Logitek Digital ConsolesROC-10/ROC-5 Control Surface
Introduction
Logitek Digital Consoles represent a new concept for broadcast audio consoles.
Logitek consoles centralize all audio mixing, routing, and distribution functions to
one location in a facility. Once a Logitek system is in place, adding new inputs,
outputs, or even new studios is very easy.
The heart of Logitek Digital
Consoles is the Audio Engine.
This is a digital matrix with equal
numbers of input and output
channels ranging from 8x8 to
64x64 in one engine. This matrix
is capable of mixing, routing,
creating mix-minuses and all other
traditional functions of consoles.
The Audio Engine erases the
differences to the user between
digital and analog sources or
destinations. The Audio Engine
can accept digital and/or analog
sources and feed digital and/or
analog destinations.
The part of the system in the hands of the user, what looks like an audio console,
is a control surface for the Audio Engine. This can be a ROC 10 or a ROC 5,
both of which look and feel like a traditional console in many respects. The
Audio Engine can also be directly controlled by a personal computer using
optional VMix Computer software. Each Audio Engine can accept commands
from up to three consoles or two computers.
5
Unpacking
ROC-10/ROC-5 Control Surface
Carefully unpack the Audio Engine and control console cartons looking for any
signs of shipping damage. You may wish to save the shipping cartons until the
operation of the system is verified and you are sure there is no hidden shipping
damage. Report any damage to the shipping carrier immediately.
The Audio Engine and Control Surface are boxed separately. Each box contains a
separate packing list showing the contents. Verify that the contents of each box
matches the packing list and report any discrepancies to Logitek in writing
immediately.
Here are the ways you may use to contact Logitek:
Regular mailLogitek Electronic Systems, Inc.
5622 Edgemoor Drive
Houston, Texas 77081
Telephone877-231-5870
713-664-4470 (Outside U.S. And Canada)
Fax713-664-4479
Email help@logitekaudio.com
Website www.logitekaudio.com
6
ROC 10 and ROC 5 Control Surfaces
Logitek Digital ConsolesROC-10/ROC-5 Control Surface
Installation
The ROC control surfaces may be flush mounted in a table or cabinet. Logitek
also offers a decorative wood trim kit that provides a more elegant look to the
installation. Contact Logitek for more information about this accessory. See the
Appendix for the cutout instructions.
The control surface is designed
to drop through a hole cut in
the mounting surface. Flanges
on the front and side of the tray
hold the unit in place. If the
optional wood trim has not
been purchased, then the edges
of the hole must be routed out
so that the top of the tray
flanges are flush with the top
of the mounting surface. This
way the console will appear to
sit flat on the table top. The
tray mounting flanges can be
screwed to the table top using
#4 flat head wood screws.
Connection of the Control Surface is easy and requires only two cables.
The first is a standard computer style AC power cord designed for North
American power standard. If you require special power cables contact Logitek.
Unless marked otherwise, the ROC is factory set for 110 VAC power. The unit
can be set for 220VAC by changing the switch on the power supply to the
position marked “220VAC”. This card is mounted inside the enclosure next to
the power entry socket.
7
The fuse holder is adjacent to the power connector and contains a ½ amp fuse for
ROC-10/ROC-5 Control Surface
both ROC 5 and ROC 10 control surfaces.
The second cable is the data cable which connects to the Audio Engine. This
cable has a male DB-9 connector on each end. On the control surface, this
connector is attached adjacent to the power connector. The wiring list for this
cable is shown in the Appendix. Maximum length of the cable is 300 meters or
1000 feet. These cables can be ordered through Logitek in the length you need.
Recommended wiring for this connection is Category 5 computer cable.
The ROC Console control surface consists of two pieces, a top and a tray. To
access the tray for mounting, remove the top by unscrewing the three screws
along the back edge of the top panel. Pull up on this edge and slide the panel
backwards as it comes loose. Two tabs on the front of the tray will disengage and
the top panel can then be removed. Reinstall the top by reversing this process.
8
Operation
Logitek Digital ConsolesROC-10/ROC-5 Control Surface
The ROC control surfaces are designed to be very familiar in look and feel to a
traditional console. Training time is much the same as for any other console.
