RIGOL
DS4000E Programming Guide
2-65
:CHANnel<n>:TCALibrate
Syntax
:CHANnel<n>:TCALibrate <tcal>
:CHANnel<n>:TCALibrate?
Description
Sets or queries the delay calibration time (used to calibrate the zero offset) of the specified analog channel.
The default unit is s.
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2|3|4}
--
<tcal>
Real
-100 ns to +100 ns
0 s
Remarks
When the horizontal time base is greater than or equal to 10 us (refer to the :TIMebase[:MAIN]:SCALe
command), the delay calibration time cannot be adjusted.
Return Format
The query returns the delay calibration time in scientific notation.
:CHANnel<n>:TYPE?
Syntax
:CHANnel<n>:TYPE?
Description
Sets or queries the type of a probe currently connected to the specified analog channel.
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2|3|4}
--
Return Format
The query returns NORM or DIFF. NORM indicates the normal probe, and DIFF indicates the active probe.
:CHANnel<n>:UNITs
Syntax
:CHANnel<n>:UNITs <units>
:CHANnel<n>:UNITs?
Description
Sets or queries the amplitude display unit of the specified analog channel.
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2|3|4}
--
<units>
Discrete
{VOLTage|WATT|AMPere|UNKNown}
VOLTage
Return Format
The query returns VOLT, WATT, AMP, or UNKN.
