Miranda DVC-800 Instruction Manual

DVC-800/820
Downconverter
and DV Encoder
for HD Acquisition
Guide to Installation and Operation
M619-9900-200
Copyright 2003 Miranda Technologies Inc.
Specifications may be subject to change.
Printed in Canada
August 2003
DVC-800/820
Miranda
Technologies inc.
3499 Douglas-B.-Floreani
St-Laurent, Québec, Canada H4S 1Y6
Tel. [phone]
Fax. [phone]
www.miranda.com

GUIDE TO INSTALLATION AND OPERATION
DVC-800/820 | i
Warranty Policies
Warranty Statement
Miranda Technologies Inc. warrants that the equipment it manufactures shall be free from defects in material and workmanship
for a period of two (2) years from the date of shipment from the factory. If equipment fails due to such defects, Miranda
Technologies Inc. will, at its option, repair or provide a replacement for the defective part or product. Equipment that fails after
the warranty period, has been operated or installed in a manner other than that specified by Miranda, or has been subjected to
abuse or modification, will be repaired for time and material charges at the Buyer’s expense.
All out-of-warranty repairs are warranted for a period of ninety (90) days from the date of shipment from the factory.
Miranda Technologies Inc. makes no other warranties, expressed or implied, of merchantability, fitness for a particular purpose
or otherwise. Miranda’s liability for any cause, including breach of contract, breach of warranty, or negligence, with respect to
products sold by it, is limited to repair or replacement by Miranda, at its sole discretion. In no event shall Miranda Technologies
Inc. be liable for any incidental or consequential damages, including loss of profits.
Effective January 1, 2002
Warranty Exchange Policies
Miranda Technologies Inc. warrants that the equipment it manufactures shall be free from defects in materials and workmanship
for a period of two (2) years from the date of shipment from the factory. If equipment fails due to such defects, Miranda will
provide repair of the failed unit under the terms of the Miranda warranty.
If the equipment has been proven to be defective on arrival, Miranda will ship a new product in exchange, usually within 36
hours of factory notification.
If the equipment to be repaired is essential and the customer so requests, Miranda will, at its option, provide a service
replacement or loaner part or product, usually within 36 hours of factory notification, weekends and holidays excluded.
All warranty exchange or loaner parts or products shall be shipped to the Buyer with a packing list clearly describing the items
and stating the date of shipment. Repaired parts or products will be shipped to the Buyer with a similar packing list. In the case
of exchange, the defective products or parts must be returned to Miranda within fifteen (15) days from receipt by the customer of
the exchange product. In the case of a loaner, the loaned products or parts must be returned to Miranda within fifteen (15) days
from receipt by the customer of the repaired equipment.
If the equipment is not returned within fifteen (15) days, as described for either exchanges or loans, A Rental Invoice will be
generated. Rental terms will be fifteen (15) percent of the current list price of the products or parts per month or a fraction
thereof. Before returning the equipment to Miranda Technologies Inc., for any reason, the Buyer must first obtain a Return
Authorization Number from Miranda Technologies Inc. Miranda Technologies Inc will pay freight and insurance charges for the
delivery of the loaner or exchange products or parts. Freight and insurance charges for the return of the defective product or
part will also be paid by Miranda Technologies.
Out-Of-Warranty Repair Policy
Miranda will service out-of-warranty repairs using the following model:
Miranda will charge 15% of the current list price of the product, with a minimum charge of $150. Products whose list price is
under $150 will be replaced at a charge equal to current list prices. In the case of obsolete products, the last published list price
for the products will apply. In the case of a product deemed beyond repair, the customer must purchase a new product at
current retail prices. All out-of-warranty repairs are warranted for a period of 90 days from the date of shipment from the factory.
Before returning the equipment to Miranda Technologies Inc., for any reason, the Buyer must first obtain a Return Authorization
Number
from Miranda Technologies Inc.
The Buyer will pay freight and insurance charges for the return of the defective product or part to the manufacturer for repair.
Miranda
Technologies will pay freight and insurance charges for the return of the repaired product or part to the Buyer.
Out-Of Warranty Equipment Updates and Spare Parts Policy
Miranda Technologies will charge cost plus 20% of the parts costs and $40.00 shipping and handling for out-of-warranty
equipment updates, or the sales of spare parts.

