Keithley 2601 Reference Manual page 135

Series 2600 System SourceMeter® Instruments Reference Manual
Front panel auto zero
Set the auto zero from the front panel as follows:
1. Press the CONFIG key, and select MEAS from the menu.
2. Select AUTO-ZERO, then press ENTER or the Rotary Knob.
3. Select the desired mode (OFF, ONCE, or AUTO), and then press ENTER or the Rotary
Knob.
4. Press EXIT as necessary to return to the normal display.
Remote command auto zero
Use the auto zero command with the appropriate option shown in
remote. (See
automatic reference measurements on:
smua.measure.autozero = smua.AUTOZERO_AUTO
Table 4-5
Auto zero command and options
Command
smuX.measure.autozero = smuX.AUTOZERO_OFF
smuX.measure.autozero = smuX.AUTOZERO_ONCE
smuX.measure.autozero = smuX.AUTOZERO_AUTO
*smuX = smua for the Model 2601/2611/2635; smuX = smua (Channel A) or smub (Channel B) for
the Model 2602/2612/2636.
**Old NPLC cache values will be used when auto zero is disabled. See
this section.
2600S-901-01 Rev. C / January 2008
Section 4 for more details). For example, send the following command to turn
1
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Section 4: Basic Operation
Table 4-5 to set auto zero via
Description
2
Disable auto zero.
Force one ref and zero.
Force ref and zero with each mea-
surement.
"NPLC caching" earlier in
4-7