5
West Mountain Radio
Operating Manual
Controls
Power:
Simple On/Off.
Power LED:
Green on indicates the unit is powered.
Channel controls:
For the right and left channels the following
are on the front panel:
•
Volume Control: The desired volume level from the radio
may be controlled with the volume knob.
•
Tone Control: Adjust the tone control for desired level of
bass/treble response.
• Filter Control: Adjusts the amount of active DSP filtering.
Clockwise increases filtering. A recommended setting
is at the 10 - 12 o’clock position for typical HF channel
conditions. When fully counter-clockwise no filtering is done
and music may be listened to.
•
Clip LED: Red on indicates the incoming audio level is
too high. Reduce the input just below flashing. Clipping
disrupts the noise reduction circuit.
Center switches: The left switch controls the left output channel.
The right switch controls the right output channel. When a
switch is up, that output channel is connected to the left audio.
When a switch is down, the right audio is selected.
Noise Reduction Performance
The noise reduction is dynamic and adaptive. It senses the
random character of the voice or CW and permits it to pass
through. The repetitive nature of the noise is sensed and reduced
according to the specialized algorithms. Note the DSP battling
