10   U1241B/U1242B User’s and Service Guide
2   Features and Functions   
 
Measuring Voltage
Measuring DC Voltage               Measuring AC Voltage
Measuring Current (> 440 mA)
 
Ensure that terminal connections are correct for that particular measurement before any 
measurement. To avoid damaging the device, do not exceed the input limit.
Press   to select 
AC current measurement 
mode.
 (U1241B) or
  (U1242B)
Press   to select 
AC current measurement 
mode
Measuring DC current  Measuring AC current