Data Video SE-900 User manual

Digital Video Switcher
SE-900
Instruction Manual
www.datavideo-tek.com

2
Table of contents
Warnings and Precautions.......................................................................................................5
Warranty....................................................................................................................................6
Standard Warranty...........................................................................................................6
Two Year Warranty..........................................................................................................6
Disposal.....................................................................................................................................6
For EU Customers only - WEEE Marking.........................................................................6
Packing List...............................................................................................................................7
Introduction...............................................................................................................................7
Features...........................................................................................................................8
Overview....................................................................................................................................9
Connections & Controls.........................................................................................................10
Base Unit.......................................................................................................................10
Front Panel .................................................................................................................10
Rear Panel..................................................................................................................10
Input, Output & Feature Cards .......................................................................................11
Installing a Card.............................................................................................................13
Power Connections........................................................................................................14
Base Unit ....................................................................................................................14
Control Panel ..............................................................................................................14
Monitor Connections......................................................................................................15
Multi Image Preview....................................................................................................15
Composite Monitor configuration.................................................................................16
Video Connections.........................................................................................................17
Video Inputs................................................................................................................17
Video Outputs .............................................................................................................18
Audio Connections.........................................................................................................19
Set Up Menus..........................................................................................................................20
Overview........................................................................................................................20
1. CHROMA KEY........................................................................................................22
2. VIDEO IN................................................................................................................23
3. VIDEO OUT ............................................................................................................24
4. LOGO (LUMA KEY) ................................................................................................25
5. CG INPUT...............................................................................................................25
6. AUDIO DELAY........................................................................................................26
7. MULTI. IMAGE........................................................................................................26
8. EXT. GENLOCK......................................................................................................27
9. SYSTEM .................................................................................................................27
10. CONTROLLER......................................................................................................27
11. STORE & RECALL................................................................................................27
12. UPDATE FIRMWARE ...........................................................................................28
13. COUNT DOWN TIMER.........................................................................................29
Operation.................................................................................................................................30
Multi Image Preview – Overview....................................................................................30
Modifying the Layout......................................................................................................31
Top or Bottom View.....................................................................................................31

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Setting the Size and Aspect of the Preview Images.....................................................31
Setting the Multi Image Background............................................................................31
Setting the Border Brightness......................................................................................31
Modifying the Labels......................................................................................................32
Control Panel ..........................................................................................................................33
Adjustments and Set Up ................................................................................................34
Modifying the appearance of the Control Panel..............................................................35
Main Source and Sub Source Rails................................................................................36
T-Bar and Take Keys.....................................................................................................38
Transitions and Effect keys............................................................................................39
Transition Keys ...........................................................................................................39
Effects keys.................................................................................................................40
Joystick..........................................................................................................................41
Preset Effects.................................................................................................................41
Level / Speed.................................................................................................................42
Transitions...............................................................................................................................43
Setting the Speed ..........................................................................................................44
Setting the Border Colour and Width..............................................................................44
Previewing a Transition..................................................................................................45
Effects......................................................................................................................................45
PIP - Picture in Picture...................................................................................................45
Setting the Size...........................................................................................................46
Setting the Position .....................................................................................................46
Setting the Border .......................................................................................................47
Setting the Transition ..................................................................................................47
Mosaic ...........................................................................................................................48
Paint ..............................................................................................................................49
Strobe............................................................................................................................49
B/W - Monochrome........................................................................................................50
Colour Correction...................................................................................................................50
Brightness, Contrast, Saturation.....................................................................................51
RGB Correction..............................................................................................................51
AGC - Automatic Gain Control.......................................................................................52
Chroma Keying .......................................................................................................................53
Overview........................................................................................................................53
Setting up a Chroma Key Channel.................................................................................54
Chroma Keying..............................................................................................................58
Changing the Background..............................................................................................59
CK Sync Operation ........................................................................................................60
Luma Keying ...........................................................................................................................61
Setting up a Luma Key...................................................................................................62
Logo Display...........................................................................................................................63
Overview........................................................................................................................63
Setting up a Logo...........................................................................................................63
Luma Keying with Logo Function ...................................................................................64
DSK - Down Stream Keying - CG (Graphic Overlay).............................................................65
Internal DSK ..................................................................................................................66

