horiba U-51, Инструкция по эксплуатации

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2 Device Information
6
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Operation key
Key name description
POWER key
Turns the system’s power ON/OFF. The initial screen appears
immediately after turning the power ON.
Press the POWER key for about 1 second to turn the power ON
and OFF.
MEAS key
When pressed in the measurement screen, used to set the
measurement values of all the measurement parameters.
Measurement values flash until the data stabilizes.
When pressed in the setting, calibration or data operation screen,
returns to the measurement screen.
ENTER key
Used to execute functions, set entered values or store data in
memory.
Used to change the size of measurement value.
CAL key
When pressed in the measurement screen, switches to the
calibration screen.
ESC key
Returns to the immediately preceding operation.
Used to stop measurement.
LIGHT key
Turns the backlight ON/OFF.

Using the backlight shortens battery life.

The backlight does not light for about 3 seconds after power
ON.

When the sensor probe is connected while the display's
backlight is lit, the backlight goes out for about 3 seconds.
Left key Moves the cursor to the left.
Right key Moves the cursor to the right.
Up key Moves the cursor up.
Down key Moves the cursor down.