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7. Safety and maintenance
7.1 General maintenance
Always store the glossmeter in its case when it is not in use.
Make sure the device is placed correctly in the case with the display facing the front.
Never use pressurized air to clean the meter.
Maintaining the screen
Handle the device with care and make sure that you do not accidentally scratch or
break the LCD screen. Do not bang the TQC Sheen Glossmeter or expose it to
extreme temperatures. Temperatures above 50°C will damage the display. This is a
real danger when, for example, the glossmeter is left in the car.
Cleaning the TQC Sheen Glossmeter
We recommend cleaning the instrument with a soft, dry cloth such as that used to
clean glasses. Do not use solvents!
Clean the plastic housing only with isopropyl alcohol and a dry cloth.
Cables and connections
The TQC Sheen Glossmeter can be connected to the PC by a USB cable. Never force
a connector that is difficult to insert in the connection. Make sure the connector
and the connection fit together and that they are aligned and undamaged. The
buttons on the TQC Sheen Glossmeter are disabled when the device is connected
to a PC. The message USB ATTACHED Buttons disabled displays on the screen.
Heat, humidity and dust
Keep the TQC Sheen Glossmeter away from extreme heat. Do not leave the device
near a heater or in the car on the dashboard. Heat can damage the screen, the
plastic housing and the internal components.
Do not leave the device in dusty, humid or wet places. Dust and humidity can
damage the device and cause defects/failures.
7.2 Calibration
The TQC Sheen Glossmeter automatically emits a signal when it needs calibrating.
For more information on calibration, see section 3.2.
The calibration value must be adjusted when the calibration holder is changed. The
calibration values are next to the glass plate in the calibration holder. Because the
value can differ for each calibration holder, it is important that a glossmeter is
always calibrated on the same calibration holder. The calibration values can be
adjusted when the calibration holder is replaced.
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