Extech Instruments EX230 Betriebsanweisung PDF herunterladen (Seite 10)

EX230-EU-EN-V1.2-09/10 10

AUTORANGING/MANUAL RANGE SELECTION

When the meter is first switched on, it automatically enters the AutoRanging mode. This

automatically selects the best range for the measurements being made and is generally

the best mode for most measurements. For measurement situations requiring that a range

be manually selected, perform the following:

1. Press the RANGE button. The “AUTO” display indicator will turn off.

2. Press the RANGE key to step through the available ranges until the range desired is

selected.

3. Press and hold the RANGE button for 2 seconds to exit manual ranging.

Note: Manual ranging does not apply to the Temperature, Diode and Continuity functions.

DISPLAY BACKLIGHT

Press and hold the IRT HOLD

button for 2 seconds to turn the backlight on. The

backlight will automatically turn off after approximately 10 seconds or press and hold the

button again for 2 seconds to manually turn it off.

HOLD

The HOLD function freezes the reading in the display. Press the HOLD button momentarily

to activate or to exit the HOLD function.

Note: The HOLD button does not function in the IR measurement mode.

AUTO SLEEP

If no button is pressed the auto sleep feature will place the meter in sleep mode after

approximately 30 minutes of operation. If this happens, press any button to wake the meter

or switch the meter to OFF if it no longer in use.

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Extech Instruments EX230 Betriebsanweisung Seite 10