Techkon SpectroDens Manual page 25

Reset
A device reset sets the device back to factory settings. All calibration data (including
SLOPE values), stored measurement values, reference-, target-, and tolerance-values
will be deleted.
If the reset procedure in the settings window is not possible, a hardware reset has to
be carried out. The battery plug has to be unplugged for a couple of seconds an then
to be connected again. How to unplug the battery is described on page 21.
Warranty
The warranty for TECHKON products is 24 months starting with the date of pur-
chase. The invoice is the certificate of warranty. The warranty is invalid if the damage
is caused by inadequate use of the device.
Should a TECHKON product do not work according to the specification, please
contact us before sending us the device. In most cases we can solve the problem over
the phone or via E-mail.
Inspection intervals
TECHKON SpectroDens is maintenance free. We recommend to validate the
complete functionality of the devices in a 24 months time interval in the
TECHKON service center.
Please send the device always securely in the carrying case with complete accessories.
For a flat fee the device will be cleaned, checked and re-calibrated. In case a repair or
exchange of components should be necessary we will inform you in advance.
Manual TECHKON SpectroDens Chapter 1 – How to use SpectroDens Page 25