BSWA 308 - Advanced Settings and Protocol; System Setup Options

BSWA 308/309 BSWA Technology Co., Ltd
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4.3.13 Lden Period
Menu of Lden Period can set the start time of day, evening,
night and the penalty value of evening and night. Press <▲>,
<▼> can choose and select.
The time of day, evening, night and penalty value need to be
determined according to local regulations. For the meaning of
Lden and Lden equivalent sound level, the definition of time
period and the penalty value, please refer to GB/T 3222.2 and ISO 1996-2.
Ld, Le, Ln, Ldn and Lden measurement value can be selected and displayed in the menu
of Custom Measure.
★Note: If the local regulation only determined two time periods of day and night, it’s only
need to set the Evening Time after Night Time and before the Day Time, then Night Time
setting will invalid. For example, set Day Time, Evening Time and Night Time as 07:00,
01:00 and 23:00.
4.4 Setup
Menu of Setup include the basic
function setup and condition
display. Press <▲>, <▼> can
choose and select, press <Enter>
to access next level menu.
4.4.1 Contrast
Menu of Contrast can set the contrast of LCD display for 14
levels adjustable. Press <▲>, <▼> can choose and select.