7. Overdrive Front Panel Switches and Indicators
7.1. (3) Input select toggle switch
Selects between USB, I2S and S/PDIF coax digital inputs. Down position selects
S/PDIF coax, middle position selects I2S and up position selects USB.
7.2. (2) Digital Filter Select toggle switch
Selects between Low, Medium and High frequency roll-offs. High is the down position,
Low is the center position and up is the medium position. It is recommended to use
down position always. The function does not take effect until a new track is started.
7.3. (1) De-emphasis Enable toggle switch
When enabled by switching up, it applies an equalization at the high-frequencies that
eliminates harshness due to high-frequency pre-emphasis in some recordings. Down or
“Normal” position is recommended. The function does not take effect until a new track is
started.
7.4. High/Low Gain switch – left recessed
This selects between high and low gain. Low gain is up position and high gain is down
position. The function only changes on power-up.
7.5. Volume/Line-Out toggle switch – right recessed
This selects between volume control and line-out. Volume control is up position and
Line Out is down position. The function only changes on power-up.
7.6. USB Fault Indicator
USB fault is illuminated when the USB cable is unplugged at either end, or the +5V in
the cable is not present. The 5V cable voltage is not used, except to light the LED.
