This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received,
including interference that may cause undesired operation.
This class A digital apparatus complies with Canadian ICES-003
MIX BUS LINK
OUT
IN
+4dBu
-10dBV
KEY
OUT
IN
+4dBu
-10dBV
KEY
OUT
IN
+4dBu
-10dBV
OUT
IN
+4dBu
-10dBV
IN
OUT
LINE
IN
OUT
LINE
LINE IN
INSERT
SEND/
RTN
1 - 4
INS RTN
EXT
MON
ALT MON
INS SND
MIX
REC
FOL MON
TESTED
DATEINITIALS
(IEC 127)
Model
Serial No.
Solid State Logic
Oxford ¥ England
FUSE risk of fire, u se same type
and rating
250V
250V
Ratings: AC ~ 5 0/60Hz
Volts
Amps
629935X1
XRK001
100-240 0.5-0.2
NONE
Introduction
1.Introduction
Overview
The Solid State Logic X-Rack unit has been developed from the successful range of XLogic outboard equipment
nd provides a flexible solution to those engineers requiring a larger number of processing units in a compact
a
package.
The additional space provided by the X-Rack allows the processing modules to be vertically orientated,
providing a more familiar interface to users of Solid State Logic’s renowned range of mixing consoles, and makes
it possible to include Solid State Logic’s Total Recall system - the first time this has been available on an analogue
outboard unit.
This Manual
The object of this manual is to provide purchasers of the X-Rack unit with information in the following areas:
• Operation of the unit
• Safety considerations
• Installation requirements
• Electrical connections and cabling
• Connector pin-outs
• Specifications and physical dimensions
This manual is applicable to X-Rack units from serial number XRK110 onwards and assumes that the X-Rack unit
is running V1.2/0 or later software. Please refer to Section 4 of this manual for instructions on how to check the
current software version and how to obtain and install a newer version if required.
Warranty
The warranty period for this unit is 12 months from date of purchase.
In Warranty Repairs
In the event of a fault during the warranty period the unit must be returned to your local distributor who will
arrange for it to be shipped to Solid State Logic for repair. All units should be shipped to Solid State Logic in their
original packaging. Solid State Logic cannot be held responsible for any damage caused by shipping units in
other packaging. In such cases Solid State Logic will return the unit in a suitable box, which you will be charged
for. Please do not send manuals, power leads or any other cables – Solid State Logic can not guarantee to return
them to you. Please also note that warranty returns will only be accepted as such if accompanied by a copy of the
receipt or other proof of purchase.
Out of Warranty Repairs
In the event of a fault after the warranty period has expired, return the unit in its original packaging to your local
distributor for shipment to Solid State Logic. You will be charged for the time spent on the repair (at Solid State
Logic's current repair rate) plus the cost of parts and shipping.
Page 3
X-Rack Owner’s Manual
2.Safety considerations
his section contains definitions and warnings, and practical information to ensure a safe working environment.
T
Please take time to read this section before undertaking any installation work.
2.1Definitions
‘Maintenance’
All maintenance must be carried out by fully trained personnel. Note: it is advisable to observe suitable ESD
recautions when maintenance to any part is undertaken.
p
‘Non-User Adjustments’
Adjustments or alterations to the equipment may affect the performance such that safety and/or international
compliance standards may no longer be met. Any such adjustments must therefore only be carried out by fully
trained personnel.
‘Users’
This equipment is designed for use solely by engineers and competent operators skilled in the use of professional
audio equipment.
‘Environment’
This product is a Class A product intended to form an integrated component part of a professional audio
recording, mixing, dubbing, film, TV, radio broadcast or similar studio wherein it will perform to specification
providing that it is installed according to professional practice.
2.2Electrical Safety Warning
When installing or servicing any item of Solid State Logic equipment with power applied, when cover
and/or blank panels are removed, HAZARDOUS CONDITIONS CAN EXIST.
These hazards include:High voltages
High energy stored in capacitors
High currents available from DC power busses
Hot component surfaces
Any metal jewellery (watches, bracelets, neck-chains and rings) that could inadvertently come into contact
with uninsulated parts should always be removed before reaching inside powered equipment.
2.3Installation
Voltage Selection and Fusing
The X-Rack unit has an auto-sensing power supply that can operate on 100 – 230V without adjustment.
The X-Rack power supply module is internally fused. If the fuse should fail for any reason the unit should be
returned to Solid State Logic for repair/replacement as appropriate.
