Quest Engineering Q-Matrix 88 User manual

Commercial Series
Q-Matrix 88
Matrix Switcher
User Manual
POWER
ZONE 8ZONE 7ZONE 6ZONE 5ZONE 4ZONE 3ZONE 2ZONE 1 MONITOR
ON
OFF
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
Q-Matrix 88
MATRIX SWITCHER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER

IMPORTANT
The wires in the mains lead are coloured in
accordance with the following code:
Green and Yellow: Earth (E)
Blue: Neutral (N)
Brown: Live (L)
If the colours of the wires in the mains lead
of this device may not correspond with the
coloured markings identifying the terminals in
your plug, proceed as follows:
If a 13 Amp (B.S.1363) plug or any other type
of plug is used, a 5 Amp fuse must be fitted
either into the plug or at the distribution
board.
General Installation
DO NOT run microphone cables near mains,
data, telephone or 70V line cables.
DO NOT run 100V line cable near data,
telephone or other low voltage cables.
DO NOT exceed 90% of the amplifiers output
power when using 70V line (speech only).
DO NOT exceed 70% of the amplifiers
output power when using 70V line (high level
background music).
DO NOT use re-entrant horn loudspeakers
for background music unless the loudspeaker
has been specifically designed for this
purpose.
AVOID jointing the microphone cable,
when this is unavoidable make sure a good
screened connector is used, e.g. Phono.
ALWAYS use an unbalanced or floating low
impedance microphone that terminates into
an unbalanced input on long microphone
cable runs.
ALWAYS use a balanced source with a low
impedance microphone that terminates into
a balanced input for long line level mic/line
cable runs.
ALWAYS use a mains grade double insulated
cable for loudspeaker cable runs.
ENSURE that all loudspeakers are in-phase.
ENSURE that there are no short circuits on
the loudspeaker line before connecting it to
the amplifier.
WARNING
THIS APPLIANCE MUST BE EARTHED

Introduction ..................................4
Front Panel Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Rear Panel Layout .............................7
Remote Wall Panels ............................12
RS 485 Communication Protocol..................13
Specifications ................................14
ConnectionDiagram ...........................15
QTRPS Paging Console & QTEPS Extension Panels . . . 16
QTVCS Remote Source Select/Volume Control . . . . . . 23
Contents

Q-Matrix 88
User Manual
User Manual Q-Tech Commercial Series Q-Matrix 88
2
WARNING
When the Unit is in Use
Should the following irregularity be found•
during use, immediately switch off the
power, disconnect the power supply
plug from the AC outlet and contact
your nearest Quest dealer. Make no
further attempt to operate the unit in this
condition as this may cause fire or electric
shock. Conditions where use should
immediately cease include the following:
If you detect smoke or a strong smell•
coming from the unit
If water or any metallic object gets into•
the unit
If the unit falls, or the unit case breaks•
If the power supply cord is damaged•
(exposure of the core, disconnection,
etc.)
If it is malfunctioning (no tone sounds.)•
To prevent a fire or electric shock, never•
open or remove the unit case as there are
high voltage components inside the unit.
Refer all servicing to your nearest Quest
dealer.
Do not place cups, bowls, or other•
containers of liquid or metallic objects
on top of the unit. If they accidentally
spill into the unit, this may cause a fire or
electric shock.
Do not insert/drop metallic objects or•
flammable materials into the ventilation
slots of the unit’s cover as this may result
in fire or electric shock.
When Installing the Unit
Do not expose the unit to rain or an•
environment where it may be exposed to
water or other liquids as doing so may
result in fire or electric shock.
Use the unit only with the voltage•
specified on the unit. Using a voltage
higher than that which is specified may
result in fire or electric shock.
Do not cut, kink, otherwise damage or•
modify the power supply cord. In addition,
avoid using the power cord in close
proximity to heaters, and never place
heavy objects -- including the unit itself --
on the power cord as doing so may result
in fire or electric shock.
Be sure to replace the unit’s terminal•
cover once the unit has been configured.
Because high voltage is applied to the
speaker terminals, never touch these
terminals to avoid electric shock.
Be sure to ground the unit to the safety•
ground (earth) terminal to avoid electric
shock. Never ground the unit to a gas pipe
as a catastrophic disaster may result.
Avoid installing or mounting the unit in•
unstable locations, such as on a rickety
table or a slanted surface. Doing so may
result in the unit falling, causing personal
injury and/or property damage.

