Keithley 2100 User Manual page 78

Section 4: Front Panel Operations
Figure 4-25
Setting the reference resistance from the front panel
DCI ACI
PREV
DCV AC V AC V
DISPLAY
FILTER DIGITS
NEXT
EXTRIG HOLD
AUTO
OFF SINGL E
TRIGGER
ON
POWER
TRIGGER
Making a dBm measurement
To make a dBm measurement from the front panel:
1. Select the measurement function by pressing one of the DCV or ACV keys (the dBm feature
is only available for the DCV and ACV functions).
2. Enable the dBm operation by pressing SHIFT + MIN/MAX keys.
3. After enabling the dBm operation, you can set or alter the dBm relative value as mentioned
above.
4. Observe the displayed reading (refer to
NOTE
Figure 4-26
Making a dBm measurement from the front panel
DCI
PREV
DCV AC V AC V
DISPLAY
FILTER DIGITS
NEXT
EXTRIG HOLD
SINGL E
OFF TRIGGER
ON
POWER
TRIGGER
To make a dBm measurement from a remote interface:
Use the following commands from your PC terminal to make the dBm measurement:
4-30
FUNCTION
4 PERIOD
2 2 2 2
FREQ CONT TEMP
LIMIT S MX+B dBm dB
%
RATIO
NULL
MIN/MA X
MATH
STORE L OCA L SHIFT
RECA L L CONFIG
MEMORY
Press SHIFT + MIN/MAX again to disable this feature. The "MATH" annunciator on the
display indicates the state of a mathematical feature.
FUNCTION
ACI 4
PERIOD
2 2 2 2
FREQ CONT TEMP
LIMIT S MX+B dBm dB
%
RATIO
MIN/MA X NULL
MATH
AUTO
SHIFT
STORE RECA L L L OCA L
MEMORY
Return to
Model 2100 6 1/2-Digit Resolution Digital Multimeter User's Manual
CAT
CAT
SENSE
4 WIRE
RATIO
200V
REF
PEA K
SETUP
RANGE
PREV NEXT
INPUTS
LOCK
F
ESC
ENTER
A UTO
FRONT/REAR
MENU
Figure 4-26
SENSE
4 WIRE
200V
PEA K
SETUP
RANGE
PREV NEXT
LOCK
F
ESC
ENTER
A UTO
FRONT/REAR
MENU
CONFIG
Section Topics
1000V
600V
INPUT
V
CONFIG
HI
1000V
PREV
PEA K
LO
3A 500V
RMS
PEA K
R
3A 250V
AMP S
for the location of the keys used).
CAT 1000V
CAT 600V
INPUT
V
HI
DCV
RATIO
1000V
REF
PEA K
LO
SHIFT
3A 500V
INPUTS
RMS PEA K
R
3A 250V
AMP S
2100-900-01 Rev. D / September 2011
SHIFT
MIN/MA X
NEXT
ENTER
AC V AC V
MIN/MA X