Safety Earth Connection
Any mains powered item of Solid State Logic equipment that is supplied with a 3-core mains lead (whether
connectorised or not) should always have the earth wire connected to the mains supply ground. This is the safety
earth and grounds the exposed metal parts of the racks and cases and should not be removed for any reason.
Note that the earth stud provided on the rear of the equipment is a functional earth not a safety earth.
Page 4
Safety Considerations
Mains Supply and Phases
Solid State Logic equipment is designed for connection to single phase supplies with the Neutral conductor at
arth potential – category TN – and is fitted with a protective fuse in the Live conductor only. It is not designed
e
for use with Phase (Live) and Neutral connections reversed or where the Neutral conductor is not at earth
otential (TT or IT supplies).
p
Mains cables will be coded with the following colour scheme:
IVE:Brown
L
NEUTRAL:Blue
EARTH:Yellow/Green
Mains Isolation and Over-Current Protection
An external disconnect device is required for this equipment; a detachable power cord, as fitted to this
equipment, is a suitable disconnect device. Note that the socket outlet used for the detachable power cord should
be installed near the equipment and should be easily accessible.
An external over-current protection device is required to protect the wiring to this equipment which must be
installed according to current wiring regulations. The fusing or breaking-current is defined in the environmental
specification in Section 5.0 of this manual. In certain countries this function is supplied by use of a fused plug.
CE Certification
Note that the majority of cables supplied with Solid State Logic equipment are fitted with ferrite rings
at each end. This is to comply with current European CE regulations and these ferrites should not be
removed. If any of the equipment metalwork is modified in any way the CE certification status of the
product may be adversely affected.
Note that a frame or chassis terminal stud (functional earth) has been fitted to this equipment to provide a
convenient low impedance bonding point for interconnected equipment, should it be required.
FCC Certification
The XLogic unit has been tested and found to comply with the limits for a Class Adigital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be required to correct the interference at his own expense.
Instructions for Disposal of WEEE by Users in the European Union
The symbol shown here is on the product or on its packaging, which indicates that this product
must not be disposed of with other waste. Instead, it is the user’s responsibility to dispose of
their waste equipment by handing it over to a designated collection point for recycling of waste
electrical and electronic equipment. The separate collection and recycling of your waste
equipment at the time of disposal will help to conserve natural resources and ensure that it is
recycled in a manner that protects human health and the environment. For more information
about where you can drop off your waste equipment for recycling, please contact your local city
office, your household waste disposal service or where you purchased the product.
2.4Graphical Symbols
The following symbols may be used either on the product or in this manual:
General hazard – refer to user or service
manual for details.
Protective Earth (ground).
Electrical hazard.
Frame or Chassis terminal.
(Functional Earth)
Page 5
X-Rack Owner’s Manual
3.X-Rack Installation
3.1Assembling the X-Rack
The X-Rack unit is normally shipped either as an empty rack (SSL Part No. 729935X1), a part filled (custom)
ack or as a fully loaded unit; for example, a unit fitted with eight 729618X1 Dynamics modules (SSL
r
Part No. 729935X2) – if you have purchased a fully loaded unit you should skip the rest of Section 3.1.
In the case of empty or part filled racks, any empty module slots will be covered by blank panels which
will need to be removed before fitting additional modules.
Note. Do not attempt to fit or remove modules with power applied. Always switch the rack off and remove the power cord
prior to working on this unit. When fitting or removing modules, it is advisable to observe suitable ESD precautions.
Take care when handling modules and blank panels; sharp corners may be present.
Modules are fitted from the front of the X-Rack, normally starting from the left hand end. Note that it is
recommended that any required blank panels (SSL Part No. 729618X2) are fitted prior to fitting modules.
Each module plugs into the backplane; use the two 8mm M3 counter sunk screws supplied with the
module or blank to fix the item to the front of the rack – a 2mm AF hex key is supplied with the X-Rack
unit. The rear connector panel or blank should be screwed to the rear of the case using the two 8mm M3
button head screws supplied with the module. The end result should be a unit that is fully loaded with
modules and/or blank panels. For ease of fitting, do not tighten the screws until all modules and/or blank
panels have been fitted.
Note. To ensure peak operating performance, please ensure all rear panel fixing screws are securely tightened; warping on
the rear of the chassis may be observed – this is no cause for concern.