Q-Matrix 88
User Manual
User Manual
Q-Tech Commercial Series Q-Matrix 88
3
CAUTION
When Installing the Unit
Never plug in or remove the power supply•
plug with wet hands, as doing so may
cause electric shock.
When unplugging the power supply cord,•
be sure to grasp the power supply plug;
never pull on the cord itself. Operating the
unit with a damaged power supply cord
may cause a fire or electric shock.
When moving the unit, be sure to remove•
its power supply cord from the wall
outlet. Moving the unit with the power
cord connected to the outlet may cause
damage to the power cord, resulting in
fire or electric shock. When removing the
power cord, be sure to hold its plug to
pull.
Do not block the ventilation slots in the•
unit’s cover. Doing so may cause heat to
build up inside the unit and result in fire.
Avoid installing the unit in humid or dusty•
locations, in locations exposed to direct
sunlight, near heaters, or in locations
generating sooty smoke or steam as doing
otherwise may result in fire or electric
shock.
When the Unit is in Use
Do not place heavy objects on the unit as•
this may cause a fall or break the unit and\
or additional objects which may result in
personal injury and\or property damage.
Make sure that the volume control is set•
to the minimum position before power is
switched on. Loud noise produced at high
volume when power is switched on can
impair hearing.
Do not operate the unit for extended•
periods of time with the sound distorting.
This is an indication of a malfunction,
which in turn can cause heat to generate
and result in a fire.
Contact your dealer in regards to how to•
correctly clean the unit. If dust is allowed
to accumulate in the unit over a long
period of time, a fire or damage to the unit
may result.
If dust accumulates on the power supply•
plug or in the wall AC outlet, a fire may
result. The power supply plug cleaned
periodically with a dry cloth. Also ensure
that the power supply plug is always
securely inserted into the wall.
Switch off the power, and unplug the•
power supply plug from the AC outlet for
safety purposes when cleaning or leaving
the unit unused for 10 days or more. Doing
otherwise may cause a fire or electric
shock.

Q-Matrix 88
User Manual
User Manual Q-Tech Commercial Series Q-Matrix 88
4
Introduction
Congratulations on your purchase of a new Q-Tech Commercial series Q Matrix 88 Matrix Switcher.
As with all Quest Engineering devices, Quest Engineering products are engineered and built to a
standard that will satisfy the most demanding users and environments of commercial installation
audio.
For your safety and the continued reliability of your Quest Matrix Switcher, please read all the safety
instructions, amplifiers functions and installation procedures section before installing and operating
the Q Matrix 88. Quest Engineering has paid great attention to detail in order to maintain strict
quality assurance standards of all it’s Q-Tech Series products.
If your audio installation is completed with the same attention to detail, your Matrix Mixer will
deliver the its best possible results for many years to come.
Unpacking
Please inspect the product carefully immediately after unpacking. If you find any damage, notify
your supplier/dealer immediately. Only the shipper may file a damage claim with the carrier for
damage incurred during shipping.
Front Panel Layout
1 9
13 1614 15
3 5 8
12
210 114 6 7
POWER
ZONE 8ZONE 7ZONE 6ZONE 5ZONE 4ZONE 3ZONE 2ZONE 1 MONITOR
ON
OFF
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
Q-Matrix 88
MATRIX SWITCHER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
1 Select Source 9 Monitor Zone Select
2 Zone LED Display 10 Monitor Zone LED Display
3 Page Busy 11 Monitor Zone Output Level
4 MIC Priority Indicator 12 Monitor Volume
5 MIC Priority Button 13 ESC
6 Music Volume 14 ENTER
7 Master Volume 15 BGM ALL
8 MIC Volume 16 Page All

