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[SENSe[<
chan
>]]
:FUNCtion "<
function
>"
[SENSe[<
chan
>]]
:VOLTage
[:DC]
:RANGE <
range
>
Note Each command in these subsystems is covered in detail in Chapter 4 -
"Command Reference".
Each input parameter setting is unique to each port. The settings are
"remembered" so that changes made to one port do not affect the changes
made previously to the other port. However, the signal range set (or
changed) for one port applies to the other port as well.
Selecting the Input Port The digitizer input channels are numbered 1 and 2. The input ports on each
channel are:
• channel 1
– port 1 - singled-ended input
– port 3 - differential input
• channel 2
– port 2 - single-ended input
– port 4 - differential input
The active input port is specified by the (@<input port >) parameter of the
CONFigure and MEASure commands, and by [<port >] in the other
digitizer commands. In those commands, [<port >] is optional as indicated
by the brackets []. If a port number is not specified, port 1 (channel 1) is
assumed.
The active input port is also selected with the command:
[SENSe[<
chan
>]]:FUNCtion "<
function
>"
The "<function >" settings are:
VOLTage[:DC]1port 1 (channel 1)
VOLTage[:DC]2port 2 (channel 2)
VOLTage[:DC]3port 3 (channel 1)
VOLTage[:DC]4port 4 (channel 2)
Readings are taken on only one input port per channel.
Chapter 3 Understandin
g
the HP E1429 Di
g
itizer 107