User manual

4-30 Return to Section Topics 2100-900-01 Rev. E / March 2012
Section 4: Front Panel Operations Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s Manual
Figure 4-25
Setting the reference resistance from the front panel
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 Figure 4-26 for the location of the keys used).
NOTE Press SHIFT + MIN/MAX again to disable this feature. The "MATH" annunciator on the
display indicates the state of a mathematical feature.
Figure 4-26
Making a dBm measurement from the front panel
To make a dBm measurement from a remote interface:
Use the following commands from your PC terminal to make the dBm measurement:
FILTER
NEXT
PREV
DIGITS
RATIO
%
MIN/MAX
NULL
ESC
ENTER
AUTO
SINGLE
TRIGGER
STORE
RECALL
LOCAL
SHIFT
CONFIG
MENU
AUT O
DCV
ACV
22
FREQ
CONT
TEMP
4 WIRE
RATIO
V
INPUT
PEAK
200V
PEAK
HI
LO
PEAK
500V
3A
RMS
INPUTS
3A 250V
FRONT/REAR
AMPS
R
1000V
REF
CAT 1000V
CAT 600V
LOCK
SETUP
ACV
22
FUNCTION
DCI ACI
4
PERIOD
LIMITS MX+B
dB
EXTRIG
HOLD
MATH
TRIGGER MEMORY
dBm
RANGE
DISPLAY
NEXT
PREV
POWER
OFF
ON
SENSE
F
NEXT
PREV
MIN/MAX
ENTER
SHIFT
CONFIG
FILTER
NEXT
PREV
DIGITS
RATIO
%
MIN/MAX
NULL
ESC
ENTER
AUTO
SINGLE
TRIGGER
STORE
RECALL
LOCAL
SHIFT
CONFIG
MENU
AUT O
DCV
ACV
22
FREQ
CONT
TEMP
4 WIRE
RATIO
V
INPUT
PEAK
200V
PEAK
HI
LO
PEAK
500V
3A
RMS
INPUTS
3A 250V
FRONT/REAR
AMPS
R
1000V
REF
CAT 1000V
CAT 600V
LOCK
SETUP
ACV
22
FUNCTION
DCI ACI
4
PERIOD
LIMITS MX+B
dB
EXTRIG
HOLD
MATH
TRIGGER MEMORY
dBm
RANGE
DISPLAY
NEXT
PREV
POWER
OFF
ON
SENSE
F
SHIFT
MIN/MAX
DCV
ACVACV