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Q-Tech Commercial Series Q-Matrix 88
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1. Source Select
The source select button (1) is used to select
the source for the zone. Each zone has a
separate source selection button. There are 9
selectable sources: Line sources 1 through 8
and a local Microphone source.
A different local source (remote in wall mixer
or source select/volume control) can be
connected to each zone. A zone cannot
select the local source connected to another
zone.
Pressing the source select button will cycle
through all zones in sequence: 1, 2, 3, 4, 5, 6,
7, 8, L, and OF.
To select a required source, press the source
select button (1). Once the display shows the
desired source, press the ENTER (14) button
to confirm and the change to the selected
source.
Note: The source will only change after
the ENTER (14) button is pressed. If the
ENTER (14) button is not pressed, the source
selection will return to previous setting after
10 seconds.
When the system is used in conjunction with
remote control panels, the zone source select
button will be disabled when a remote control
panel is connected to a zone. In this instance,
the source selection can only be controlled
via the remote control panel (QT VCS or QT
1WML)
In the event power is lost, the last source
selection settings are automatically saved and
the unit will return to its previously configured
source selections when powered back on.
2. Zone LED Display
The Single Digit Zone LED Display will display
the selected source number: lines 1-8 and
local input shown as L.
3. Page Busy
The Zone Page Busy indicator LED (3)
will illuminate amber to indicate a paging
microphone is paging to this zone.
4. MIC1 Priority Indicator
The MIC1 Priority Indicator LED (4) will
illuminate blue indicating the Zone MIC1
priority paging function is enabled.
5. MIC1 Priority Button
The MIC1 Priority button (5) will enable/
disable the MIC1 priority paging function.
When enabled, MIC1 will override zones 1-8
and all local inputs, if a signal is present on
the MIC1 input. When disabled, MIC1 will
mix with lines 1-8 and local inputs if required.
This Microphone input has been designed
to give global priority over all other inputs if
enabled via the front panel.
The MIC1 priority setting is not saved when
the Q Matrix 88 is switched off, and will return
to its default state on powered back on. The
default state of the MIC1 Priority is disabled.
6. Music Volume
The Music Volume control knob (6) controls
the selected source (zones 1-8 and local
input) input level. If the system is used with
Remote Control Panels, the Music Volume
knob will be disabled for zones where a
remote control panel is connected. Source
Music Volume level will be controlled at the
remote control panel only.
7. Master Volume
The Master Volume control knob (7) will
control the combined MIC1 and Source
Output Volume Level, if the MIC1 input has
been enabled for a zone. The Master Volume
control knob will not control the Paging
Console Public Address Volume Level, or
the Line 8 Source Input Volume Level when
the Line 8 Source Input Priority Function is
enabled. This function has been designed as
a global BGM input if required.
8. MIC1 Volume
The MIC1 Volume control knob (8) will control
the MIC1 input level if this global mic has
been configured to operate within the zone.

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User Manual Q-Tech Commercial Series Q-Matrix 88
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9. Monitor ZONE SELECT
The ZONE SELECT button (9) is used to select
one of the 8 zones to be monitored. Pressing
the zone select button will cycle through all
zones in sequence as follows: 1, 2, 3, 4, 5, 6,
7, 8, and OFF.
A zone can be selected pressing the ZONE
SELECT button. Once the display shows
the desired zone, press the ENTER button to
confirm and change to the selected zone.
Note: The zone will only change after the
ENTER button is pressed, otherwise the
source selection will be returned to its
previous setting after 10 seconds.
The monitor zone function enables the audio
output from a zone to be monitored through
a small speaker on the front panel. This is
particularly useful when controlling the audio
in a remote zone or testing the system.
10. Monitor Zone LED Display
The Single Digit Monitor Zone LED Display
(10) will display the selected zone numbers,
1-8.
11. Monitor Zone Output Level
The 5 LED Monitor Zone Output Level Meter
(11) will provide visual indication of the audio
signal level for a selected zone.
12. Monitor Volume
The Monitor Volume control knob (12) will
control the in-built Monitor Speaker volume
level.
13. ESC
The ESC button (13) is used to cancel the
selection of source select, monitor zone
select and BGM function buttons.
14. ENTER
The ENTER button (14) is used to confirm
selection of source select, monitor zone
select and BGM function buttons.
15. BGM ALL
The BGM ALL button (15) is used to select the
same source for all 8 zones simultaneously.
To confirm the BGM ALL selection, press
ENTER.
Note: The BGM ALL selection will only be
confirmed after the ENTER button is pressed,
otherwise the source selection will be return
to previous setting after 10 seconds.
In the event power is lost, the BGM ALL
selection settings will be saved and the unit
will return to the previous BGM ALL setting
when powered back on.