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External DSK .................................................................................................................66
Internal DSK Settings - SDI Overlay...............................................................................67
External DSK Settings - SDI Overlay .............................................................................67
Audio Delay Circuit.................................................................................................................68
Audio Delay Settings......................................................................................................68
Audio Delay Guide ......................................................................................................69
Storing Presets .......................................................................................................................70
Tally Output.............................................................................................................................71
Tally Output 1 ~ 4...........................................................................................................71
Tally Output 5 ~ 8...........................................................................................................71
GPI Operation..........................................................................................................................72
GPI triggered Playback..................................................................................................72
GPI triggered Recording ................................................................................................72
RS-232 .....................................................................................................................................73
RS-422 .....................................................................................................................................73
Storing and Recalling USER Settings....................................................................................74
Storing User Settings.....................................................................................................74
Recalling User Settings..................................................................................................75
RESET...........................................................................................................................75
PAL - NTSC..............................................................................................................................76
Updating Firmware..................................................................................................................77
NORMAL - Updating......................................................................................................78
Checking Firmware Revisions........................................................................................79
Specifications..........................................................................................................................80
Optional Datavideo Accessory Items for the SE-900......................................................81
Service and Support...............................................................................................................82
Disclaimer of Product and Services
The information offered in this instruction manual is intended as a guide only. At all times, Datavideo Technologies will try to give correct,
complete and suitable information. However, Datavideo Technologies cannot exclude that some information in this manual, from time to
time, may not be correct or may be incomplete. This manual may contain typing errors, omissions or incorrect information. Datavideo
Technologies always recommend that you double check the information in this document for accuracy before making any purchase
decision or using the product. Datavideo Technologies is not responsible for any omissions or errors, or for any subsequent loss or
damage caused by using the information contained within this manual. Further advice on the content of this manual or on the product
can be obtained by contacting your local Datavideo Office or dealer.

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Warnings and Precautions
1. Read all of these warnings and save them for later reference.
2. Follow all warnings and instructions marked on this unit.
3. Unplug this unit from the wall outlet before cleaning. Do not use liquid or aerosol cleaners. Use a
damp cloth for cleaning.
4. Do not use this unit in or near water.
5. Do not place this unit on an unstable cart, stand, or table. The unit may fall, causing serious damage.
6. Slots and openings on the cabinet top, back, and bottom are provided for ventilation. To ensure safe
and reliable operation of this unit, and to protect it from overheating, do not block or cover these
openings. Do not place this unit on a bed, sofa, rug, or similar surface, as the ventilation openings on
the bottom of the cabinet will be blocked. This unit should never be placed near or over a heat
register or radiator. This unit should not be placed in a built-in installation unless proper ventilation is
provided.
7. This product should only be operated from the type of power source indicated on the marking label
of the AC adapter. If you are not sure of the type of power available, consult your Datavideo dealer or
your local power company.
8. Do not allow anything to rest on the power cord. Do not locate this unit where the power cord will be
walked on, rolled over, or otherwise stressed.
9. If an extension cord must be used with this unit, make sure that the total of the ampere ratings on the
products plugged into the extension cord do not exceed the extension cord rating.
10. Make sure that the total amperes of all the units that are plugged into a single wall outlet do not
exceed 15 amperes.
11. Never push objects of any kind into this unit through the cabinet ventilation slots, as they may touch
dangerous voltage points or short out parts that could result in risk of fire or electric shock. Never
spill liquid of any kind onto or into this unit.
12. Except as specifically explained elsewhere in this manual, do not attempt to service this product
yourself. Opening or removing covers that are marked “Do Not Remove” may expose you to
dangerous voltage points or other risks, and will void your warranty. Refer all service issues to
qualified service personnel.
13. Unplug this product from the wall outlet and refer to qualified service personnel under the following
conditions:
a. When the power cord is damaged or frayed;
b. When liquid has spilled into the unit;
c. When the product has been exposed to rain or water;
d. When the product does not operate normally under normal operating conditions. Adjust only
those controls that are covered by the operating instructions in this manual; improper
adjustment of other controls may result in damage to the unit and may often require
extensive work by a qualified technician to restore the unit to normal operation;
e. When the product has been dropped or the cabinet has been damaged;
f. When the product exhibits a distinct change in performance, indicating a need for service.
Care must be taken when connecting a 6pin DV/IEEE-1394 cable into the SE-900 when the other end is
already connected to a computer. Do not attempt to insert the connector backwards as DC power from the
computer is present on the cable and can damage the DV circuits in the SE-900.

