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ALLEN & HEATH CQ-20B User Manual

ALLEN & HEATH CQ-20B
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130
User Guide V1.1.0 Issue 1
13. Resets
CQ-12T and CQ-18T Factory Reset
1. Start with the power off.
2. Hold ‘HOME and Soft Key ‘1 whilst powering on the unit.
3. Continue to hold until the unit has fully booted.
A Factory reset will clear all stored data including Scenes and Libraries and reset all
preferences and network settings to their default values. Before carrying out a
factory reset, it is best practice to store a Show which can be recalled again later if
needed.
CQ-20B Factory and Network Only Resets
1. Power on the unit and allow to boot.
2. If the network connection has already been set up and the system boots
normally, the ‘CM’ LED will illuminate GREEN
by default, or behave as it has
been set to in the system preferences.
If the CM’ LED flashes BLUE
or YELLOW
then the CQ has already been
reset and a network reset is not needed.
3. Use a small, pointed but not sharp object (e.g. a pencil) to press and hold the
RESET’ button, the CMLED will illuminate WHITE
, hold the button down
for 2 seconds and release to access the reset menu.
4. Press the button momentarily (for less than 2 seconds) to cycle through 3
reset options:
a. CM’ LED lights RED
= Factory reset
All mixer parameters will be set to default values.
All data stored on the CQ (including scenes and libraries) will be deleted.
Wi-Fi and Ethernet network settings will be set to default values and method
of connection must be re-selected.
b. CM’ LED lights BLUE
= Wi-Fi reset
Wi-Fi settings set to default values and WiFi connection is active.
c. CM’ LED lights YELLOW
= Ethernet reset
Ethernet settings set to default values and Ethernet connection is active.
5. With the ‘CM’ LED showing the colour matching the reset to be performed,
press and hold the RESET’ button for 2 seconds to action the reset.
To exit the reset menu, do not interact with the ‘RESET’ button for 10 seconds.

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ALLEN & HEATH CQ-20B Specifications

General IconGeneral
Frequency range20 - 20000 Hz
Channels quantity24 channels
Supported sample rates96 kHz
Digital sound processing- bit
Nominal input level17 dBu
Output impedance75 Ω
Total Harmonic Distortion (THD)0.002 %
Built-in display-
Card reader integratedYes
Compatible memory cardsSD, SDHC
Maximum memory card size32 GB
Bluetooth version4.1
XLR out8
RJ-45 ports quantity1
USB 2.0 ports quantity2
Number of microphone inputs20
Rack capacity19U
USB connector typeUSB Type-A, USB Type-B
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (typical)- W
Weight and Dimensions IconWeight and Dimensions
Depth154 mm
Width372 mm
Height134 mm
Weight2600 g
Package typeBox
Package depth260 mm
Package width450 mm
Package height250 mm
Package weight3300 g

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