
U1251B and U1252B Quick Start Guide
Functions and Features
• Upon initial use (or after a prolonged storage period), the
rechargeable battery may require three to four charge/discharge
cycles before achieving maximum capacity. To discharge, simply
run the multimeter under the rechargeable battery's power until
it shuts down or the low battery warning appears.
• The multimeter may indicate that charging is complete after ten
minutes when charging a new rechargeable battery. This is a
normal phenomenon with rechargeable batteries. Remove the
rechargeable battery from the device, reinsert it, and repeat the
charging procedure.
Action Steps
Turns ON backlight Press .
Checks battery capacity Press and hold for >1 s.
Freezes the measured value Press .
Starts MIN/MAX/AVG recording Press and hold for >1 s.
Offsets the measured value Press .
Changes the measuring range Press .
Turns on auto range Press and hold for > 1 s.
Turns on dual display Press .
Starts manual data logging Press and hold for > 1 s.
Views the logged data Press for > 1 s, press
to scroll through the logged data.
Clears the logged data Press for > 1 s, press
for >1 s.
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