GUIDE TO INSTALLATION AND OPERATION
ii | DVC-800/820
Safety Compliance Information
Safety Compliance
This equipment complies with:
- CAN/CSA C22.2 No. 950-95 / Safety of Information Technology Equipment, Including Electrical Business Equipment.
- UL Std. No. 1950, 3rd Ed. / Safety of Information Technology Equipment, Including Electrical Business Equipment.
- EN 60950:1992 (2nd edition) Incorporating A1, A2, A3, A4, and A11/ Safety of Information Technology Equipment,
Including Electrical Business Equipment.
CAUTION
These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not
perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Refer all
servicing to qualified service personnel. Servicing should be done in a static-free environment.
Electromagnetic Compatibility
- This equipment has been tested for verification of compliance with FCC Part 15, Subpart B, class A requirements for
Digital Devices.
- This equipment complies with the requirements of:
EN 55022 Class A, Electromagnetic Emissions,
EN 61000-3-2 & -3-3, Disturbance in Supply Systems
EN 61000-4-2, -3, -4, -5, -6, -8 & -11 Electromagnetic Immunity
How to contact us:
Head Office Miranda Europe Miranda Asia
Miranda Technologies Inc. 222, 226 Rue De Rosny Mita Nexus Bldg. 2F
3499 Douglas-B.-Floreani 93100 Montreuil 1-3-33 Mita, Minato-Ku
St. Laurent (Montreal), Que. H4S 1Y6 France Tokyo, Japan 108-0073
Canada
Tel [phone] [phone] [phone]
Fax [phone] [phone] [phone]
Toll free: 1-800-224-9828
www.miranda.com

GUIDE TO INSTALLATION AND OPERATION
DVC-800/820 | iii
Table of Contents
1 DVC-800/820 Downconverter and DV Encoder for HD Acquisition ........................... 1
1.1 Introduction...............................................................................................................................................1
1.2 Features ...................................................................................................................................................2
2 Installation....................................................................................................................... 4
2.1 Unpacking.................................................................................................................................................4
2.2 Mechanical Installation –DVC-800 on Sony cameras.............................................................................4
2.3 Mechanical Installation –DVC-820 on Panasonic cameras ....................................................................5
2.4 Electrical Installation.................................................................................................................................5
2.4.1 Camera and Battery connectors........................................................................................................5
2.4.2 Inputs and Outputs.............................................................................................................................6
2.4.3 Analog audio Connector Layout ........................................................................................................6
2.4.4 Serial Communication Connector (RS-232) Layout ..........................................................................7
2.5 Provision for mounting of custom accessories.........................................................................................7
3 Configuration ..................................................................................................................8
3.1 Large-scale production.............................................................................................................................8
3.2 Stand-alone Operation .............................................................................................................................8
4 Operation......................................................................................................................... 9
4.1 Powering Up.............................................................................................................................................9
4.2 Local User Controls..................................................................................................................................9
4.2.1 POWER .............................................................................................................................................9
4.2.2 SAFETY ZONE ..................................................................................................................................9
4.2.3 MARKERS .........................................................................................................................................9
4.2.4 CENTER MARK.................................................................................................................................9
4.2.5 STATUS LEDS ..................................................................................................................................9
4.2.6 Dip Switches ....................................................................................................................................10
4.3 Supported HD Video Frame Rates ........................................................................................................10
4.4 Video Operation .....................................................................................................................................11
4.4.1 Video Source Selection ...................................................................................................................11
4.4.2 Markers ............................................................................................................................................11
4.4.3 Using the Aspect-Ratio Converter ...................................................................................................11
4.4.4 On-Screen Display (OSD) Configuration.........................................................................................13
4.4.5 Frame rate conversion from 23.98sF to 29.97 ................................................................................13
4.4.6 DV Operation & External Device Control.........................................................................................14
4.4.7 DV VTR Control via Software ..........................................................................................................14
4.5 Audio Operation .....................................................................................................................................14
4.6 Time Code Operation .............................................................................................................................16
4.6.1 Time Code source selection ............................................................................................................16
4.6.2 User Bits ..........................................................................................................................................17
4.7 Metadata and Telemetry ........................................................................................................................17
4.7.1 Telemetry Mode ...............................................................................................................................17
4.7.2 Control Mode ...................................................................................................................................17
5 Specifications ............................................................................................................... 18
5.1 Input Specifications ................................................................................................................................18
5.2 Output Specifications .............................................................................................................................18
5.3 Power Specifications ..............................................................................................................................19
5.4 Processing Performance ........................................................................................................................19
5.4.1 Video................................................................................................................................................19
5.4.2 Audio................................................................................................................................................19
5.4.3 Time Code .......................................................................................................................................20

