Extech Instruments 42512 Manual de usuario descargar pdf (Pagina 5)

42512-en-GB_V7.3 11/14

MAX (maximum) temperature display

The highest reading encountered during a single measurement scan is displayed in the MAX display

Backlight

1. Press and release the Trigger

2. While HOLD is on the display, press the backlight button once to turn on the backlight on or

off.

3. The backlight will illuminate in the LCD when the feature is enabled.

4. The status of the backlight will be stored in memory and will remain as the “turn-on” condition

until changed.

5. Note: The backlight will shorten the battery life. Only use this feature when required.

The MODE button options

The MODE button is used to access the Emissivity, Lock, High alarm and Low alarm features of the

instrument.

1. Press and release the Trigger

2. While HOLD is on the display, press the MODE button to step through and program the

following features. A blinking icon indicates the feature is selected.

E= (Emissivity Value)

Press the ▲ or ▼ buttons to change the emissivity value.

(Lock mode On/Off)

Press the ▲ or ▼ buttons to turn the lock feature ON or OFF.

(High Alarm On/Off)

Press the ▲ or ▼ buttons to turn the High Alarm feature ON or OFF.

(High Alarm setting)

Press the ▲ or ▼ buttons to set the high alarm limit value in the main display

(Low Alarm On/Off)

Press the ▲ or ▼ buttons to turn the High Alarm feature ON or OFF.

(Low Alarm setting)

Press the ▲ or ▼ buttons to set the Low alarm limit value in the main display.

High and Low Alarm Feature

The meter has a programmable high and low alarm feature. When either alarm point is reached the

meter will alert the user via an audible beep and a blinking LCD display icon. The alarm limit is set

and the feature is enabled/disabled using the MODE button. The setting is stored and memory and

will remain as the “turn-on” condition until changed.

Temperature Units

The temperature units can be set to °F or °C using the switch located in the battery compartment.

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Extech Instruments 42512 Manual de usuario Pagina 5