Extech Instruments 407355 Manual de instrucciones descargar pdf (Pagina 6)

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9. METER CONFIGURATION SETTINGS

To change the meter’s default settings, first remove meter power. Press and hold the

RESET key while applying meter power. The current month (3-letter format) will briefly

appear (let go of the RESET key now) followed by Lc (Criterion Level) with a blinking

value. Change the value using the Up/Down arrow keys (MODE/EVENT keys). Scroll

through the parameters using the right arrow (CLOCK) key. Change their settings using

the Up/Down arrow keys. The following settings can be changed.

Press the RESET key to leave the configuration mode. Changes made are protected by

non-volatile battery backup.

10. MAINTENANCE

10.1 Battery Replacement

The battery meter on the left side of the LCD informs the user as to the health of the

battery. Replace the batteries when the battery icon appears drained. Remove the flat-

head screw on the rear of the meter. Remove the belt clip to expose the 4 x ‘AAA’

batteries. Replace the batteries observing proper polarity. Replace the clip and the screw.

10.2 Storage

Keep the Instrument in a dry location. For long term storage, remove the batteries.

10.3 Cleaning the meter

Wipe the meter case with a damp cloth. Do not use abrasive or solvents. Do not allow

moisture to enter the microphone, connectors, or housing.

10.4 Meter handling and other considerations

Do not attempt to remove the microphone grid.

Do not attempt to open the instrument.

Never mix different makes/types of batteries. Don’t mix charged/discharged batteries.

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Extech Instruments 407355 Manual de instrucciones Pagina 6