3.2Mounting
The X-Rack unit is designed to be rack mounted or free standing. It is 4RU (178mm/7 inches) high. Its
depth is:
180 mm/7.2 inches
255 mm/10.2 inches including connectors
The unit does not require rack shelves. A 1RU space should normally be provided above the unit.
The unit is supplied fitted with both feet and rack ears. If the unit is to be rack mounted the feet should be
removed using the supplied 2.5 mm AF hex driver. The same driver can be used to remove the rack ears
if the unit is to be free standing.
Feet and rack ears are fixed using M4 x 8mm screws.
Do not replace them with longer screws as this may damage the rack electronics.
Page 6
TOTAL RECALL
LINK IN
MIDI INMIDI OUT
TOTAL RECALL
LINK OUT
X-Rack Installation and Operation
3.3Connection
.3.1 Power Connection
3
The X-Rack unit has an auto-sensing power supply that can operate on 100 – 230V without adjustment.
The power connection is made via a standard IEC mains cord to an un-switched IEC mains socket on the
rear panel and a latching power switch is provided on the front panel of the unit.
3.3.2 Audio Connection
Generally, each module will have an input connector (normally a female XLR) and an output connector
(normally a male XLR). Depending upon the type of module other connectors, such as key inputs, may be
present also. Connect the module inputs to the insert sends of your console or to your workstation outputs.
Connect the module outputs to the corresponding insert returns or to your workstation inputs.
Once the unit is connected switch it on, then route a signal to each channel in turn and check that it is
returned to the correct input on your console or workstation.
Some module input and output gains can be set to operate at a nominal level of +4dBu or –10dBV using a
switch on the connector panel. Select the appropriate level for the equipment you are connecting to. If in
doubt either refer to the section of this manual specific to the particular module or experiment!
3.3.3 Connection to an AWS 900
If the X-Rack is being used with an AWS 900 or AWS 900+,
connect the TOTAL RECALL LINK IN connector (a 9 pin D-
type) to Serial Port 1 on the conole’s connector panel using the
supplied 2 metre cable. This may be extended to a maximum of
15 metres using a suitable pin to pin extension cable.
If you have more than one X-Rack unit connect the
TOTAL RECALL LINK IN connector on the second unit to the
TOTAL RECALL LINK OUT connector on the first unit using
the supplied cable. A third unit may be connected to the second
unit in the same way.
3.3.4 MIDI Connection
The MIDI port can be used for several functions:
• Archiving of the 32 internal stores as SysEx (System Exclusive) dumps
• Remote control of the ‘soft’ functions of the XR622 Master module
• Updating the system software
If you wish to use this facility connect the X-Rack MIDI IN connector to a spare MIDI out connector on
your MIDI interface and the X-Rack MIDI OUT connector to the corresponding MIDI input.
A separate connection is required for each X-Rack.
3.3.5 Mix Bus Link
Some X-Rack modules can route signals onto the X-Rack’s internal mix busses. This 25-way ‘D’ type
connector is provided to enable access to these buses and, using this connector, multiple X-Racks may be
connected together enabling a large stereo mix system to be constructed. The pinout for this connector is
detailed in Section 5.2.
Page 7
X-Rack Owner’s Manual
4
21454
5
Push to Select
SAVE
3
SETUP/
MIDI
SAVE
Push to Select
COPY/
DEL
TOTAL RECALL
Empty
Wr Prot
1
76543
2
4.Operation - Total Recall
4.1Overview
The Total Recall computer stores all of the switch and rotary control
positions for each X-Rack module in one of thirty two internal stores.
These can be recalled and compared with the current settings using
front panel LEDs to show which controls do not match. If the module
layout has changed since the snapshot was taken, only the modules
that match will be recalled.
The contents of all the stores can be archived and restored as a MIDI
system exclusive data dump.
Additionally the X-Rack can interface with the Total Recall system on
an AWS 900 or AWS 900+. This allows the settings of up to three X-Rack
units to be stored along with the AWS 900 settings.
Note. Through the rest of this manual, references to ‘AWS 900’ apply equally to
‘AWS 900+’.
4.2Stand-alone Mode
4.2.1 Saving Stores to Internal Memory
A maximum of 32 stores can be saved in internal non-volatile memory, provided the stores have not been
write-protected – indicated by the ‘Wr Prot’ LED being illuminated.
First select a store by turning the D-Pot , then press SAVEto
store all of the current control positions.
If the store has already been used the SAVE LED will flash. Press the
SAVE switch a second time to overwrite the store.