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User Manual
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Q-Tech Commercial Series Q-Matrix 88
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1. Dip Switches
Dip switches set the Matrix system address.
If the system is to be expanded, each Q
Matrix unit must be defined as Master, Slave
1, 2 or 3.
If you are expanding the system, only line
inputs 1-8, MIC1 and 2 x Remote Paging
Consoles of the Master Matrix are enabled.
All Slave Matrix units connected to the Master
will use the Master Matrix inputs.
For the avoidance of doubt, if a Matrix unit is
configured as a slave, the slave Matrix Inputs
1 – 8, MIC1 and remote paging consoles
inputs will be disabled. However, the optional
wall plates (QTVCS and QT1WML) can be
used to operate these additional zones.
Dip switch settings are as follows for
configuring the Q Matrix 88 as a Master or
Slave:
Rear Panel Layout
Quest Engineering have designed the Q Matrix 88 to provide maximum flexibility in terms of
supporting several types of inputs which may be required in an installation.
The Q Matrix 88 features a bank of 8 line level inputs, a mixture of 4 phono inputs and four
additional inputs which are configurable as either mic or line with phantom power available.
1 Dip Switches 9 LF Bass 17 Line Inputs
2 EVAC / Fire System Interface 10 Output 18 Paging Console Inputs
3 Tone Output 11 Gain 19 Paging MIC Gain
4 EMC Input 12 HF 20 MIC 1 Input
5 Extension Link 13 Enable/Disable Switch 21 MIC 1 Gain
6 Remote Source 14 Remote Source Gain 22 MIC 1 Bass
7 Remote Control Input 15 Fire Alarm 23 MIC 1 HF
8 Page 16 Line Gain
23 106 14
7
5
4811 12
913
1
15 18 19 20 21 22
24
16 17
Master Matrix Extension Matrix 1
Extension Matrix 3
Extension Matrix 2

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User Manual Q-Tech Commercial Series Q-Matrix 88
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2. EVAC / Fire System Interface
(7 Way Pheonix Connector)
PIN 1 - [+24V DC 24V] Power supply input.
(Battery Back Up or UPS)
PIN 2 - [GROUND DC 24V] Power supply
input. (Battery Back Up or UPS)
PIN3 - [COMMON], Which is Common for
ALERT & EVAC
PIN 4 - [ALERT DRY CONTACT] The built-in
alert voice message will be broadcast to all 8
zones after triggered by dry contact between
ALERT and COMMON.
PIN 5 - [EVAC DRY CONTACT] The built-in
EVAC voice message will be broadcasted
to all 8 zones after being triggered by dry
contact between EVAC and COMMON.
PIN 6 - [EMC IN] An optional external voice
alarm message may be broadcasted to all 8
zones of the system, when an alarm signal
is detected from an external voice message
generator.
Fire alarm, alert, EVAC and EMC in are of
equivalent priority
3. Tone Output
The Tone Output Volume Control will adjust
the output level of the FIRE ALARM, ALERT,
EVAC voice messaging.
4. EMC Input
The EMC INPUT Volume control will adjust
the output level of the EMC voice messaging.
Fire alarm, ALERT, EVAC and EMC in are of
equivalent priority
5. Extension Link (DB37 Connector)
The extension link connectors enable 8 zone
Matrix units to be connected together to form
a larger system. Up to four 8 Zone Matrix
units can be connected to make a 32 zone
system.
The Matrix can be linked with a DB37 Cable.
This will enable the Line 1 – 8 Sources,
MIC1 Input, Paging Consoles 1 & 2, and
Communication Data of the master unit to be
shared with any Slave Matrix Units connected
to the system.
6. Remote Source
Each zone can have
a remote line level
source connected. The
remote source input
connector is shown
here.
This has been
designed to be used if you don’t wish to use a
local in wall mixer. This could be for example,
a Radio MIC.
On selecting this input via the front panel
controls, select “L”. Please note that this
input cannot be distributed to other zones.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
LINE 1+
LINE 1-
LINE 2+
LINE 2-
LINE 3+
LINE 3-
LINE 4+
LINE 4-
LINE 5+
LINE 5-
LINE 6+
LINE 6-
LINE 7+
LINE 7-
LINE 8+
LINE 8-
MIC +
MIC -
PAGE 1+
PAGE 1-
PAGE 2+
PAGE 2-
PAGE 3+
PAGE 3-
PAGE 4+
PAGE 4-
GND
B
A
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
DB37 DB37

