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10 Volume Control
10. Volume Control
The rotary encoder control on the front panel is used to set the volume
levels of the speaker, the headphones and the input levels for the various
audio sources.
Speaker & Headphone Volume
The volume control automatically switches from speaker to headphones
when a headphone jack plug is connected. To adjust the volume, turn
the rotary encoder control. The LEDs around the rotary control show the
current level between minimum (muted) and maximum (+12dB gain). There
are 21 LEDs and they are illuminated in a 1, 2, 1, 2 pattern giving 41 discrete
level steps. The LEDs will return to showing the microphone signal level if
no adjustments have been made for 1.5 seconds, or if the rotary control
button is pressed.
Call Channel Volume
The volume levels of the audio from remote units assigned to the call
channel buttons can be individually adjusted to compensate for varying
talk levels. This can be done during a call if required. To adjust the
channel volume, press the rotary encoder control which will then flash to
indicate that volume adjustment mode has been initiated. This mode will
automatically cancel if no further action is taken within 3 seconds. Then
select a channel to adjust by pressing the associated channel button. The
rotary encoder control and the selected channel button will now flash
using the colour assigned to the default function for that channel. The LEDs
around the rotary control show the current level in a similar way to the
speaker and headphone volume. Turn the rotary encoder control to adjust
the volume level. The volume adjustment mode will automatically cancel
if no adjustments have been made for 1.5 seconds, or if the rotary control
button is pressed.
Monitor Volume
The volume level of the audio from the selected monitor source can be
adjusted to compensate for varying levels. This can be done regardless
of whether the monitor is currently active or not. To adjust the monitor
volume, press the rotary encoder control which will then flash to
indicate that volume adjustment mode has been initiated. This mode will
automatically cancel if no further action is taken within 3 seconds. Then
press the monitor button. The rotary encoder control and the monitor
button will now flash green. The LEDs around the rotary control show
the current level in a similar way to the speaker and headphone volume.
Turn the rotary encoder control to adjust the monitor level. The volume
adjustment mode will automatically cancel if no adjustments have been
made for 1.5 seconds, or if the rotary control button is pressed.
Call Signal Volume
The volume level of the call signal routed to the speaker and headphones
can be adjusted to provide a comfortable mix level with other active audio
sources. The call signal volume control automatically switches from speaker
to headphones when a headphone jack plug is connected. To adjust the call
signal volume, press and hold the rotary encoder control until it starts to
flash blue. The LEDs around the rotary control show the current level in a
similar way to the speaker and headphone volume. Turn the rotary encoder
control to adjust the call signal level. The volume adjustment mode will
automatically cancel if no adjustments have been made for 1.5 seconds, or
if the rotary control button is pressed.
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