TESTO 865s, Инструкция по эксплуатации

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6 Maintenance
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4 - Insert new battery and slide upwards
until it clicks into place.
5 - Close the battery compartment.
6.3
Cleaning the instrument
Cleaning the instrument housing

- The interface terminal is closed.
- The battery compartment is closed.
1 - Rub down the surface of the instrument with a damp cloth. Use mild
household cleaning agents or soapy water for this.
Cleaning the lens and display
1 - If the lens is dirty, clean it with a cotton bud.
2
- If the display is dirty, clean it with a cleaning cloth (e.g. microfibre
cloth).
6.4
Firmware update
The current firmware version is available at www.testo.com.