Troubleshooting
Measurement limit reached
There is too much metal around the MTC. The
measurement limit has been reached.
If necessary, use the “special low sensitivity”
mode.
LEDs are lighting without metal
The environment (metal, ground
mineralization) of the MTC just
changed.
Hold the MTC in the air (away from
metal) and press Button 1 once to
calibrate.
LEDs stay OFF despite metal being close
Check the charge status of the batteries and
replace
the batteries if needed.
Or:
You may have disabled the LEDs and/or the beeper
using the smartphone application.
Activate the LEDs display.
20
Connection problem
You cannot open the connection between the
smartphone and the MTC.
Restart the MTC and restart the smartphone
application.