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iv | DVC-800/820

GUIDE TO INSTALLATION AND OPERATION
DVC-800/820 | 1
1 DVC-800/820 Downconverter and DV Encoder for HD Acquisition
1.1 Introduction
The DVC-800/820 is the latest in camera-adapted conversion devices from Miranda and was designed to
enhance electronic acquisition of material using HD cameras such as the SONY HDCAM (DVC-800) or
Panasonic Varicam (DVC-820). The DVC-800/820 provides a unique combination of outputs and
functionality to facilitate monitoring, review and approval, rough cut editing and the preparation of dailies
while on set. Designed in cooperation with a number of electronic acquisition pioneers, the DVC-800/820 is
the indispensable tool for electronic acquisition.
The SD video signal output allows the use of inexpensive monitors instead of costly high definition monitors.
The DVC-800/820 provides a built-in aspect-ratio converter allowing 16:9 images to be displayed on 4:3
monitors. The built-in 4:3 and 16:9 graticule generator allows on-screen display of aspect ratio markers. Also,
the OSD (On-Screen Display) unit allows information such as time code and scene numbers to be directly
seen on the screen on any down-converted outputs. The DVC-800/820 also does conversion from DV to
composite and SD SDI. The DVC-800/820’s low power consumption and miniature package make it ideal for
on-site applications.
Figure 1.1 Block Diagram
DAC
HD Digital
//
HD SDI
IN
Audio TC
Composit
Y
DV
CODEC
DV from/to
IEEE-1394
Formatter
Down
Scaler
and
ARC
IEEE-1394
Graticule
Burn In
C
OSD
Audio/TC
Mux +
// to Serial
HD SDI
SDI
Audio/TC
Mux +
// to Serial
Composit
Encoder
+
D to A
uControler
AES 2
Ch 3/4
// HD
AES 1 Ch-1/2
Camera
Audio
Analog
Audio
O
DC IN
Belt
POWER
DC Out
To
C
SD
TC In
AES In
AES 2 Ch 3/4
AES Out
PDA Ctl,
GPI,
Telemetr
DC IN
Battery
HD Cam
AES 2
AES 1
SD DV
SD Cam
SD Cam
SD DV
10-bit
8-bit
10-bit
TC
TC
Cam TC
AES 1
AES 2
HD SDI
Audio TC
SD Cam
Cam TC
Audio TC
SD Play
Video
LTC
(DVC-800 only)

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2| DVC-800/820
1.2 Features
Video Input
One (1) HD SDI input
¾Extraction of embedded audio group 1
¾Extraction of ATC (video time code)
One (1) SONY HDCAM Parallel video input with audio (DVC-800 only)
¾Channel 1/2 audio input from camera
¾Channel 3/4 audio output to camera
Pseudo-Automatic frame rate detection of HD video input
Down-converted HD Formats:
1920x1080i/59.94 1920x1080p/29.97sF 1920x1080i/50 1920x1080p/25sF
1920x1080p/23.98sF 1280x720p/59.94 1280x720p/50
Pass-through mode formats (to HD SDI out only)
1920x1080i/60 1920x1080p/30sF 1920x1080p/24sF 720p/60
Automatic or Manual selection between HD SDI or HDCAM SONY video input (DVC-800 only)
Video Output
Two (2) HD SDI outputs including:
¾Four (4) embedded audio channels
¾ATC video time code (line 10)
One (1) down-converted 10-bit SDI output including:
¾4 embedded audio channels
¾DVITC (lines 14/16 and 277/279 in 525, lines 19/21 and 332/334 in 625)
¾Graticule markers (selectable ON/OFF)
¾Burned-in information such as time codes (Selectable ON/OFF)
Down-converted 525/625 DV output via IEEE-1394 including:
¾Two 16-bit audio channels (48KHz) selectable between channels 1/2 and 3/4
¾Video and audio time codes
¾Telemetry and metadata related to the scenes annotations
¾Burned-in information such as time codes (Selectable ON/OFF)
Down-converted composite (NTSC/PAL) and luminance (Y) output
¾VITC insertion (lines 14/16 and 277/279 in 525, lines 19/21 and 332/334 in 625)
¾Burned-in information such as time codes (Selectable ON/OFF)
¾Graticule markers
Aspect-ratio conversion allows:
¾Display of 16:9 camera output on 4:3 (letterbox) or 16:9 monitors
¾Predefined settings for resizing/cropping video in 4:3, 13:9, and 14:9 aspect ratio
Selectable Graticule markers (for SD SDI, Composite/Y only):
¾Safety zone markers for 4:3, 13:9, 14:9 selectable 50% transparent, line or opaque
¾Safe title (80%), safe area (90%), 92.5%, 95%, 90% of 4:3
¾One (1) user-programmable marker
¾Two (2) types of center cross
General
One RS-232 port, selectable for telemetry or control
Analog audio output for monitoring channels 1/2 or 3/4
Battery Pack style, attached directly to the camera
Optimized power consumption - only the circuits in use are powered
Auto Power Off
DV power management
DV sequence playback to SDI and Composite/Y
¾Automatic detection of 525/625