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User Manual
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Q-Tech Commercial Series Q-Matrix 88
9
Local zone source level has three
adjustments, namely:
Gain control for the local source Input ona.
the rear of the Matrix
A Music level control on the Matrix frontb.
panel or the remote wall control
A Master level control on the Matrix frontc.
panel.
Please Note: The input signal is set at
300mV-1.1v/10K Ohm
7. Remote Control Panel Input
Each of the eight zones can have a remote
control panel connected. The Remote control
Panel will enable the source and volume to be
controlled from a remote location. Each zone
has its own RJ45 input connector allowing for
a Remote Control Panel to be connected for
control over each zone.
Local Source Connections are as follows:
A remote wall panel can be connected1.
to the Matrix, with only one remote wall
controller able to be connected per
zone.
The remote wall panel will be selectable2.
on the system. Therefore, selectable
sources will be L (local) as well as
source line1 to 8.
The RJ45 pin assignment
is as follows:
RS485 B1.
RS485 A2.
GND3.
24V (OUT)4.
GND5.
+ 24V (OUT)6.
SPARE7.
SPAR8.
8. Page
The Zone Page Output Volume Control will
adjust the output paging level for the Zone.
Every Zone has a Page Output Volume
Control which enables the paging level of
each zone to be set independently of other
zones.
9. LF Bass
The Zone LF Bass
of the Zone Output
can be controlled
by adjusting the LF
Bass Level Control.
This Level Control
will provide adjustment of the 100Hz Audio
Frequency by ±10dB.
Every Zone has a LF Bass Level Control which
enables the LF Bass Level of each zone to be
set independently of other zones.
10. Output
Every Zone has an
AUDIO OUTPUT
connector; this should
be connected to the
Audio Amplifier for
the designated Audio
Zone.
Zone Audio Output Connections are as
labeled.
11. Gain
The Zone Gain control
will set the maximum
Source Output Volume
Level for the Zone.
This will ensure the
user cannot adjust the Audio Level too high
using the Master, MIC1 and Music Level
Control Knobs on the Front Panel. Gain will
set the Maximum Output Volume of Line
Source and MIC1. It will have no control over
the Paging Level.
1 2 3 4 5 6 7 8

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User Manual Q-Tech Commercial Series Q-Matrix 88
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The EMC Input will only take priority and
broadcast to zones where there is a Zone Fire
Alarm Dry Contact Closure. Each zone has a
separate Fire Alarm Dry Contact.
Fire alarm, alert, EVAC and EMC in are of
equivalent priority.
16. Line Gain
The System Line Source Input Signal Levels
can be adjusted from 190mV to 200mV using
the Line Source Input Gain control. This will
enable the signal level of all sources to be
equalized thereby ensuring Output Volume
Level remains constant when switching from
one source to another source.
All system source inputs L(lines 1-8) have a
separate Gain Control.
17. Line Inputs
The system has 4 Line Inputs, as well as 4
inputs selectable as mic or line with phantom
power available.
Every Line Source Input has a dual RCA
Phono Connector, which will enable a
Stereo Source Signal to be connected. Note,
however, this is a Mono system and a Stereo
Input will be combined to give a Mono Output.
12. HF
The Zone HF Treble of
the Zone Output can be
controlled by adjusting
the HF Treble Level
Control. This Level
Control will provide
adjustment of the 100Hz Audio Frequency
by ±10dB. Every Zone has a HF Treble Level
Control which enables the HF Treble Level of
each zone to be set independently of other
zones.
13. Enable/Disable Switch
If a Zone Remote Wall
Control Panel is to be
used with the System,
The RJ45 Remote
Control Panel Input
needs to be enabled. The
RJ45 Remote Control
Panel Input is enabled
/ disabled by pressing the Enable / Disable
Switch. Every Zone has an RJ45 Remote
Control Panel Input Enable / Disable Switch.
NOTE: Only Enable when a Zone Remote Wall
Control Panel is connected.
14. Remote Source Gain
The Zone Local Source
Input Signal Level can be
adjusted from 190mV to
200mV using the Remote
Source Gain control. This
will enable the signal
level of all sources to
be equalized thereby
ensuring Output Volume Level remains
constant when switching from one source to
another source. Every Zone Remote Source
Input has a Gain Control.
15. Fire Alarm
There are Fire Alarm dry contacts for zones
1-8. When Dry Contact is detected the EMC
Input will be open and take priority over all
other inputs.