4.2.2 Recalling and Displaying Stores
To select a store using the D-Pot then press the D-Pot to select that store.
The current store is displayed on the dual 7-segment display .
If the selected store is empty the ‘Empty’ LED lights and the unit will not switch to display mode.
With a valid store selected, the X-Rack module SEL LEDs will light if the module type in the store (EQ,Dynamics etc.) matches the module currently fitted in that slot. A flashing SEL LED indicates that some controls
on that module do not match the stored positions. A steady LED shows that all controls are matched. The
switch LEDs will light if the current switch position does not match the stored positions. Press or release
the switch as required to extinguish the LED.
Above each rotary control is a bi-colour LED:
The LED lights red if
the control needs
turning anti-clockwise.
or
The LED lights green if
the control needs
turning clockwise.
The LED extinguishes when the control matches the stored position.
If a store is already being displayed when you select a different store the display will flash and the new
store will not become active until you press the D-Pot for a second time.
4.2.3 Exiting Display Mode
Push the D-Pot a second time to exit display mode.
All SEL LEDs will extinguish and the channel switch LEDs will now show the position of their respective
switches.
Page 8
4.2.4 Copy/Swap
SELECT
SETUP/
MIDI
SAVE COPY/
DEL
Push to Select
C
OPY/
DEL
P
ush to Select
COPY/
DEL
SEL +SEL
SEL
SEL
While displaying a TR setup pressing and holding a module SEL switch
nd then pressing a second SEL switch will swap the setting of the two
a
channels.
Selecting COPY/DEL and then doing the same will copy
settings from the first channel to the second.
ote that Copy/Swap is only allowed between similar
N
modules; the unit will not allow you to swap settings
etween an EQ module and a Dynamics module for
b
instance!
4.2.5 Deleting Stores
Stores can be cleared (to remove unwanted stores before a SysEx dump) by
holding down COPY/DEL till it’s LED flashes and pressing the D-Pot
switch (while still holding down the COPY/DEL switch). Additional stores
can be deleted by holding down the COPY/DEL switch, selecting the
second store with the D-Pot and pressing the D-Pot again.
4.2.6 Delete All
All stores can be cleared by holding down all three
switches until their LEDs flash, then pressing the D-Pot
switch.
X-Rack Installation and Operation
+
&
+
+
4.3AWS Remote Mode
4.3.1 System Requirements
The X-Rack ‘TOTAL RECALL LINK IN’ connector must be connected to AWS 900 serial port 1 – see
Section 3.3 for more details.
If more than one X-Rack is connected each X-Rack must have a different address – refer to the Setup/MIDI
Section.
The AWS 900 must be running V1.2/6 or higher software and have Total Recall enabled for this to function.
This software can be downloaded from the SSL website.
4.3.2 Operation
Pressing the Total Recall STORE switch on the AWS 900 will send a message to all attached X-Racks asking
for the current control settings to be returned. The returned settings are appended to the AWS 900 Total
Recall stores and are automatically archived and restored as part of the AWS 900 Total Recall system.
Similarly pressing SELECT in the AWS TR page will return the
selected Total Recall setup to the X-Rack unit(s). The remote
load command will always replace the current setup and the XRack display will read ‘re’.
To display the new settings, press the D-Pot as in ‘Standalone’ mode and to exit display mode press the
D-Pot a second time. If the AWS 900 store does not contain valid data (for example if it was saved on an
AWS 900 not connected to an X-Rack) the ‘Empty’ LED will light and it will not be possible to select display
mode.
Settings can be saved to the local stores and recalled at any time by turning the D-Pot (though see the
Remote option in the Setup menu section). Pressing STORE in the TR page on the AWS 900 will always
save the current state of the unit and pressing SELECT will replace the store to be displayed with the store
from the AWS 900.
See the Remote and the Address options in the Setup/MIDI Section.
Page 9
X-Rack Owner’s Manual
S
ETUP/
MIDI
4.4Setup/MIDI Mode
.4.1 Overview
4
Enter SETUP/MIDI mode by holding down the SETUP/MIDI switch
till the display reads ‘5e’. The SETUP/MIDI LED flashes to show you
are in this mode. Press and hold the same switch to return to normal
operation.