Many of the differences are seen in the configuration process and are not obvious
to the operator. Following is a description of the user operated controls.
Faders
Layout of the faders can be seen at left. The stock faders are 100 mm. Sellmark
slide pots. Since the faders are only controls, no audio passes through them.
They only contain control voltage which is used to change levels in the Audio
Engine. The faders operate as step attenuators with 256 steps from top to bottom.
Penny & Giles faders are available as an option. These faders provide a smoother
feel than the stock units.
Faders may also have “click down” cue switching by setting the Cue @ Inf function in the configuration software. When the fader is brought to
within .1 inch of the bottom of its travel, the selected input will be sent
to the cue amplifier. This action is independent of the On and Off
buttons so raising the fader out of cue will not change the current state of
those buttons unless Fader Start is activated in configuration. The Cue@ Inf is enabled or disabled for each input not for the fader. The “click
down” cue action will depend on the input selected.
Since audio does not pass through the physical faders, they will not
become noisy with wear. Any “scratchiness” of the fader as it moves is
averaged out with a special processing algorithm in the system. If a
fader becomes worn, you will notice a slowing of the fader response to
level changes. This is a sign that it is time to change the fader.
9
Replacement faders are available complete with ribbon cables and connectors for
ROC-10/ROC-5 Control Surface
quick repairs. You may choose Selmark or optional Penney & Giles replacement
faders. See the Appendix for a list of Logitek part numbers for use in ordering
replacements.
Each fader has illuminated OFF and ON push buttons at the lower end of the
fader. The mix bus selector buttons and the input selector and display are at the
top of the fader.
ON/OFF Buttons are momentary and illuminated with LEDs. External device
controls such as start and stop or auxiliary actions such as muting or mix-minus
can be attached to the functions of the source ON buttons when configuring the
Audio Engine. The external controls require momentary closures. These attached
functions will follow any change of inputs.
Replacement buttons, lens caps and LEDs are available from Logitek. Part
numbers are listed in the Appendix.
Mixer Pots are designed to feel to the operator like a traditional slider. External
control or auxiliary actions can be programmed to occur at a point in the slider
travel when configuring the Audio Engine.
Bus Assign buttons are momentary action and have indicator
LEDs. The action of the PGM and AUX1 buttons is independent
so either or both can be assigned at once. Operation is Push ON /
Push OFF.
Cue is controlled by the momentary push button with indicator
LED. Cue can also be set to turn on with a fader “click-down”.
This is set during configuration. The action of the cue output can
be independent of the fader pot or configured to turn off when the
pot is brought up. When set as independent, the action of the
button is Push ON / Push OFF. For remote operation through
GPI control, the external closure must be sustained for the fader
to remain in Cue.
10
The Change push buttons allow selection of various options
Logitek Digital ConsolesROC-10/ROC-5 Control Surface
pre-assigned to the fader during configuration. When one of the
buttons is pressed, the LED lights at the button. This indicates
that a change can now be selected. Use the Select knob at the
upper right corner of the control surface to scroll through the
choices programmed for the button. The choices are displayed
in the LCD panel at the top of the fader. When the desired
choice is found, press the Take button near the Select knob to
activate the choice. The choice mode can be cancelled before
pressing the Take button by pressing the Change button a
second time so that the LED goes out or by pressing a different
Change button.
The Input Change button allows selection of any of the inputs assigned to the
fader during configuration. This can be as many or as few of the Audio Engine
inputs as you desire. All faders must have at least one input assigned. Remember
that as inputs change, any attributes attached to that input such as muting or
machine starts will change along with it.
The Mode Change button provides for selection of fader modes
such as Stereo (ST), Mono (MN), Left Channel only (LL), Right
Channel only (RR), or Phase Reverse(PR). The availability of
modes on any input is set during configuration. The default mode
for stereo and mono inputs is set automatically when the input is
selected.
The Bus Change button is used to assign the additional mix bus assignments.