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The Line Inputs have an impedance of 47k
ohms.
Line 1-8 source inputs will be selectable1.
using the Source Select control on the
front of the Matrix. 2)
The selected source input number will2.
be indicated on the Matrix zone display.
Any extension Matrix unit connected to3.
the system will use sources line 1-8 from
the master Matrix.
Only one set of input sources for lines 14.
-8 can will be connected per system.
18. Paging Console Inputs
Up to two paging
consoles can be
connected to the system
simultaneously via the
two paging console RJ45
input ports.
The paging consoles will
have equal priority and
will operate on a first
come first served basis.
The RJ45 pin assignment
order is as below:
RS485 B1.
RS485 A2.
GND3.
+ 24V (OUT)4.
GND5.
+ 24V (OUT)6.
MIC IN +7.
MIC IN –8.
19. Paging MIC Gain
The Paging MIC Gain control will adjust the
Paging MIC Input Signal Level. Each Paging
MIC will have its own gain control. Thereby
each Paging MIC can be set independently of
the other Paging MICs.
1 2 3 4 5 6 7 8
20. MIC1 Input
The balanced MIC1 input XLR type has an
impedance of 600ohms. Each zone has a
MIC1 Priority Button.
Each zone has a MIC1 priority button.
When the MIC1 priority button is not enabled,
MIC1 will be mixed with the line inputs on
each zone (1-8 or L).
When the MIC1 priority button is enabled,
MIC1 will take priority over all line inputs (1 - 8
or L) as well the wall control panel for that
zone.
MIC1 will have priority only on Zones where
the MIC1 Priority Switch is enabled on the
front panel. Zones where the MIC1 priority
switch is not enabled, MIC1 will mix with the
Source Selected for the Zone.
The MIC1 level will be controlled by the MIC1
Level Adjustment Knob and the Master Level
Adjustment Knob.
The MIC1 signal will be sent to any extension
Matrix connected to the system.
21. MIC1 Gain
The MIC1 Gain controls the MIC1 range from
5mV to 300mV.
22. MIC1 Bass
The MIC1 Bass controls the MIC1 gain at
100hz (±10dB).

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User Manual Q-Tech Commercial Series Q-Matrix 88
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Remote Wall Panels
Up to 8 x Remote wall panels can be•
connected to a single Q Matrix 88 unit
(with only one per zone).
There are 2 types of remote wall control•
panel available: QTVCS - which includes
source select/Volume Control and the
QTIWML - which has both MIC and Line
inputs.
The QT1WML enables the source selection•
for a zone, zone source level control of
the Q Matrix 88, connection of a local line
source, connection of a local microphone
and the mixing of the local line source
with the local mic source. The output of
the QT1WML connects to the Zone Local
Input of the Q Matrix 88.
The QTVCS enables source selection for a•
zone, and zone source level control of the
Q Matrix 88.
86mm
146mm
86mm
146mm
When a Remote Wall Control Panel is•
connected to a Zone Remote Control
Input and the input is enabled on the rear
of the Matrix, the Matrix zone front panel
music level and source select functions
will be disabled.
The Remote Wall Control Panel will have•
control over source select and music level.
MIC1 level and Master level controls will•
remain enabled on the Matrix Front Panel
at all times. When a remote wall control
panel is connected but disabled on the
rear of the Matrix, the Matrix music level
and source select will be enabled.
MIC1 and master volume will be always•
effective .
Please note that optional black wall plates are
available if required.

