Lct 540 – LEWITT LCT 540 User Manual
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High-pass filter indications ⑤
·The currently active high-pass setting is illuminated.
Setting a high-pass filter
·High-pass filters can be set by briefly pressing the noiseless high-pass filter push button ⑥. Settings are: Off, 12 dB / octave at 40 Hz and
6 dB / octave at 300 Hz. High-pass filters eliminate unwanted low frequency noise such as structure borne noise.
Key-lock function
The noiseless push buttons of the microphone can be locked and unlocked by constantly pressing the key-lock push button ② for more than 2
seconds.
Automatic attenuation function
The microphone will automatically adjust to the next higher attenuation level if it experiences clipping due to a high SPL. The microphone
enters and leaves the automatic attenuation mode by constantly pressing the attenuation push button ④ for more than 2 seconds. The
microphone is set to automatic attenuation mode if the status indicator ① is illuminated in red. Please note that the microphone will need
around half a second to adjust to the new attenuation level.
Using the mic
LCT 540
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