Navigating in the Setup menu
he setup menu contains a number of options. These each contain a number of sub-options. Turn the
T
D-Pot to scroll through the main list of options and push the D-Pot to select an option for editing. The DPot will now scroll through the available list of possible settings for that option. Pressing the D-Pot again
will save the currently selected setting and return to the normal option menu. The options are:
OptionDisplaySettingNotes
Enter Setup5eNone
MIDIm1MIDI Channel (ck)Select the MIDI channel to listen to for
remote control of the XR622 Master
module (01 to 16 or al for all)
MIDI Learn (le)Define which MIDI controls operate
the XR622 Monitor module controls
Save (sa) and Load (l0)Send or receive SysEx data to save or
load all internal stores to a MIDI
sequencer or librarian
Write ProtectprOff (0f) and On (0n)Toggles write protect on and off
Remote reOff (0f), On (0n) or MIDI (m1)Toggles remote Total Recall mode on
and off or enables MIDI remote control
of the XR622 Monitor module controls
Set Addressada1, a2, a3, a4Sets X-Rack address for AWS Total
Recall interface
Show VersionveDisplays software version
TestteTest LEDs (tl)All module LEDs flash
Test switches (t5)Press TR computer switches to light
corresponding LEDs
Test pots (tp)Shows position of pots
Update SoftwareflProgram upgrade mode (te)The only exit from this mode, without
updating the X-Rack software, is to
power-cycle the unit.
Dim Leveld1–3 (03) to –30 (30) dBSets the ‘DIM’ level for the XR622
Monitor module
Page 10
X-Rack Installation and Operation
SAVE
4.4.2 MIDI (m1)
Under this menu it is possible to set the MIDI controls which can control parts of the X-Rack XR622 Master
module and also to save and load all internal stores to and from a MIDI sequencer or librarian as a SysEx
dump.
MIDI Remote Channel (ck)
Under the MIDI menu, use the D-Pot to select MIDI Channel.
Then press the D-Pot and turn it to select the required channel (‘01’
to ‘16’ or ‘al’ for all/any channel). This is the MIDI channel that will
e used for remote control of the XR622 Master module. By default
b
X-Rack will listen on all channels.
MIDI Remote Learn (ck)
Under the MIDI menu, use the D-Pot to select
MIDI Learn (le) and press SAVE. The green
‘Wr Prot’ LED will flash to indicate you are in MIDI
Learn mode. Operating any one of the ‘soft’ controls
on the XR622 Master module will cause the LED of
the selected control to flash (the module ‘SEL’ LED
will flash if either of the potentiomenters have been chosen) – indicating it has been chosen. Assign a MIDI
controller to the selected function by operating the required MIDI controller. To cancel or change the
assignment either operate the Master module control again, or operate a different control. A successful
assignment will be indicated by the flashing LED changing to just being illuminated steadily.
+
To exit MIDI Learn mode, press the D-Pot – the green ‘Wr Prot’ LED will stop flashing. Switch assignments
can be reset to the system defaults by pressing COPY/DEL when in MIDI Remote Learn mode; the ‘Empty’
LED indicating when the assignments have been deleted.
In order to use the MIDI save and load utility the X-Rack must be connected to a computer running a
suitable sequencer or MIDI librarian package.
All the stored setups can be saved as a System Exclusive dump to any software package that supports
MIDI SysEx dumps. In practice this includes most packages and you would normally save the TR setups
to an additional track in your current DAW project so that your setups are stored with the rest of the
project.
Saving Setups to a Mac or PC (sa)
With the X-Rack in Setup Mode, saving TR setups to Mac or PC can be achieved as follows:
• Under the MIDI menu, use the D-Pot to select MIDI Save.
Page 11
X-Rack Owner’s Manual
SAVE
S
AVE
Push to Select
SETUP/
MIDI
SAVE COPY/
DEL
• The display will show ‘5a’ and both the ‘SAVE’ LED and display flash.
• Create an additional MIDI track in your DAW program. Select its input and output to be the MIDI port
connected to your X-Rack.
• If available select the track to store System Exclusive data and record enable the MIDI track.
Press Play and Record on the DAW to put the MIDI track into record.
•
• Press the SAVE switch to start transmission of all saved Total Recall setups.
A ‘rotatingsegment’ display will start and run until all data has been transmitted
• Once the display changes to ‘m1’ stop the DAW to end recording.
An unlimited number of Total Recall setups can be stored in this way.
Loading Setups from a Mac or PC (l0)
Restoring setups from a Mac or PC is even simpler:
&
• Enter MIDI mode as before, and turn the D-Pot until the display
changes to ‘l0’ and begins to flash.