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DVC-800/820 | 3
¾DV/DVCPRO1compatible
¾Burned-in metadata information
Special
Frame rate conversion from 23.98sF to 59.94i using conventional 3:2 pull-down sequence
¾White line insertion (line 12) on Composite/Y and SDI output for flagging 1st frame of the
sequence
¾Time code processing from 24f/s to 30f/s (non-drop frame only)
External DV Device Control capabilities (AV/C protocol)
Audio LTC input
¾Replaces channel 4 of the embedded audio when present
¾Can be inserted in DV as metadata
Distinct graticule markers settings in DV playback mode and in normal mode
Default configuration settings: for burned-in information and the user marker
1Locked audio not supported for DVCPRO

GUIDE TO INSTALLATION AND OPERATION
4| DVC-800/820
2 Installation
2.1 Unpacking
Make sure the following items have been shipped with your DVC-800/820. If any of the following items are
missing, contact your distributor or Miranda Technologies Inc.
•DVC-800 or DVC-820 Downconverter and DV encoder for HD Acquisition
•This manual
2.2 Mechanical Installation – DVC-800 on Sony cameras
The DVC-800 is installed at the rear of the camera body, positioned between the camera and the external
battery, and incorporates connectors and hardware which allow it to attach and connect to these two
components. The DVC-800 is designed to work with Sony HD cameras, and a variety of batteries, e.g. IDX,
Anton Bauer or PAG. These batteries have different mechanical interfaces, so it is necessary to specify the
battery type when ordering your DVC-800.
To install the DVC-800 on the Sony HDCAM:
•remove the external battery or any other attachments on the rear of the camera body
•remove the small cap protecting the camera connector by removing the attaching screw.
•position the DVC-800, and push in and down until the HD CAM connector on the camera body mates
with the connector on the DVC-800
•tighten the two screw fasteners on the upper bracket to secure the DVC-800 in position
•Re-install the external battery or other attachment onto the rear of the DVC-800 case
Figure 2.1 Mechanical installation of the DVC-800

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DVC-800/820 | 5
2.3 Mechanical Installation –DVC-820 on Panasonic cameras
The DVC-820 is installed at the rear of the camera body, positioned between the camera and the external
battery, and incorporates hardware which allows it to attach to these two components. The DVC-820 is
designed to work with Panasonic Varicam cameras, and a variety of batteries, e.g. IDX, Anton Bauer or
PAG. These batteries have different mechanical interfaces, so it is necessary to specify the battery type
when ordering your DVC-820.
To install the DVC-820 on the Panasonic Varicam:
•remove the external battery or any other attachments on the rear of the camera body
•position the DVC-820 to the left of the camera body, engage the two pins on the mechanical connector.
and push in and to the right until the mechanical connectors snap into place.
•Re-install the external battery or other attachment onto the rear of the DVC-820 case
2.4 Electrical Installation
2.4.1 Camera and Battery connectors
The Sony HDCAM connector is integral to the mounting bracket of the DVC-800, and connection is made
when the DVC-800 is mounted on the rear of the camera body. As well, the external DC input is passed
through the DVC-800.
All signal connections to the DVC-820 are established through external cables, as there is no integral
connector on the camera body except for the battery power connector.
Figure 2.2 Mechanical installation of the DVC-820

