Keithley 2100 User Manual page 51

Model 2100 6 1/2-Digit Resolution Digital Multimeter User's Manual
Table 4-1
Relationship of resolution to Auto Gain
Resolution
Fast 4 1/2 digits
Slow 4 1/2 digits
Fast 5 1/2 digits
Slow 5 1/2 digits
Fast 6 1/2 digits
Slow 6 1/2 digits
To set Auto Zero and Auto Gain from the front panel:
1. Press the MENU key on the multimeter front panel.
2. Using the PREV and NEXT keys, select SET ADC, then press the ENTER key.
3. Select either ZERO or GAIN (using the PREV and NEXT keys), then press the ENTER key.
4. Select either the AUTO ZERO or AUTO GAIN option, then press the ENTER key.
5. Select either ON or OFF and press the ENTER key.
Please refer to
Procedures: MENU
NOTE
Figure 4-1
Setting Auto Zero and Auto Gain from the front panel
DCI
PREV
DCV
DISPLAY
FILTER
NEXT
EXTRIG
OFF SINGL E
ON
POWER
TRIGGER
To set Auto Zero and Auto Gain from the remote interface:
To set Auto Zero and Auto Gain through the remote interface, use the following commands:
The OFF and ONCE parameters have a similar effect. Auto Zero OFF or Auto Gain OFF doesn't
issue a new offset measurement. However, Auto Zero ONCE or Auto Gain ONCE issues an
immediate offset measurement.
2100-900-01 Rev. D / September 2011
Auto Zero
Off
Off
Off
On
On
On
Figure 4-1 for the location of these front panel keys.
SET ADC
MENU SET ADC
To change the resolution, refer to
FUNCTION
ACI 4 PERIOD
2 2 2 2
AC V AC V
FREQ CONT TEMP
LIMIT S MX+B dBm dB
%
DIGITS RATIO NULL
MIN/MA X
HOLD MATH
AUTO
STORE SHIFT
RECA L L L OCA L
TRIGGER
MEMORY
SENSe:ZERO:AUTO {OFF|ONCE|ON}
SENSe:GAIN:AUTO {OFF|ONCE|ON}
Return to
Auto Gain
Off
Off
Off
On
On
On
ZERO AUTO ZERO {ON|OFF}
GAIN AUTO GAIN {ON|OFF}
"Resolution setting
CAT 1000V
CAT
SENSE
4 WIRE
RATIO
200V
REF
PEA K
LO
SETUP
RANGE
PREV NEXT
INPUTS
RMS
LOCK
F
ESC ENTER
A UTO
FRONT/REAR
MENU
CONFIG
Section Topics
Section 4: Front Panel Operations
Integration time
(PLC)
0.02
0.1
0.1
1
1
10
(digits)."
600V
INPUT
V
MENU
HI
1000V
PEA K
PREV
3A 500V
PEA K
R
ENTER
3A 250V
AMP S

NEXT
4-3