Performance Tests and Calibration 5
U1241B/U1242B User’s and Service Guide 55
Exiting Adjustment Mode
1 Remove all shorting plugs and connectors from the multimeter.
2 Record the new Calibration Count, see Calibration Count.
3 Press   and   simultaneously to exit the Adjustment Mode. 
Power off and on the multimeter to return to normal measurement 
mode and secured. 
Step Test Function Cal Range Input  Cal Item
U1241B U1242B
Move the test lead from “μA.mA” and “COM” terminal to “A” and “COM” terminal
Caution: Connect the calibrator to the multimeter's “A” and “COM” terminal before applying 10 A
10 Turn the rotary switch to   
position
Open Input terminals open 
(remove all test leads and 
shorting plugs from input 
terminals)
oPEn
10 A 10 A 10.000 A
11 Press   to go to 
A  10 A0.5 A, 70 Hz 0.500 A
function 1 A, 70 Hz 1.000 A
10 A, 70 Hz 10.000 A
12 Turn the rotary switch to 
T1 or 
T1T2 position 
Short Dual banana plug with 
copper wires short 
between two terminals
SHrt
100 mV 100 mV 100.00 mV
13 Press   to go to 
T1 
function 
K-type 0 ºC 000.0 ºC