• Locate the DAW to just before the SysEx data containing the setups you wish to load.
• Play through the SysEx block of data. The display will show a rotating segment while data is received.
As soon as the X-Rack detects the start of valid data it will delete all the current setups and replace them
with the stored ones from the MIDI track.
4.4.3 Write Protect Mode (pr)
Write Protect prevents existing stores being over
written or deleted, providing an extra level of
or
protection for units that have been programmed
with particular settings.
When set to ‘0n’ the Save and Delete functions are
disabled. When set to ‘0f’ they are enabled. The
‘Wr Prot’ LED lights to show this mode has been
selected.
4.4.4 Remote Mode (re)
This mode enables remote
control of X-Rack, either from an
oror
AWS 900 for saving and
recalling Total Recall snapshots
or from a MIDI controller for control of the XR622 Master module.
Page 12
When Remote Mode is ‘0n’, selecting a TR setup on the AWS 900 Total Recall page will change the current
X-Rack setup to the one saved in the AWS 900. The X-Rack display will change to read ‘re’ (remote).
Pressing the D-Pot will display the TR setup as normal. When Remote Mode is ‘0f’, turning the D-Pot will
change the current X-Rack setup to one of the internal stores but when Remote Mode is set to ‘0n’ the DPot is disabled once the X-Rack has received a setup from an AWS 900. This also prevents saving or
deleting of local stores.
X-Rack Installation and Operation
When Remote Mode is set to MIDI (‘m1’), the ‘soft’ controls on the XR622 Master module may be remotely
operated as MIDI controls. The Master module controls will continue to function until a valid MIDI packet
has been received, after which all of the ‘soft’ controls will be locked out – operating these controls under
hese conditions will result in an ‘re’ message on the X-Rack display. Which MIDI channels and controls
t
are used is set through the MIDI learn process (see above).
Note. Setting Remote Mode to MIDI will disable the AWS 900 Total Recall connection.
4.4.5 Address Setting (ad)
If more than one X-Rack is to be connected to an AWS 900 then each must have a different address. Enter
Address mode and turn the D-Pot so the display reads ‘a1’, ‘a2’, ‘a3’ or ‘a4’ then press the D-Pot to save
the address:
ororor
The order of addressing is not important, but we recommend you address the racks in the order they are
connected to the AWS 900. This will increase the chances of data being correctly mapped if you move to a
different facility.
4.4.6 Test Mode (te)
This mode is used for testing the front panel switches and LEDs.
There are three test modes available, selected using the D-Pot as for the other Setup functions:
Test LEDs (tl)
This toggles the bi-colour LEDs above the pots between red and green.
Test Switches (t5)
This mode flashes all the channel switch LEDs. Pressing any switch (apart from SEL)
should make the corresponding LED flash out of time with the other LEDs on the front
panel.
Pressing a SEL switch should light the corresponding LED.
Pressing any of the switches on the TR computer section should flash the corresponding LED. Pressing the
D-Pot should turn off the flashing ‘Empty’ LED and flash the ‘Wr Prot’ LED.
Test Pots (tp)
This mode scans all the modules from the top left to the bottom right of the unit and
displays the value of the last rotary control not turned fully counter clockwise. If all controls
are turned counter clockwise then the display shows ‘tp’.
To use this diagnostic first turn all controls fully counter clockwise. The module SEL LEDs will flash on all
modules with a control not in the correct position and the individual pot LEDs will light green on all
controls not in the correct position. Turning any control should make the display change from ’02’ to ‘255’.
Note that ‘02’ is the lowest value that can be read before the pot is skipped.
The decimal points on the two displays are used to show numbers greater than ‘99’. The left hand decimal
point lights to indicate that you should add a 100 to the displayed value and both decimal points light to
show that you should add 200 to the displayed value, hence:
‘101’ will display like this:whilst ‘201’ will display like this:
Page 13
X-Rack Owner’s Manual
4.4.7 Show Version (ve)
Select Show Version by turning the D-Pot till the display shows ‘ve’.
Press the D-Pot to show the software version
in three blocks. As an example, software
version ‘V1.2/11’ will display in this sequence
before returning to display ‘ve’.
4.4.8 Set DIM Level (d1)
Select DIM Level by turning the D-Pot till the display shows ‘d1’.
Press the D-Pot to show the current DIM level. The level can be varied from –3dB (‘03’) to –30dB (‘30’).
Press the D-Pot once more to change the DIM level.
Page 14
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