horiba U-51, Инструкция по эксплуатации

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Control unit
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Do not subject to strong shocks.

The operation keys are designed to operate using the pad of a finger, sharp objects can
tear the control unit cover damaging the operation keys.

The control unit is no longer waterproof when the USB cable is connected.

When operating the control unit only, protect the connector with the connector cap
provided.

Remove the batteries when not using the control unit for an extended period of time.
Battery fluid leakage may cause equipment failure.

Do not wipe the control unit with organic solvents or powder polish. The surface may
deteriorate or its printing may disappear. If the display becomes dirty, wipe the dirt off with
a soft cloth soaked in neutral detergent.

Do not turn the power OFF or disconnect the cable during calibration or setting. Memory
data may be erased.

To perform measurement, connect the sensor probe cable before turning the power ON.

Do not remove the battery gasket or twist it.

When opening the battery case, make sure that no foreign matter is attached to the
battery gasket.

Do not use any unspecified batteries; it may cause breakage.
Operation keys
Battery cover
Batteries
Battery gasket