Operating Instructions
32
253 Temperature too high Warm up instrument
255 Receiver signal too weak, Use target plate or change a good refection
measurement time too long
256 Received signal too strong Target too reflective use target plate or do not aim
at strong light objective
Error Hardware error and
uncertainty error
Switch on/off the device several times. If the
symbol still appears, try to replace the battery,
Otherwise your instrument is defective. Please call
your dealer for assistance