GUIDE TO INSTALLATION AND OPERATION
6| DVC-800/820
2.4.2 Inputs and Outputs
All remaining input and output connectors are located on the side of the DVC-800/820 body. The figure
shows the location of the various connectors.
2.4.3 Analog audio Connector Layout
Connector type: Hirose, part # HR10A-7P-6P
Figure 2.4 Analog audio connector layout
DV in/out (IEEE-1394)
AES in
ANALOG AUDIO out
RS-232
SDI out
Y out HD SDI out 2
COMPOSITE out
HD SDI out 1
HD SDI in
AUDIO LTC in
LTC in
External DC in
Figure 2.3 Location of connectors on the DVC-800/820
DIP switches
1 = Ground
2 = Reserved
3 = Reserved
4 = Audio out signal Ground
5 = Audio Out Right
6 = Audio Out Left
4
6
5
43
2
1

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DVC-800/820 | 7
2.4.4 Serial Communication Connector (RS-232) Layout
To force the HD SDI input at all times, short pin 9 to pin 5 (ground). See the discussion on video source
selection in Section 4.4.1
Figure 2.5 Serial communications connector (RS-232) layout
2.5 Provision for mounting of custom accessories
Two threaded holes (6-32; maximum penetration 3/16”or 0.188”) are provided on the camera side of the
DVC-800/820 to allow custom brackets to be attached for the mounting of external accessories. See Fig. 2.6.
Fig. 2.6 Threaded holes for mounting accessory support brackets
* WARNING
The 3.3VDC pins should be used with caution.They
are meant to power external devices drawing less
than 2mA. Do not short to ground. Any misuse may
cause permanent damage to the unit
1 = NC
2 = (Rx) Receive (Input)
3 = (Tx) Transmit (output)
4 = 3.3VDC*
5 = Ground
6 = NC
7 = 3.3VDC*
8 = NC
9 = Force HD SDI input
21345
678 9

GUIDE TO INSTALLATION AND OPERATION
8| DVC-800/820
3 Configuration
3.1 Large-scale production
The figure below illustrates a production configuration involving all of the inputs and outputs available on the
DVC-800/820. Observe how master recordings, dailies, on-set monitoring and off-line post-production
capabilities are all supported and facilitated through the use of the DVC-800/820. Subsets of this
configuration may be appropriate for less complex production situations.
3.2 Stand-alone Operation
One useful application for the DVC-
800/820 involves the use of a DV recorder
installed between the DVC-800/820 and
the battery, as shown in figure 3.2. This
recorder, supplied with DV video and time
code through the IEEE-1394 feed,
records a low-definition copy of the
master recording which is being recorded
on the camera’s HD cassette. This can be
used immediately for off-line post
production or dailies, eliminating the need
for dubbing after production is completed.
Figure 3.1 DVC-800/820 at the center of a studio production
DV Drive
Figure 3.2 Stand-alone operation of the DVC-800/820

