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Troubleshooting – Sper Scientific 800021 RH/Temp SD Card Logger User Manual

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TROUBLESHOOTING

System Reset

If the meter is not functioning
properly (i.e., the system is frozen
and the keypad is non-operational),
reset the meter:

1. Press POWER to turn the meter

on.


2. Use a small tool (such as a

disassembled paperclip or a pin)
to press the RESET button
(located on the right side of the
meter under the protective black
cover). Wait a few seconds for
the meter to restart.