B&K 2250 Light Instrukcja Użytkownika Pobierz pdf (Strona 247)

APPENDIX A

Setup Parameters

235

A.10 Level Trigger

Marker 6 Text string Default set to ‘Sound’. This marker is set if a

signal recording is made during a

measurement

Pre-marker Time 0 to 5s Specifies number of seconds marker 1,

marker 2 or marker 3 will be set ahead of the

point where the Back-erase or the Manual

Event pushbuttons are pressed or the level

trigger conditions are fulfilled

*. For Logging (BZ-7224) and Enhanced Logging (BZ-7225) templates only.

Table A.10 Level Trigger parameters

Parameter Values Comment

Level Trigger Control On

Off

Set to On for setting Marker 3 (Level) when

the Trigger Parameter fulfils the Level Trigger

conditions (see below). The conditions are

checked every second.

Signal Recording

†

can also be controlled by

these settings, see Setup > Signal

Recording > Recording Control parameter

Start Slope Rising

Falling

Set to Rising to start when level goes above

Start Level (and then stop when level goes

below Stop Level).

Set to Falling to start when level goes below

Start Level (and stop when level goes above

Stop Level)

Start Level –100 to 200 dB Start trigger conditions are fulfilled, when level

crosses Start Level (in accordance with Start

Slope) for at least Start Duration seconds –

set Start Level here

Start Duration 0 to 420 s Start trigger conditions are fulfilled, when level

crosses Start Level (in accordance with Start

Slope) for at least Start Duration seconds –

set Start Duration here. The Start Duration will

be limited by the internal recording buffer size

and the Recording Quality and Resolution

(Table A.18).

Table A.9 (Cont.) Markers

Parameter Values Comment

1 2 ... 242 243 244 245 246 247 248 249 250 251 252 ... 331 332

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