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User Manual
User Manual
Q-Tech Commercial Series Q-Matrix 88
13
RS 485 Communication Protocol
Baud Rate: 57600bps/S
Parity Check: Odd parity check
Data: 16 bytes
Accumulation = 2nd data byte +
3rd data byte + 4th data byte
Q Matrix 88 Inquiry Data
The Q Matrix 88 sends inquiry data to 2
remote paging consoles, 8 remote wall panels
and extension Matrix. The new data will
feedback to the Matrix when any new data
has been checked. Any extension Q Matrix
88 will only enquire to its own 8 remote wall
panels only.
Inquiry Data To Paging Console
The Q Matrix 88 sends the inquiry data to
remote paging consoles in the following
format:
AA 10 00 00 AM (accumulation)
AA: data head
10: inquiry to the paging console
00: meaningless
AM: (accumulation = 2nd data byte
+ 3rd data byte + 4th data byte)
Feedback Data From Paging
Console
The feedback data from the remote paging
console to the Matrix after got inquiry and
ready for paging format as:
AA 11 Matrix address code zone data AM
AA: data head
11: zone paging command
Matrix address code:
01 : master matrix,
02 : extension matrix 1
03 : extension matrix 2
04 : extension matrix
3 zone data: the zone data is in 8 bytes
0 : no paging
1 : paging, ie: binary system
00000011B : zone1 and zone 2 paging
00000100B : zone 3 paging
11111111B : all 8 zone paging
AM: (accumulation = 2nd data byte
+ 3rd data byte + 4th data byte)
Status Data To Paging Console
After getting paging data from the remote
paging console, the Matrix sends zone status
data to the paging console in the following
format:
AA 1E Matrix address code zone data AM
AA: data head
1E: Zone status feedback to paging console
Matrix address code:
01: master matrix
02: extension matrix 1
03: extension matrix 2
04: extension matrix
3 zone data: the zone data is in 8 bytes,
0: no paging
1:paging, ie: binary system
00000011B:zone1 and zone 2 busy
0000100B: zone 3 busy,
11111111B: all 8 zone busy
AM: (accumulation = 2nd data byte
+ 3rd data byte + 4th data byte)
Inquiry Data To Remote Wall
Plate
If the zone is not controlled by a remote wall
plate, the inquiry data will not be sent to this
zone.
The inquiry command which is from the Matrix
to the remote wall plate is both inquiry and
status data to update the wall plate status, ie:
source input, zone volume.
The inquiry data format is:
AA 20 line input volume AM
AA: data head
20: inquiry to wall plate
line input: source input
01 : line 1
02 : line 2
..........
08 : line 8
09 : remote sources input
volume: volume level
00 : 0 level
01 : 1 level
AM: (accumulation = 2nd data byte
+ 3rd data byte + 4th data byte)

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Feedback Data From The Wall
Plate
The feedback data from the wall plate to the
Matrix delivered in the following format:
AA 21 line input volume AM
AA: data head
21: feedback data from wall plate
to Matrix line input: source input
01 : line 1
02 : line 2
..........
08 : line 8
09 : remote sources input
volume: volume level
00 : 0 level
01 : 1 level
AM: (accumulation= 2nd data byte
+ 3rd data byte + 4th data byte)
Inquiry Data To Extension
Matrix
The Matrix inquiry data to the extension
Matrix format as:
AA 30 00 00 AM
Specifications
Deviation Conditions Parameters Deviation
AC Power Supply Voltage selector between 115V & 230V AC 115V/AC 230V; 50Hz/60Hz 10%
DC Power Supply +24V ±4V
Line Input Sensitivity Clockwise rotation gain to increase 195mV-2.0V
Line Input Impedance 􀀼􀀼 􀀼􀀼47KΩ
Local Input Sensitivity Balanced input 500mV
Local Gain ±8dB
MIC1 Sensitivity Clockwise rotation gain to increase
MIC1 Impedance 􀀼􀀼􀀼􀀼600􀀼􀀼􀀼􀀼Ω
MIC Level Control Input 100Hz sine wave signal ±8dB
Paging Console Sensitivity Input 1KHz sine wave signal & output 0.775V 500mV
Paging Console Gain Control ±8dB
Zone Output Balanced output 0.775V
Zone Gain Control ±8dB
Zone Output Level Control Input 100Hz sine wave signal ±10dB
S/N Ratio Non-weighting <60dB
Isolation Degree >40dB
Channel Crosstalk >50dB
Gain Deviation 20Hz-20KHz <2dB
T.H.D 20Hz-20KHz <0.07%
Channel Phase Position 20Hz-20KHz Same phase
Frequency Response Line1-8 inputs and remote source input,
20Hz-20KHz +1/-3dB
Frequency Response MIC1 input, 80Hz-18KHz +1/-3dB

