Lden - Castle group dBAir Operating Manual

Lden

Choose Lden to set day, evening and night settings.
Press OK or the Left, Right Arrow keys to toggle enable Lden.
When enabled Day, Evening and Night become available. Scroll the available options
using the Up or Down Arrow keys and use the Left or Right Arrow keys to amend the
values.
Day, Evening and Night can be individually set as follows: -
From (hh:mm)
• 00:00 to 23:59
Penalty (dB)
• 0 to 20
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