6
Warranty
Standard Warranty
•Datavideo equipment is guaranteed against any manufacturing defects for one year from the date of
purchase.
•The original purchase invoice or other documentary evidence should be supplied at the time of any
request for repair under warranty.
•Damage caused by accident, misuse, unauthorized repairs, sand, grit or water is not covered by this
warranty.
•All mail or transportation costs including insurance are at the expense of the owner.
•All other claims of any nature are not covered.
•Cables & batteries are not covered under warranty.
•Warranty only valid within the country or region of purchase.
•Your statutory rights are not affected.
Two Year Warranty
•All Datavideo products purchased after 01-Oct.-2008 qualify for a free one year extension to the
standard Warranty, providing the product is registered with Datavideo within 30 days of purchase. For
information on how to register please visit www.datavideo-tek.com or contact your local Datavideo
office or authorized Distributors
•Certain parts with limited lifetime expectancy such as LCD Panels, DVD Drives, Hard Drives are only
covered for the first 10,000 hours, or 1 year (whichever comes first).
Any second year warranty claims must be made to your local Datavideo office or one of its authorized
Distributors before the extended warranty expires.
Disposal
For EU Customers only - WEEE Marking.
This symbol on the product indicates that it will not be treated as household waste. It
must be handed over to the applicable take-back scheme for the recycling of Waste
Electrical and Electronic Equipment. For more detailed information about the recycling of
this product, please contact your local Datavideo office.

7
Packing List
The following items should be included in the box. If any items are missing please contact your supplier.
1 x SE-900 Main Unit
1 x SE-900 Control Panel
1 x 9 Pin D Sub Cable Male to Female 1.2m
1 x 9 Pin D Sub Cable Male to Male 1.2m
2 x 15 Pin D Sub Cable Male to Female 1.2m
1 x Mains Cable
1 x Power Supply 12V 1.2A (Control Panel)
1 x Switch Mode Power Supply 12V 10A (Base Unit)
1 x Instruction Manual
Introduction
The Datavideo SE-900 is an 8 Channel Standard Definition Video Mixer / Switcher.
The modular design allows any combination of different input and feature cards to be used. Up to 8 input
cards can be fitted, options available are SDI, DV, Analogue (CV / Y/C / Component (YUV)) and DVI.
All Input cards feature a Composite Video Monitor Output at the top of each card, for convenient channel
monitoring.
Six simultaneous output types can be provided;
SDI, Component YUV, DV, Y/C (S-Video) and Composite.
A DVI-D based Multi Channel Preview to one monitor screen helps keeps ancillary equipment to a minimum.
The built in TBC synchronises the channels without the need for external genlock; although you can choose
to add a feature card to allow this. Each channel also has an RGB Colour Processor.
The SE-900 allows options for paired input video channels of foreground and background to be configured to
provide up to 4 Chroma keyed views giving the option to create productions with a virtual studio feel.

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Features
Video Formats - SDI (Support SMPTE 259M-C 270Mbps) - DV interface by DV25 format at Y.U.V. 4:1:1
NTSC or Y.U.V. 4:2:0 PAL 25Mbps bit rate - Analogue Y.U.V. Video (Sony Betacam standard) - Analogue Y/C
and Composite at CCIR601 NTSC/PAL
Video Inputs - 8 input channels with four selectable video modules or cards:
-. SDI input Module
-. DV input Module
-. Component, Composite & S(Y/C) input Module
-. DVI / VGA input Module
Video Output - 5-CH simultaneously video outputs of SDI x 2, DV, YUV, Composite and S (Y/C)
Multi-image monitoring & Preview Output -
Multi-image monitoring output for 8-CH video inputs with PST, PGM and border Tally indication
Audio Inputs – 2x Balanced XLR and 2x Unbalanced RCA Audio Inputs
Audio Output – 2x Balanced XLR and 2x Unbalanced RCAAudio outputs
Audio Sync / Delay Time: - 17 Frames To 0 Frames
8-CH 4:2:2 Frame Synchronizer at 13.5MHz
Chroma-Keyer (Optional Card) -
Supports Chroma-key for up to four live cameras & four backgrounds in Sync. Mode
Optional DSK interface
Digital Effects including
A/B Dissolve, PIP, Border lines, Chroma Key, Mosaic, Art Paint and more than 15 Wipe Effects
With 6 adjustable Transition Speeds
Position Control With Mosaic Effect - Full Screen PIP Position Control by Joystick with 3 Mosaic size options
Colour Processing for each Input Video Channel - Brightness +/-30% - Contrast +/- 6dB - Colour +3/-10dB
R.G.B. White Balance: +/- 10 Degrees
SDI CG Overlay Interface - SDI CG overlay in/out interface supports Blackmagic Design SDI cards
RS-232 & RS-422 remote interface - For Remote Control Panel
Tally Interface - Two D-SUB 15-pin connector for 8 tally outputs
GPI Control - Remote Trigger Control Pre-program Effects from F01 to F10 in Sequence

