3 Performance Verification
96 Keysight DAQ970A/DAQ973A Service Guide
3 Perform Autocalibration using either methods below:
– Front panel operation: Press [Utility] > Autocal > Perform Autocal
– Remote interface operation:
“*CAL?” or “SYSTem:ACALibration? {<slot>|DMM|ALL}”
4 Apply the following settings at Channel 101:
i Press the [Channel] key to enter the [Channel] menu
ii Press Measure > DCV
iii Press Volt Range > 300mV
iv Next, press Advanced > Mode > Freq
v Press Type > Diff > Done
vi Press [Interval] > Sample Settings > Samp Rate > 6.25K
vii Use the knob or arrow keys to set Samp Count value to 1250.
viii Press Done.
5 Copy the settings from Channel 101 to Channels 102 through 104.
i Press [Copy] key to enter the [Copy] menu.
ii Press Source Chan(s) > Start Channel and use the knob or arrow keys
and set Start Channel to 101.
iii Press End Channel and use the knob or arrow keys and set End Channel
to 101.
iv Next, press Dest. Chan(s) > Start Channel and use the knob or arrow
keys and set Start Channel to 102.
v Press End Channel and use the knob or arrow keys and set End Channel
to 104.
vi Press Copy Now to initiate the copying process.
vii Once the process is completed, press the [Home] key.
6 Apply 600 mV from a DC voltage source at Channel 101 to Channel 104.
NOTE
Refer to “*CAL?” in the DAQ970A/DAQ973A Programming Guide for more
details.
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