Features and Functions 2
Keysight U1241B and U1242B User’s and Service Guide 41
Manual Logging
To enable the Hand (manual) logging function, select the Hand logging mode in 
Setup mode. 
1 Press   (Log) for more than one second to store the present value and 
function on primary display to memory.
2 Press   (Log) again for the next value that you want to save into memory, 
see Figure 2-1.
Table 2-2 Functions available for data logging
Function Mode Range
Voltage DC, AC 1000 mV to 1000 V
Current DC, AC, % of mA 1000 μA to 10 A
Hz AC Auto
Harmonic Ratio AC Auto
Ω Continuity 1000 Ω to 100 MΩ
Diode
1.1 V
Switch Counter
10, 100, HAn
Capacitance
1000 nF to 10 mF
Temperature T1, T2, T1 – T2, 
Relative
Recording mode MAX, MIN, AVG, MAXMINAVG
HOLD