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Keyboard Controls - Audio
Audio Mixer and Faders
These CH1, CH2, RCA and MASTER Audio sliders/faders control the
audio output mix and level.
Master
Slider/Fader controls the audio level for the Main audio output mix.
CH1 / CH2 / RCA
These Sliders/Faders correspond to the rear inputs and control the relative volume of each input in the master
output as well as the master output level. They are called faders because they are used to decrease (rather than
increase) the signal levels to make a balanced and pleasing audio mix.
When these faders are set at Unity (0dB), they pass the audio signal through at the same level it was at when it
entered this bus. This is why setting the level at the Input Bus is so important. See previous page Line and Mic
switch and the Audio mixer menu section on the following page.
SAFETY FIRST: Always connect any audio connections with the equipment powered off and set the audio mixer
faders or any headset volume knobs to minimum. Then turn on the equipment before slowly raising the audio
faders or headset volume to a desired comfortable level.
Audio Peak Meter
These LED style peak meters show the audio signal strength at
either the audio input bus or the mixed audio "Master" output.
The signal they measure is set by the Audio Monitor Button and
the levels set at the Faders.
Audio Monitor Button
Use the Headphone output on the front edge of the HS-600 keyboard to accurately monitor any of the sources
CH1, CH2, RCA or "Master" output. Repeated presses of the Audio Monitor button cycle an LED through the
monitoring choices just above the Audio Peak Meter. In many cases, headphones will be a more useful and
accurate choice than speakers for audio monitoring. See Headphone Volume Control also.
A+V Button
When this button is engaged the audio associated with a selected video input source is fed to the program and
audio outputs. When the button is inactive, audio must be switched or selected manually. For more information,
read the section A+V on the page 33.
Headphone Volume Control
This controls audio volume level presented at the case speakers, headphone or headset sockets.
In many cases, headphones will be a more useful and accurate choice than speakers for audio
monitoring. When connecting headphones or headset the case speakers are muted.
SAFETY FIRST: Always connect any audio connections with the equipment powered off and set
the audio mixer faders or any headset volume knobs to minimum. Then turn on the equipment before slowly
raising the audio faders or headset volume to a desired comfortable level.
Audio selection for Headphone and Headset sockets
Headphone audio can be selected by using the LCD, INTERCOM and MIXER buttons. The
button selected will supply the matching audio to the connected Headphones.
LCD - relates to any audio fed through the LCD panel, for example the HDMI monitor input.
INTERCOM - relates to ITC-50 communication channel for audio monitoring only.
MIXER - relates to the audio mixer monitor output as selected by the Audio Monitor Button.
These buttons have the same effect over the audio heard at the 3.5mm Headset socket.
33
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