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Digital filter
The G90 has a built-in digital filter. The bandwidth of the filter can be adjusted to suit band conditions and your own listening
preference.
Operation
：
1.
Press the [FUNC] button;
2.
Press the [CMP/F-L] button followed by the [NB/F-H] button;
3.
Rotate the main knob to adjust the upper and lower
boundaries of the filter to achieve the desired bandwidth.
4.
Press the [CMP/F-L] button and [NB/F-H] button again to display
the current bandwidth value (B) on the screen.
Schematic diagram of filter bandwidth parameters:
F-L: Low pass cutoff frequency of the filter (upper boundary).
F-H: High pass start frequency of the filter (lower boundary).
B: Overall filter bandwidth.
Filter
bandwidth
B
=
(F-L
frequency)
–
(F-H
frequency)
(unit:
Hz)
Bandwidth value
Sinotel
UK
Limted