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Overview
The SE-900 is a modular design; there are two units; the Base Unit and the Control Panel.
The Base Unit is a 19” 4U housing, designed to be rack mounted in a convenient location. The Base Unit is
also modular; you can install up to 8 video input cards of your choice. You can also choose different output
options, and additional feature cards, such as Chroma Key and External Sync. The ‘Bare Bones’Base Unit
is shown below without these optional cards fitted.
The Control Panel is a desk mount unit which attaches to the Base Unit via a single (Sub-D 9 pin) cable. The
Control Panel has all of the controls, and a series of set up menus for configuring the SE-900.
Control Panel - Top
Control Panel - Rear

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Connections & Controls
Base Unit
Front Panel
The front panel of the SE-900 base unit has a ventilation panel; to prevent overheating please ensure that
adequate airflow is provided. The Base Unit also comes with 19” rack mounts already fitted.
Rear Panel

11
Input, Output & Feature Cards
The rear panel features a series of input and output card slots allowing you to choose the inputs that best fit
your application.
N.B. If a card is fitted into the wrong slot it will not operate.
The slots numbered from 9 to 15 are for certain feature or output cards:
Slot 11 - Multi Image Preview Output
This card provides a Composite Video Next Source Output (PST), and 2 DVI-D Multi Image Previews, which
show all the inputs, next source and program out on one widescreen PC monitor or LCD Screen.
Slot 12 - SDI CG Overlay
This card provides an SDI loop through output for adding an SDI Character Generator like CG-100.
Slot 14 - Program Output
This card provides program output, it offers Composite Video, S-Video (Y/C), Component Video (YUV) and
DV Outputs.
Slot 15 - Remote Control
This card provides RS-232C, RS-422 and GPI connections for remotely controlling the SE-900. The card
also features an SD Card slot which enables firmware updates to be loaded.
The above cards form the ‘Bare Bones’system, you will still need to add the input and feature cards of your
choice. When ordering please confirm to your dealer which optional cards you will also require.
The following input and feature cards are optional:
Slots 1 ~ 8 – Input Channels
A mixture of optional Analogue, DV, SDI or DVI input cards can be fitted here.
Slot 9 - Chroma Key Feature Card - adds a 4 Channel Chroma Keyer. With this you can key green, blue or
luma, to create overlay and virtual studio effects.
Slot 10 - External Genlock Feature Card - Allows the SE-900 to be synchronised to an external house sync
source. As standard the SE-900 can synchronise all eight input channels internally.
Slot 13 - SDI Output Feature Card – adds a further 2 SDI program outputs on top of the standard outputs,
these SDI outputs also feature embedded audio which is supplied from the SE-900 Audio Delay circuit.
N.B. If a card is fitted into the wrong slot it will not operate.