The predefined mix busses are Program, Aux 1, Aux 2, and Aux 3. Any fader
may be assigned to any or all of these busses and these busses may be assigned to
any of the Audio Engine outputs. In addition, other outputs may be configured as
Mono outputs or mix-minus outputs. You are free to make these assignments as
you wish during Audio Engine configuration.
11
The Program and Aux1 busses are selected by the buttons on the fader and status
ROC-10/ROC-5 Control Surface
is shown by the accompanying LEDs. The status of the Aux2 and Aux3 busses is
indicated on the second line of the fader LCD display. The first character on the
line will be 2 if the bus is active or - (dash) if the bus is not active for the fader.
In a similar manner, the second character on line two of the fader LCD is 3 or depending on whether the bus is active or inactive for the fader.
Three Monitor controls are provided on the ROC 10 and
are labeled Phones , Monitor and Studio . The ROC 5 has
two controls labeled Phones and Monitor . The action of
each is the same. A level control is present with each as
well as an LCD panel and a Change push button. The
LCD shows the current source selection of the monitor
along with a level indicator on the second line of the
display which shows the relative position of the level
control.
The Phones monitor input may require some special consideration for air monitor
with live microphones. The Audio Engine will introduce a delay of from 6 to 10
milliseconds from input to output depending on the sample rate used (higher
sample rate gives lower delay). This delay by itself is not objectionable but, when
coupled with STL and air monitor return delays, the total delay may be a problem.
Using the flexibility of the Logitek console, a solution would be to provide a
separate post-processor input to the Audio Engine. This input could be used on
the Phones monitor to give the processed feed to air talent without the extra
delay.
To change the source of the monitor control, press the Select button to the right of
the LCD panel. An LED indicator will show that the selection mode is active.
Use the Select knob at the upper right of the Control Surface to scroll through the
available choices which are preset during configuration. When the desired choice
is displayed on the LCD press the Take button to activate it. The selection mode
can be canceled by pressing the monitor Select button again before the Take
button or by pressing another Select button or a mixer Input button. All of the
monitor controls must have at least one device assignment set during
configuration.
12
The Cue knob controls the volume of the local cue speaker
Logitek Digital ConsolesROC-10/ROC-5 Control Surface
which has its own amplifier. Cue audio is returned to the
Control Surface from the Audio Engine as digital data on the
Control Surface cable. It is converted to analog at the Control
Surface. The relative cue level is indicated by the vertical bar on
the second line of the timer LCD display.
The Source and Destination for the Talkback buttons are set during
configuration. Any input can be sent to any output and designated as Talkback 1
or Talkback 2 . When the associated Talkback button is pressed, the designated
input is sent to the output while the button is pressed. When the button is
released, the connection is broken. This allows temporary audio connections to
be made for such functions as intercom.
The Timer display to the right of the VU meters is count up and the
events which reset it are set during configuration. The buttons between
the display and the Cue knob are used for local control of the timer. The
ZERO button resets the timer display. The AUTO button toggles
between automatic reset/start and manual operation. In auto operation
pressing any ON button will activate the timer if the Timer Reset is set to
Yes for that input. The RUN button toggles Start and Stop functions of
the timer.
13
The meters on the ROC Control Surfaces are multi-function LED type which
ROC-10/ROC-5 Control Surface
show typical VU levels as well as peaks. The reference level is adjustable. On
the ROC 10 there are two sets of left and right meters. One set is labeled
Program and follows the outputs assigned as the Program Output bus. The other
set is labeled Monitor and follows the choice made on the Monitor Control
Selector. The ROC 5 is equipped with only one pair of meters which follows the
Monitor Control Selector.
The meter LEDs are in a four color arrangement as follows:
Green-35 to -1 db (the normal VU operating range)
Yellow0 db reference point
Orange+1 to +3 db (the VU warning range)
Red+4 to +16 db (the normal range for peaks)
14
The zero VU reference level can be set on analog outputs from -20 to +8 db by
Logitek Digital ConsolesROC-10/ROC-5 Control Surface
entering the desired level as a number in the Analog Level box in the Output
Settings Editor of the configuration software. Separate definitions of outputs can
have different reference levels set during configuration.