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Connection Diagram
POWER
ZONE 8ZONE 7ZONE 6ZONE 5ZONE 4ZONE 3ZONE 2ZONE 1 MONITOR
ON
OFF
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
Q-Matrix 88
MATRIX SWITCHER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
Line 1-8 Inputs
MIC Input 1
LinkLinkLink
1-8 Zone
Speaker Outputs
9-16 Zone
Speaker Outputs
17-24 Zone
Speaker Outputs
25-32 Zone
Speaker Outputs
8 Remote Control Panels
Master Matrix
Extension Matrix 1
Extension Matrix 2
Extension Matrix 3
POWER
ZONE 8ZONE 7ZONE 6ZONE 5ZONE 4ZONE 3ZONE 2ZONE 1 MONITOR
ON
OFF
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
Q-Matrix 88
MATRIX SWITCHER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
8 Remote Control Panels
POWER
ZONE 8ZONE 7ZONE 6ZONE 5ZONE 4ZONE 3ZONE 2ZONE 1 MONITOR
ON
OFF
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
Q-Matrix 88
MATRIX SWITCHER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
8 Remote Control Panels
POWER
ZONE 8ZONE 7ZONE 6ZONE 5ZONE 4ZONE 3ZONE 2ZONE 1 MONITOR
ON
OFF
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
Q-Matrix 88
MATRIX SWITCHER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
MIC 1
MUSIC
MASTER
8 Remote Control Panels
Paging MIC 1
Paging MIC 2

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QTRPS Paging Console & QTEPS Extension Panels
The remote paging console can work together with the Matrix to set up a 32 zone paging system.
Each Matrix can accommodate 2 remote paging consoles which may be identified by dipswitch
settings. Each remote paging console is designed for an eight zone paging capacity, while an
extension keypad may be added where more than 8 zones (and up to 32 zones of paging) is
required. A maximum of 3 extension keypads may also be added.
The communication between the Matrix 88 and the remote paging console is achieved via industry
standard CAT5 cable which is also used to provide the DC24V power to the paging console when
the communication distance is < 50 meters.
For distances of more than 50 meters, communication requires the addition of a DC24V power
supply to the paging console through the power input on the rear of the remote paging console.
2 or 4 tone selectable pre-announce chimes are built-in for use before announcements. A no chime
option is also available by turning the option OFF.
Front Panel
109 12 13 14
11
1
6
7
8
5
2 3 4

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1 Master Remote Paging Console
2 Extension Keypad 1
3 Extension Keypad 2
4 Extension Keypad 3
5 Gooseneck Microphone
6 Power Indicator
The LED indicator light will appear blue when the
power switch is in the on position. The light will
turn off when the power switch is placed at off
position.
7 Output Level Meter
A 5 position LED output level meter displays the
output level status, (green, green, green, amber,
red)
8 Talk Indicator
The LED will turn blue when the talk button is
pushed, and will turn off when talk button is
released.
9 Talk Button
After selecting a zone, an announcement can be
made when the talk button is pressed and the
indicator is illuminated. Without zone selection,
an announcement cannot be made, even when
the talk button is pushed. In this instance, the
indicator light will flash and turn off.
10 All Call Button
The All Call Button can be selected when all
zones are to be selected. If more than one
console is being used, priority operates on this
is on a “first in first served” basis. The All Call
indicator will be turned off when the All Call
button is pushed and the other paging consoles
are in use.
The busy indicator will turn amber and flash if the
other console is paging into any particular zone.
In this case, it may be possible to page zones
that are not showing up as busy.
11 All Call Indicator
The LED will be show blue when the All Call
button is pushed, which will turn off when the All
Call button is released.
12 Zone Label
13 Zone Indicator
Dual colour indicator LEDs are used to display
the zone status. The indicator will be blue under
paging status and amber under busy status.
14 Zone Select Button
Push the zone select button to page a zone. After
the button is selected, the zone indicator will
slowly flash if the com ports are busy and change
to amber.
Communication is only available if the blue LED
shows

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18
15 Power Switch
The paging console is powered from the
Matrix through CAT5 cable as long as the
communication distance is < 50 meters
16 DC 24V Power Input
An additional DC24V power supply is required if
the distance from the paging console and Matrix
is greater than 50m
17 Communication Port
The communication port is an RJ45 Socket to
the Matrix which uses standard Cat 5 cable
18 MIC Volume Control
This control is used to adjust the microphone
output volume. Clockwise adjustment increases
the level.
19 Chime Volume Control
This is used to adjust the chime volume.
Clockwise adjustment increases the level
20 Chime Selector
This selector has three options for the
pre-announce chime: 2 tone, 4 tones and OFF
Rear Panel
on
o
POWER
24VDC CCM
MIC VOL CHIME VOL
CHIME
SELECT
2TOME
4TOME
OFF
15 16 17 18 19 20