GUIDE TO INSTALLATION AND OPERATION
DVC-800/820 | 9
4 Operation
4.1 Powering Up
Use the Power button (section 4.2.1) to toggle between:
1. ON (ON LED is lit)
2. AUTO OFF (both LEDs are lit) If there is no Input signal for more than 30 seconds, the unit will turn off
3. OFF (both LEDs are off) The unit is OFF (Note: no power is consumed when the unit is OFF)
Use the dip switches HD OUT and SD OUT (see section 4.2.6) to control the power to the indicated output.
4.2 Local User Controls
The side panel incorporates 4 pushbuttons and 14 LEDs grouped into 5 sections (see fig.4.1):
4.2.1 POWER
Pushbutton: Power mode cycles through ON, AUTO OFF, and OFF
LEDs (2): ON Illuminated in ON and AUTO OFF modes
AUTO OFF Illuminated in AUTO OFF mode (turns unit OFF if there is no input
signal for more than 30 seconds)
4.2.2 SAFETY ZONE
Pushbutton: Selects between OFF, 80%, 90%, 92.5%, 95%, 4:3
LEDs (4): 80%, 90%, 92.5%, 95%
(both 80% and 90% illuminate to indicate 4:3 mode)
4.2.3 MARKERS
Pushbutton: Selects between OFF, 4/3, 13/9, 14/9, FILM
LEDs (3): 4/3, 13/9, 14/9
(both 4:3 and 13:9 illuminate to indicate FILM mode)
4.2.4 CENTER MARK
Pushbutton: Cycles between ON (normal cross), ON (small cross) and OFF
LED: ON Illuminates when Centre Mark is turned ON (either size)
Note: Two different sets of settings for the markers are stored in the DVC-800/820 - one for
the down-converter mode, and one for the DV playback mode. These settings are memorised
and retained when the unit is turned off.
4.2.5 STATUS LEDS
LEDs (4):
HD IN PRESENCE GREEN: HD signal detected at the input
[POWER STATUS}
HD OUT GREEN: HD-SDI output is active
SD OUT GREEN: SD outputs (SDI and analog) are active
DV GREEN: A device is connected to the Firewire plug and powered on.
(discussion in section 4.1)
(discussion in section 4.4.2)
Figure 4.1
Side panel

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10 | DVC-800/820
4.2.6 Dip Switches
There are 16 dip-switches located on the upper side panel of the DVC-800/820, laid out as shown in the
figure below.
Figure 4.2 DIP-switch layout
These switches have the following functions:
FR (frame rate) Selects between 60/30/24 or 59.94/29.97/23.98 for HD standard detection
FORMAT Selects between PsF or i for HD standard detection
MARKERS Selects between Mask or Line for the markers (See section 4.4.2)
MASK Selects between 50% transparent or Black. (See section 4.4.2)
SDI MARKERS Toggles the markers ON/OFF for the SD SDI output
OSD SDI Selects between ON or OFF for OSD on SDI output
OSD COMP/Y Selects between ON or OFF for OSD on composite and Y output
OSD DV Selects between ON or OFF for OSD on DV output
DISPLAY Selects between 4/3 or 16/9 monitors (See section 4.4.2)
DV DEF. STD Selects between 525 or 625 for DV default standard
DV FORMAT Selects between DV or DVCPRO25 compression
DV AUDIO Selects the audio to record in DV among the 4 available audio channels
CAM = Camera audio (either from HD SDI or form SONY connector)
AES = From the AES input
DV CTRL Enable/Disable the DV device control option (See section 4.4.6)
RS232 Selects between Telemetry or Control (See section 4.7)
POWER MGNT (see section 4.1)
HD OUT Selects between AUTO or OFF for power on the HD SDI output
SD OUT Selects between AUTO or OFF for power on composite, Y and SDI outputs
4.3 Supported HD Video Frame Rates
Table 4.1 – Supported HD Video Frame Rates
LINE
24/30/60
i
MASK
23.98/29.97/59.94
PsF
ON
OFF
50% BLACK
MASK:
OFF
OFF
SDI MARKERS:
ON
ON
ON
AES
16/9
625
OFF
CAM
4/3
525
CTRL TELEMETRY
OFF
OFF
HD OUT:
SD OUT:
ON
ON
FR:
FORMAT:
MARKERS:
DISPLAY:
RS-232:OFF ON
COMP/Y:
DV:
SDI:
OSD
FORMAT:
AUDIO:
DEF. STD:
DV
CTRL:
POWER
MGNT
DVCPRO25DV
SDI/DV/CVBS/Y
Time Code
SDI/DV/CVBS/Y
Time Code
HD SDI
29.97Hz
25Hz
NDF
n/a n/a n/a n/a
DF
n/a n/a n/a n/a
NDF
OK
30 f/s NDF
n/a n/a
DF
OK
30 f/s DF
n/a n/a
50i
-
n/a n/a
OK
25 f/s
50i
NDF
n/a n/a n/a n/a
DF
n/a n/a n/a n/a
NDF
OK
30 f/s NDF
n/a n/a
DF
OK
30 f/s DF
n/a n/a
25PsF
-
n/a n/a
OK
25 f/s
25PsF
24PsF
-
n/a n/a n/a n/a
24PsF
23.98PsF - 3:2 Pull Down 30 f/s NDF
n/a
n/a
23.98PsF
30PsF
29.97PsF
DVC-800 OUTPUT
59.94i
60i
59.94i
CAMERA FORMAT
30PsF
29.97PsF
60i

