Agilent Technologies 34901A User Manual page 81

Chapter 4 Features and Functions
Scanning
Adding Channels to a Scan List
Before you can initiate a scan, you must configure the channels to be
scanned and set up a scan list (these two operations occur simultaneously
from the front panel). The instrument automatically scans the
configured channels in ascending order from slot 100 through slot 300.
To Build a Scan List From the Front Panel:
To add the active channel to the scan list, press
function, range, resolution, and other measurement parameters for this
channel. You can also press
list and take a measurement on each channel (readings are not stored in
memory). This is an easy way to verify your wiring connections and
channel configuration (also valid during a scan).
• When you reconfigure a channel and add it to the scan list, it is
important to note that the previous configuration on that channel
is lost. For example, assume that a channel is configured for
dc voltage measurements. When you reconfigure that channel for
thermocouple measurements, the previous range, resolution, and
channel delay are set to their Factory Reset (*RST command) state.
• To remove the active channel from the scan list, press
CHANNEL OFF . If you decide to add that channel back to the scan list
with the same function, the original channel configuration (including
scaling and alarm values) is still present.
• To initiate a scan and store all readings in memory, press
(the SCAN annunciator will turn on). Each time you initiate a
new scan, the instrument clears all previously stored readings.
• To stop a scan, press and hold
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. Select the
to sequentially step through the scan
.
and select