Extech Instruments 407355 Bedienungsanleitung PDF herunterladen (Seite 7)

407355 Version 2.4 9/07 7

0_7_

0_8_

0_3_

PEAK FLAG

When sound levels above 140dB are present the meter displays the PK symbol

HIGH LEVEL INDICATOR

When sound levels above 115dB are present the meter displays the headphone

symbol

Real Time Clock

Press the CLOCK key to display the current Day and Time accompanied by the TIME icon

blinking. Note that the DATE and TIME settings are saved when the meter is turned off. To

set the TIME and DATE refer to the Programming section.

Manual Programming

NOTE: The meter can be automatically programmed using the supplied software. Refer to

the PC interface sections for details. Specifically, the OCCUPATIONAL NOISE

EXPOSURE STANDARD software window can be used to configure the meter with one

click of the mouse. To Manually Program the meter, follow these steps:

1. To access the programming mode, start with the 407355 power off.

2. Press and hold the (RESET) button while turning the instrument on.

3. Release the RESET button when SEP (Setting Parameters) appears.

4. Use the left and right arrow buttons to select the desired parameter

5. Use the up and down arrow buttons to change a parameter’s setting

6. Refer to the parameter display symbols and their definitions below. These parameters

are discussed throughout this manual

(Criterion Level): 80, 84, 85, 90dB selections

(Threshold Level): 70 to 90dB selectable in 1dB steps

(Exchange Rate): 3, 4, 5, and 6 dB selections

First two digits of calendar year

Last two digits of calendar year

Calendar Month

Day of the Month

Hour of the day

Minutes

Slow (1 second) and Fast (125ms) response time settings

7. Press the button to exit the programming mode. Changes made in the programming

mode will be saved upon exiting. Note that settings are not lost when the meter is

turned off.

1 2 3 4 5 6 7 8 9 10 11 12 ... 16 17

Keine Kommentare

Extech Instruments 407355 Bedienungsanleitung Seite 7