of the pulse leading
edge. Note that the leading and trailing edges of the pulse have to fit
within the defined pulse width.
Example To set leading and trailing edges independently:
:PULS:TRAN1 6NS
:PULS:TRAN:TRA:AUTO OFF
:PULS:TRAN:TRA 15 NS
Programming Reference
SCPI Instrument Command List
Set OUTPUT leading edge to 6 ns
Enable independent setting of trailing
edge
Set OUTPUT trailing edge to 15 ns
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