The digital output zero VU corresponds to -20 dBFS and cannot be changed.
Other meter scales are available on request such as BBC, European PPM, and VU
only scale. Please contact Logitek for more details.
15
Initial Power-Up
ROC-10/ROC-5 Control Surface
The ROC will startup with all controls in a neutral position. If the surface is
connected to the Audio Engine then the engine will reset all the switches and
router assignments to the current values for the Control Surface port. The Control
Surfaces reflect the configuration of the Audio Engine port to which they are
attached so that the Control Surfaces may be easily interchanged.
Configuration of the Control Surface port is accomplished in conjunction with
configuration of the Audio Engine. The configuration software runs in Windows
95/98/NT and requires an available RS232 serial port on the computer to connect
to Port 4 on the AE-C2 card in the Audio Engine. See the section covering
operation of the software for details on Control Surface setup.
In the event of loss of power at the Control Surface, all switches and indicators
are returned to the same state as before the power loss when the power returns.
The same is true of power loss at the Audio Engine. When power returns the
Audio Engine will return to the same state as before the power failure. When
power is restored, the Audio Engine boot-up time is only a few seconds. Loss of
power at the Control Surface will not interrupt audio unless the current audio
source ends and the next audio source fader is OFF .
The Control Surfaces also incorporate a “Watchdog” timer which checks the
processor several times a second. In the event of a software error which locks up
the Control Surface, the lockup will be released by this watchdog in less than one
second.
To minimize the chance of program interruptions, use of an uninterruptible power
supply (UPS) is recommended for the Audio Engine. The ROC 5 and ROC 10
Control Surfaces consume approximately 25 watts of power. Select a UPS size to
provide the protection time you need.
16
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Logitek Digital ConsolesROC-10/ROC-5 Control Surface
17
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ROC-10/ROC-5 Control Surface
18
Control Surface Data Cable
Logitek Digital Consoles
Category 5 LAN cable is recommended with a DB9 male at each end. 3 of the 4
twisted pair are used. Ports 1, 2 or 3 are used on the Communications Controller
Card. The rear view of the male connector is shown. Pinout is the same at both
ends. Port 3 has no Cue audio connection so pins 1 and 6 are not connected on
this port and only two pairs are used. All ports operate at 38.4 Kbps, 8 data bits,
1 stop bit and even parity.
Appendix
Pin1 pair 1 Cue +6 pair 1 Cue -
Ports 1 and 2
2pair 2 TX +7pair 2 TX -
3pair 3 RX +8pair 3 RX -
4 no connect 9no connect
5enclosure ground
Appendix19
Port 3
Pin1 no connect6 no connect
2pair 1 TX +7pair 1 TX -
3pair 2 RX -8pair 2 RX +
4 no connect 9no connect
5enclosure ground
20Appendix
Communications Controller GPI
Logitek Digital Consoles
The AE-C2 communications controller provides 15 analog input/tallyback
connections along with 15 closures for external device control. The first 12
device control relays are on a DB-25 connector, the remaining three on a DB-37
with the analog inputs. The contacts of the internal relays are rated at 100 volts
DC maximum and 500 milliamps maximum. Higher currents will require the
internal relays to switch an added outboard relay. Interface cables in both cases
are made with male connectors. The rear view of the male connector is shown.
The analog inputs and three of the relays are on a 37 pin male DB connector.
The rear view is shown.
Pin1 GPI In l Pin20 Ground
2 GPI In 2 21 Ground
3 GPI In 3 22 Ground
4 GPI In 4 23 Ground
5 GPI In 5 24 Ground
6 GPI In 6 25 Ground
7 GPI In 7 26 Ground
8 GPI In 8 27 Ground
9 GPI In 9 28 Ground
10 GPI In 10 29 Ground
11 GPI In 11 30 Ground
12 GPI In 12 31 Ground
13 GPI In 13 32 Ground
14 GPI In 14 33 Ground
15 GPI In 15 34 Ground
16 Relay 13+ 35 Relay 1317 Relay 14+ 36 Relay 1418 Relay 15+ 37 Relay 15-
22Appendix
19 no connect
Port 4 / RS-232
Logitek Digital Consoles
The RS-232 port is used to program the Audio Engine by connecting to a
computer through its serial port. Port 4 is also the main point used by broadcast
automation to control the Audio Engine. This port operates at 38.4 Kbps, 8 data
bits, 1 stop bit and even parity. The cable uses a male connector at the Audio
Engine and a female connector at the computer. Wire pin 2 to pin 2, pin 3 to pin
3 and pin 5 to pin 5.