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An Example of a fully populated SE-900 base unit could look something like this:
Slots 1 & 2 fitted with Analogue Video Input cards
You can choose a Composite Video, S-Video (Y/C) or Component input with these cards, they also provide a
composite monitor output.
Slots 3 & 4 fitted with SDI Video Input cards
The SDI Input cards take SD-SDI with embedded audio. The cards will de-embed the SDI Audio and provide
balanced audio output via mini XLR connections. They also provide a composite video monitor output.
Slots 5 & 6 fitted with DV Input cards
The DV Input cards breakout the DV audio as balanced audio output via mini XLR Cables. They also provide
a composite video monitor output.
Slots 7 & 8 fitted with DVI / VGA Input cards
Connect a DVI or VGA sources to the SE-900 with this type of card. The DVI Input cards also provide a
composite video monitor output.
Slot 9 can be fitted with an optional Chroma Key card
This optional card adds a 4 channel chroma keyer to the SE-900. It is able to key green, blue or luminance,
according to the effect you’re trying to create. Each of the four channels are independent, so you could have
two green keys, a blue key on the third channel and luma key on the fourth.
Slot 10 can be fitted with an optional External Genlock card
This optional card allows the SE-900 to synch with the rest of your studio equipment and cameras.
Slot 11 Multi Image Preview Out
Multi Image Preview minimises the number of monitors required for a set up. All input channels, the next
source and the Program output channel are all displayed on one screen.
Slot 12 SDI CG Overlay card
This card provides an SDI loop through output for adding an SDI character generator. You could use the
Datavideo CG-100 or CG-350 to add text, graphics, logos etc as a downstream key.
Slot 13 can be fitted with an optional SDI Program Output card
The optional SDI output card provides two SDI outputs with Embedded Audio. Additionally the card provides
a black burst output, for synchronising other equipment to the SE-900.
Slot 14 - Program Output
This card provides program output, it offers Composite Video, S-Video (Y/C), Component Video (YUV) and
DV Outputs. The DV output also carries embedded audio in the video signal.
Slot 15 Remote Control
This card provides RS-232C, RS-422 and GPI connections for remotely controlling the SE-900. This card
also features an SD Card slot which enables firmware updates to be loaded.

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Installing a Card
When fitting a card please ensure that power is off and disconnected from the SE-900
Base Unit. When fitting a card please take anti-static precautions. The minimum anti static
precaution would be to ensure that you are touching the SE-900 Base Unit while fitting the
card, ideally wear an anti static wristband, or ensure that you are properly grounded by any other
means. ESD damage to cards is rare but will not be covered by warranty if it occurs, so be careful.
The SE-900 has been designed to allow I/O Cards to be easily added or changed to suit your requirements.
The SE-900 is supplied with blanking plates, which cover the unused slots.
To remove the blanking plates simply unscrew at the top and bottom of each plate and it will reveal the slot.
To fit a card, ensure that you are grounded and remove the card from its anti static bag.
You will see that there are slots at the top and bottom of each card bay.
Ensure that the card is the right way up, and slide it into position using the card number at the top of the
card/slot. Ensure that the card is travelling in the provided card slots as these will guide the card into place.
Slide it all the way in so the external plate is level/flush with the Base Unit case and then secure it in place
using the two thumb screws.
N.B. If a card is fitted into the wrong slot it will not operate.

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Power Connections
There are two power switches to look at on the SE-900, one on the base unit and the other on the Control
Panel.
Base Unit On / Off Switch
Control Panel On / Off Switch
Base Unit
Connect the supplied 12V 10A power supply to the DC Power Input on the rear of the Base Unit. The power supply
should be connected to a suitable mains electric outlet using the supplied mains cable. A case earth connector is also
provided.
Control Panel
The Control Panel has a DC In socket on the rear panel, and a 12v 1200mA power supply is supplied.
If you are using a short connection between the Base Unit and the Control Panel it is not necessary to use it.
With Sub D 9 Pin cables of up to 10m it should not be necessary to use the additional power supply for the
control panel, as power can be drawn from the Base Unit, with longer cables the power loss may be too
great.
If the connection between the Control Panel and the Base Unit is longer than 10m then it will be necessary to
use the Control Panel power supply. Connect the power supply to the Control Panel DC In. Connect the
power supply to a suitable mains electric outlet. A control panel case earth connector is also provided.

15
Monitor Connections
Multi Image Preview
It is possible to operate the SE-900 with just one TLM-170 monitor. The Multi Image Preview, supplied from
card/slot 11, can provide images from all eight inputs plus next source preview (PST) and output (PGM). It
will also supply basic tally information by highlighting the live source with a red border, and the cued source
with a yellow border. A DVI-D compatible cable or monitor is required.
The Multi Image Preview output is supplied via the DVI-D type connections from Card 11. A DVI-D to HDMI
cable could be used to supply the SE-900 Multi Image Preview to a Datavideo TLM-170 monitor or another
compatible DVI-D / HDMI monitor of your choice. See Set Up Menus - Multi Image.

