DEVA Broadcast DB7000 Maintenance And Operating Instructions page 42

High Cut bar graph –Audio disturbance effect is mostly present in the high frequencies.
Therefore, a means of reducing the effect of disturbances is to filter the high frequencies. The
audio bandwidth reduction is called "high cut". A value of 100% indicates that no "high cut" is
applied. The applied High Cut level depends on the following input signals: RF Signal Level,
Multipath and Ultrasonic Noise.
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Response of the FM High Cut function for several reduction values
Soft Mute bar graph - If a disturbance is present in the received signal, the perceived effect can
be reduced by attenuating the audio signal. The reduction of audio volume is called "soft mute".
A value of 0% indicates that no "soft mute" is applied. Soft Mute depends on the following input
signals: RF Signal Level, Multipath and Ultrasonic Noise.
Front panel buttons usage:
OK – leads to Main menu page.
Up/Down – Changes the currently displayed bar graph group 1 – 4.
SB1-SB4 – lead to different screens of the menu
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