Audio Engine
Pin 1No Connect
2TX
3RX
4No Connect
5Ground
6No Connect
7No Connect
8No Connect
9No Connect
Computer
Pin 1No Connect
2RX
3TX
4No Connect
5Ground
6No Connect
7No Connect
8No Connect
9No Connect
Appendix23
Audio Engine - AE32 Specifications
Audio Processor
General32 bit floating point processing, 24 bit mantissa
Lone SHARC™ card: 1 Analog Devices’ SHARC™ DSP
Full House card: 3 Analog Devices’ SHARC™ DSPs and
DRAM interface
Internal sampling rate User selectable 32k, 44.1k or 48k
External clock inputAES/EBU, S/PDIF; 24kHz to 56kHz
LatencyConstant from all inputs to all outputs.
DimensionsActual - 19“ w x 15” d x 12 ¼” h (7RU)
(48 ¼ cm w x 38 ¼ cm d x 31 cm h)
Shipped - 24“ w x 19 ½” d x 18” h
(61 cm w x 49 ½ d x 45 ¾ h)
WeightFully loaded - 44 lbs.
Machine control
Inputs+5 to ground
OutputsDry contact relays
Functionality User definable.
Audio I/O
Number of I/O cardsUp to 8; either analog or digital. Each card has 8 inputs and outputs.
Software configurable as to mono/stereo per c hannel (a card can be 8
mono, 4 stereo, 1 multi track 3 stereo, 2 mono, 2 stereo, 4 mono , 1
stereo, 6 mono, etc.) Definitions can span more than one card
Channel inputsUp to 64
Channel outputsUp to 64
Number of bussesUp to 64; the same as the number of outputs. Busses are user defined.
ConnectorsDB 25; fan out to XLR or punch block (optional)
FeatureAuto calibration - provide a 0 reference tone and the Audio
Engine will calibrate input gain
24Appendix
Audio Engine - AE32 -- Specifications continued
Logitek Digital Consoles
Analog Audio
Balanced/unbalancedUser selectable
Input line level @ -20 dBFSUser definable via software -20 to +8 dBu (no physical trim pots)
Line input impedance50k ohms balanced or 25k ohms unbalanced; bridging
Conversions
A>D20 bit with 128 x oversampling
D>A20 bit with 128 x oversampling
Common mode rejection ratio-90 dB @ 1 kHz
THD+N @ -20 dBFS; 0 dB input.005%
Intermodulation distortion-98 dB
Reference level (relative to -20 dBFS)user definable -10 to +8
Frequency response (20 Hz to 20 kHz)+/- .2 dB
Maximum output level+24 dB
Output impedance30 ohms
Dynamic range105 dB
Slew Rate20 v/ms
Digital Audio
Digital input formatAES/EBU and S/PDIF (selectable by channel)
Digital sampling rates20 bit sample rate converters provided on all inputs.
Autodetect from 24kHz to 56kHz
Input precisionAES/EBU, 0 to 24 bits
S/PDIF, 16 bits, as per specification
AES/EBU output24 bit, 20, 18, 16 bit dithered
S/PDIF output 16 bit, as per specification
Output32k, 44.1k or 48k - AES/EBU or SPDIF (user selectable)
Line input/output impedance110 ohms or 75 ohms; jumper selectable
(75 ohms only on digital card with BNC connectors)
Transformer isolated
THD+N @ -20 dBFS; 24 bits.0002%
Frequency response (20 Hz to 20 kHz)+/- .1 dB
Dynamic range140 dB
OtherSubcode detection (audio/no audio, emphasis, copy protection,
mono/stereo)
Subcode generation (control of all channel status bits)
** Specifications are subject to change **
Appendix25
26Appendix
Logitek Digital Consoles
ROC 10 Installation Cutout
Appendix27
ROC 5 Installation Cutout
28Appendix
Logitek Electronic Systems
Logitek Digital Consoles
TWO YEAR LIMITED WARRANTY
Logitek Electronic Systems, Inc. warrants its professional equipment (excluding Logitek Software, w hich is
covered by a separate warranty) against defects in materials and workmanship for two years pursuan t to the
following terms and conditions. The warranty extends to the original purchaser only.