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Composite Monitor configuration
Each Video Input Card (Slots 1~8) have a composite monitor output at the top, and in addition to the multi
image preview, Card 11 also has a Composite Next Source (PST) output. Using these monitoring outputs it
is possible to connect monitors, one for each input plus one for PST and one for PGM, to the SE-900.
Illustrated below are two Datavideo TLM-404H (4 x 4” Monitors) these are connected to the Composite
Monitor outputs from Cards 1~8 on the SE-900 rear panel.
The illustration also shows one Datavideo TLM-702 (2 x 7” Monitors) connected to the PST / Next Source
Composite output from Card 11 and the Program (PGM) Composite output from Card 14.
It would also be possible to use the tally lights on the TLM-404H monitors, which would require two 15 Pin
Sub D cables connected to the Tally Output sockets labelled 1~4 and 5~8 on the SE-900.

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Video Connections
Video Inputs
The SE-900 can be configured to have an endless combination of different video inputs.
This unlikely illustration shows examples of the different input types that could be connected.
Analogue input cards can be set to accept either a CV(Composite), Y/C (S-Video) or YUV (Component)
Video Input via the SE-900 Set Up Menu - see Set Up Menus - Video Infor details.
DVI / VGA input cards can be set to accept either DVI-D or VGA inputs at resolutions of 1280x1080,
1024x768 or 800x600 depending on the graphics capability of the PC or Laptop connected. Again the
connection type and resolution input should be set via the SE-900 Set Up Menu - see Set Up Menus -
Video Infor details.

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Video Outputs
The SE-900 has multiple Program video outputs. It is possible to output SD-SDI, DV, Component (YUV (Y
Pb Pr)) , Composite and S-Video. The SDI and DV outputs can include embedded audio from the SE-900
Audio Delay Circuit.
The SDI Card also has a Black Burst Output to allow synchronisation with other devices.
This example does not utilise all of the outputs, but it gives some examples of the possible applications.

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Audio Connections
The SE-900 does not have any audio mixing capabilities but it does feature an Audio Delay Circuit. It is also
able to de-embed audio streams from DV and SDI inputs, and supply balanced audio from each of these
input channels.
Each DV or SDI Video Input card has two miniature 3pin XLR audio connections, these provide balanced
audio for you to feed to into an external audio mixer or direct to the SE-900’s Audio Delay Circuit input.
The SDI Input card settings can be used to select the SDI audio channels that you wish to de-embed - see
Set Up Menus - Video In for details.
The Audio Delay Circuit allows you to add a delay to the audio stream in order to maintain video and audio
lip-sync on your recordings. For setting up the delay please see Set Up Menus - Audio Delay and Audio
Delay Circuit.
Depending on the type of video inputs and outputs being used the SE-900 will delay the video passing
through it by up to 4 frames, so the audio may need to be delayed by the same amount.
The output from the Audio Delay Circuit is automatically embedded into the DV and SDI Video Outputs on
cards 13 and 14 and is also available as Balanced and Un-balanced Stereo Audio Outputs from the Audio
Delay Circuit directly.
There are a number of ways that you may want to use the Audio Delay Circuit, here are three examples.
1. You could take a Balanced or Un-balanced feed from the PA system that’s in use at the shoot and
feed that directly to the Audio Delay Circuit.
2. You could take a feed from one of your DV or SDI Video Inputs and feed that directly to the Audio
Delay Circuit.
3. You could take audio out from each of your DV and SDI Video Inputs, feed them all to a separate
audio mixer, and then take the balanced output of this audio mixer and put it through the Audio
Delay Circuit.
See Audio Delay Circuit on page 68 also.

20
Set Up Menus
The SE-900 is set up by a series of menus. Once the initial settings have been made they are stored in the
system, so it may be only necessary to make these changes once.
Overview
The LCD display initially shows the current configuration of the SE-900
TRANS. confirms the currently selected transition type. The speed of the transition - SPD
Whether a border has been selected, and the colour and size of the border - BDR
The selected background colour - BG
The Cued Source – PST and the Live Source - PGM
Menus are accessed using the SETTING Key and navigated using the Menu Keys, and the Adjust Knob.
The System Set Up Menu options then appear in the LCD Display of the Control Panel.
To navigate up and down through the various options you can rotate the Adjust Knob or use the Up / Down
Keys. To select a line press the Enter Key or press in the Adjust Knob.
N.B. The Control Panel does not operate the SE-900 while any Set Up Menus are displayed.