JTS RU-8011D Instruction Manual page 36

◎ Audio output attenuation (XLR)
At oFF No attenuation at audio input
At on 20dB attenuation at audio input
(depending on whether the
transmitter is provided with the
corresponding function) .
◎ SQ Receiving sensitivity
-5~+10dB; select
SQ with ▲/▼
When TX transmitter is selected:
◎ ATT microphone audio input attenuation
At oFF No attenuation at audio input
At on 20dB attenuation at audio input
◎ Microphone input sensitivity
Normal GAIN：+15dB
sensitivity
GAIN：+12dB
GAIN：+9dB
GAIN ：+6dB
GAIN：+3dB
GAIN：0dB
GAIN：-3dB
GAIN：-6dB
GAIN：-9dB
GAIN：-12dB
GAIN：-15dB
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-5 is the maximum
sensitivity.
+10 is the minimum
sensitivity.
The default setting is 0.
The function is activated with 20dB of audio
input attenuation.
It shows the SQ is 0dB (default setting).
This function is deactivated.
It shows the microphone input sensitivity is now
at 0dB (default setting).