HP 34970A Adding Channels to a Scan List, To Build a Scan List From the Front Panel:

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 . Select the function, range, resolution, and other measurement parameters for this

channel. You can also press to sequentially step through the scan 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 and select 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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