Sound level meter – NTi Audio XL2 Sound Level Meter User Manual

Page 53

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53

Sound Level Meter

1

Trigger Events

Choose from the following settings:

Off

No event triggering

on level
above

Events are triggered at noise levels above the
preset value

2

for the start duration

13

.

on level
below

Events are triggered at noise levels below the
preset value

2

for the start duration

13

.

on ext.
key
press

Events are triggered by external key press.

2

Start [dB]

Set the level at which the triggered event is started.

Start Duration

13

The event start is triggered when the noise level is higher
(or lower ) than the preset value and continues for the pre-
set duration.

3

Stop [dB]

Set the level at which the triggered event is stopped.

on level
above

Stop level = Start level

2

- Hysteresis

14

on level
below

Stop level = Start level

2

+ Hysteresis

14

Stop Duration

12

The event stop is triggered when the noise level is lower (or
higher) than the preset value and continues for the preset
duration.

Hysteresis

14

Set the hysteresis to an appropriate value to prevent rapid
switching on and off as the level drifts around the Start
level.

4

Level Selection

Define the level type to be monitored.

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