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Monitor using headphones and adjust the TRIM potentiometers to achieve the desired relative signal level between
the various channels used.
Metering
The audio meter feature is not available on all models.
First, the meter will need to be calibrated to your camcorder’s settings. Once calibrated, changing camcorder
settings will result in the meter being uncalibrated. Calibration can be performed to correlate with an existing meter
on the camcorder. Calibration can also be setup empirically by speaking a constant level tone into a microphone,
increasing the gain until clipping internal to the camcorder, then backing off the gain to a safe level, then adjusting
the meter to the 0dB reference.
The meter is adjusted by using a small screw with the Meter adjust right and left potentiometers.
Mixing (Pan Switch)
This device is a true channel mixer, providing independent signal routing control for each input channel via the PAN
switches. L routes the input signal for the corresponding channel (1 through 4 for 4 channel mixers) to the left mix
bus. R routes the input signal for the corresponding channel to the right mix bus. C routes the input signal for the
corresponding channel equally to both the left and right mix buses.
High-Pass Filter
The high-pass filter feature is not available on all models.
High-pass filters, also known as low-cut filters, are used to reduce excess low frequency energy from the audio
signal. An instance where this is useful is when low frequency rumble results from wind rushing across the
microphone. The design is to have the -3dB point centered at 180Hz, with a rolloff of -6dB/octave.
To engage the high-pass filter, slide the HPF switch for the corresponding input channel (1, 2, etc) to the On
position.
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