Calibration Procedures
1
Keysight U1241C/U1242C Service Guide
23
Input warning test (
terminal)
The multimeter emits a continuous beep and the red LED indicator lights up when
the test lead is inserted into the
input terminal but the rotary switch is not
set to the corresponding
function. The secondary display will show
until the test lead is removed from the
input terminal or until the rotary
switch is set to the
position.
Figure 1-3
Example of
μ
AEr for wrong terminal input
mA
mA
2
1
Vsense
1
U1242C
True RMS Multimeter
mA
A
COM
V
A
V
V
mA
Z
LOW
Hz
Range
Shift
Hold
Esc
Vsense
MaxMin
Auto
Log
View
2
600V
CAT III 1000V
CAT IV
MAX
FUSED
10A MAX FUSED
440mA
NOTE
Before conducting this test, make sure the beep alert function is enabled in the
Setup mode.