FAQs

Power the instrument off, wait ten seconds, and power it on again. If the freeze repeats, replace the batteries — a brown-out during range switching is the most common cause.

Slow refresh usually means a filtering or averaging mode is active. Check the mode indicator on the display and return to the default measurement mode to restore the normal refresh rate.

Hold the power button for ten seconds to force a shutdown. If the keypad is still unresponsive after restarting, submit a service request with the serial number and a description of the fault.