LOGITEK will repair or replace, at its option, at its factory without charge professional equipment if a
defect in materials or workmanship develops during the first two years following purchase, when the equipment is
returned to the factory or LOGITEK authorized service centers freight prepaid with a description of the nature of the
failure. No reimbursements can be made for repair charges that are not factory authorized. After re pair or
replacement, LOGITEK will return the equipment to the purchaser freight prepaid.
In the event that any part of this professional equipment becomes defective during the first two ye ars
following purchase, and purchaser wishes to attempt repair, purchaser may obtain a replacement part by notifying
LOGITEK of the part of the equipment which has failed. LOGITEK will thereafter ship a replacement p art, freight
prepaid. LOGITEK may require the purchaser to return the defective part to LOGITEK freight prepaid as a
condition of such replacement, either before or after LOGITEK ships the replacement part. LOGITEK s hall not be
responsible for any other charges or liabilities associated with purchaser-made repairs.
No part or equipment shall be considered defective if it fails to operate due to exposure to extrem e
temperatures or excessive moisture in the atmosphere.
Light bulbs, batteries, potentiometers or other equipment not manufactured by Seller shall carry on ly the
warranty, if any, of the original equipment manufacturer in effect at the time of shipment of this order; and Seller’s
obligation under this warranty shall be limited to such adjustment as Seller may obtain from the or iginal
manufacturer.
This limited warranty is void if equipment is modified or repaired without authorization; subjected to
misuse, abuse, accident, water damage or other neglect; or has had its serial number defaced or rem oved.
No obligation is assumed by LOGITEK to update previously manufactured equipment. Specifications are
subject to change without notice. EXCEPT AS SPECIFICALLY PROVIDED HEREIN , LOGITEK MAKES
NO WARRANTY, REPRESENTATION, PROMISE, OR GUARANTEE, EITHER EXPRESS OR
IMPLIED, STATUTORY OR OTHERWISE, WITH RESPECT TO THE EQUIPMENT, USER
DOCUMENTATION OR RELATED TECHNICAL SUPPORT, INCLUDING THEIR QUALITY,
PERFORMANCE, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO
EVENT WILL LOGITEK BE LIABLE FOR INDIRECT, SPECIAL, INCIDENTAL, TORT, ECONOMIC,
COVER, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF OR INABILITY TO USE
LOGITEK PRODUCTS, EQUIPMENT, OR SERVICES, INCLUDING, WITHOUT LIMITATION,
DAMAGES OR COSTS RELATING TO THE LOSS OF PROFITS, BUSINESS, GOODWILL, DATA OR
COMPUTER PROGRAMS, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO
CASE SHALL LOGITEK ‘S LIABILITY FOR MONEY DAMAGES EXCEED THE AMOUNT PAID BY
YOU FOR THE LOGITEK EQUIPMENT OUT OF WHICH SUCH CLAIM AROSE. THE FOREGOING
LIMITATIONS SHALL NOT APPLY TO CLAIMS RELATING TO DEATH OR PERSONAL INJURY
WHICH ARISE OUT OF PRODUCTS DEEMED TO BE CONSUMER GOODS UNDER APPLICABLE
LAW .
Some states or provinces do not allow the exclusion or limitation of implied warranties or limitati on of
liability for incidental or consequential damages, so the above exclusion or limitation may not app ly to you.
The warranty and remedies set forth herein are exclusive and in lieu of all others, oral or written , express or
implied. No Logitek dealer, distributor, agent, or employee is authorized to make any modification or addition to
this warranty.
Appendix29
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