Mackie ProDX4 Owner's Manual - Prodx: Front Panel Features
Pr
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ProDX4 • ProDX8 Wireless Digital Mixers
9. Control Bridge
The Control Bridge simply acts as a holster
for your smart phone or (relatively small-sized)
tablet. Place your device here for a hands-free, quick
view of MixerConnect (as seen on the front cover).
10. Meters
This 15-segment LED display shows the output
meter and channel levels in conjunction with
the ProDX buttons and level control. These LEDs
illuminate white when changing the level of the
currently selected input or output and illuminate
green – after five seconds of inactivity – to show
the main output audio metering.
11. Channel Buttons
The ProDX4 has two channel buttons, while
the ProDX8 has six channel buttons. Both models
have an additional stereo input channel / Bluetooth
button. Its functionality is described next [12].
The channel (input) buttons work in conjunction
with the MIX button [15]. After selecting a mix, press
a channel button to select it. It will illuminate white
when selected. Once selected, raise or lower that
channel’s input level – be it the level going to the main
outs, aux outs or FX – using the endless rotary level
knob. The channel level will be shown with white LEDs.
After five seconds of inactivity, the selection changes
back to the default “MAIN”.
A channel button will illuminate red
when that channel’s input signal is too high,
indicating a signal overload. This should
be avoided, as distortion will occur. If you see this
regularly, turn down the input at the source or lower
the output of the mic by singing quieter or moving it
further from the source.
12. Bluetooth / Line In Button
This input works similarly to the previously described
channel buttons. After selecting a mix [15], press
the Bluetooth / Line In button to select it. It will
illuminate white when selected (whether a device
is paired or not). Once selected, raise or lower the
Bluetooth/Line input level – be it the level going
to the main outs, aux outs or FX – using the endless
rotary level knob. The channel level will be shown
with white LEDs. After five seconds of inactivity,
the selection changes back to the default “MAIN”.
Additionally, this button is used to pair a
ProDX with a Bluetooth device. To enter
pairing mode, press and hold the BT / Line In
button. The button LED will illuminate and flash white
while in pairing mode. While ProDX is in pairing mode,
simultaneously scan for Bluetooth devices on your
device. You should see ProDX appear in the “available
devices” list. From there, your device should indicate
that it is successfully connected. If it does not, start the
pairing process again, and make sure that ProDX and
your device are both in pairing mode at the same time.
There are detailed instructions – with screen shots
even! – regarding Bluetooth pairing in the
MixerConnect Reference Guide. Check it out if
you need any extra assistance.
If a smart phone or MP3 player is plugged
into the stereo input, the Bluetooth channel
controls the level for this input.
The device should be put into airplane
mode during the performance so there
are no interruptions!
The Bluetooth may disconnect when affected
by electrostatic discharge (ESD) or electrical
fast transients (EFT). If this occurs, manually
reconnect the Bluetooth connection.
13. Level
This endless rotary knob serves multiple purposes,
as it adjusts the input levels, aux levels, FX levels and
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