Getting Started 1
U1241A/U1242A User’s and Service Guide 7
Table 1 - 4 Keypad descriptions and functions
Table 1 - 5 Features that can be accessed through front panel keypad
Function First level functions Range Second level functions (press .........) Range
OFF Turn off the meter
DCV measurement 0.1 mV to 1000 V ACV measurement 0.1 mV to 1000 V
Harmonic ratio (for U1242A only) 0.0% to 99.9%
Diode measurement
Switch counter measurement
Resistance measurement 0.1 W to 100 MW Audible continuity measurement
Capacitance measurement 0.1 nF to 10 mF
DCµA
0.1 μA to 10 mA
ACµA measurement
0.1 μA to 10 mA
DCmA 0.01 mA to 440 mA ACmA measurement 0.01 mA to 440 mA
mA% scale
DCA 0.001 A to 10 A ACA measurement 0.001 A to 10 A
T1 T1 temperature –40 °C to 1000 °C T2 and T1–T2 temperature measure-
ments (for U1242A)
–40 °C to 1000 °C
Actions Steps
Turns ON backlight Press
Checks battery capacity Press and hold for > 1 second
Freezes the measured value Press
Starts MIN/MAX/AVG recording Press and hold for > 1 second
Offsets the measured value Press
Scans the measured temperature (for U1242A only) Press and hold for > 1 second
Changes the measuring range Press
Turns on auto range Press and hold for > 1 second
Measures frequency for AC signal Press
Starts manual data logging Press and hold for > 1 second
Please use manual ranging to measure AC signal with a DC offset.
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