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DVC-800/820 | 11
4.4 Video Operation
4.4.1 Video Source Selection
If DV is present on the IEEE1394 input to the DVC-800/820, it is by default converted and sent to the SD
video outputs (composite,Y,SDI).
When there is no DV input to the DVC-800, the output is derived from one of the two HD inputs:
- If a signal is present on the HDCAM connector, it is selected
- If no signal is present on the HDCAM connector, the HD SDI input is selected
- The user can short a pin on the RS-232 connector to force the HD SDI input to be selected (see section
2.3.3 for details)
When there is no DV input to the DVC-820, the output is derived the HD-SDI input.
The input video format is detected automatically within groups which are selected by the user using the
Frame Rate dip-switch and the i/PsF dip-switch. Here is a table of the supported formats and the state of
those switches for each case.
HD Format Dip switch state
1080i59.94
1080i50
720p50
720p59.94
24/30/60
i
23/29/59
PsF
FR. RATE:
FORMAT:
1080p29.97sF
1080p23.98sF
1080p25sF
24/30/60
i
23/29/59
PsF
FR. RATE:
FORMAT:
720p60
1080i60 24/30/60
i
23/29/59
PsF
FR. RATE:
FORMAT:
1080p30sF
1080p24sF
24/30/60
i
23/29/59
PsF
FR. RATE:
FORMAT:
4.4.2 Markers
There exist multiple configurations for the markers. They are configured using the dip-switches and the
buttons on the DVC-800/820 case. Figure 4.3 on the next page shows each configuration and its
corresponding dip-switch position. Note that there is no black mask in 4:3 display mode. Instead the screen
is scaled to fit the selected aspect ratio. This mode activates the aspect-ratio converter (ARC).
The markers are always visible on the Composite/Y outputs. They can be set to ON or OFF on the SD SDI
output. They are never present on the DV output.
The FILM marker is use-programmable via software. The factory default is 1.85:1 aspect ratio.
4.4.3 Using the Aspect-Ratio Converter
The aspect-ratio converter (ARC) can be enabled only with 4:3 monitors. To activate the ARC:
Set the dip switch DISPLAY to the position 4/3
Set the dip switch MARKERS to the position Mask.
Set the dip switch MASK to the position Black.
Use the Markers button on the control panel to choose the aspect-ratio
The result is shown on the right-hand column of figure 4.3. The ARC affects all down-converted outputs.
Table 4.2 dip-switch settings for video source selection

GUIDE TO INSTALLATION AND OPERATION
12 | DVC-800/820
Figure 4.3 Marker configurations

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DVC-800/820 | 13
4.4.4 On-Screen Display (OSD) Configuration
It is possible to display the following elements on the screen:
Main Title
Scene Description
Episode Number
Scene Number
Shot Number
Take Number
Reel Number
Director's name
Cameraman's name
Camera Number
Lens description
Location
Circled take
UMID 32 Bytes Binary
Producer's name
10 User-defined fields
HD TC Position
Rec Video TC Position
Rec Audio TC Position
HD Video Format
Start Time
Title TC Position
Recorded Date
The OSD screen can display 12 lines of 28 characters.
The user-defined fields allow the display of almost anything on the screen. The configuration of the OSD can
be accomplished using software available on Miranda’s web site. Software is available for both PC and PDA
platforms. For more information on how to configure the OSD, see section 4.7.2.
The OSD can be turned ON and OFF independently on the SDI, COMPOSITE/Y and DV outputs. Select the
desired status using the three OSD dip-switches (see section 4.2.6).
4.4.5 Frame rate conversion from 23.98sF to 29.97
When 23.98sF HD formats are input to the DVC-800/820, a frame rate conversion is done automatically.
The process involves a conventional 3:2 pull-down sequence. The DVC-800/820 uses the video time code to
synchronize the sequence. The pull-down sequence, and the resulting frame correspondence over a period
of 1 second are shown in figure 4.4.
Figure 4.4 Frame-rate conversion using 3:2 pull-down
A1 A2 B1 B2 B1 C2 C1 D2 D1 D2
:00 :01 :02 :03 :04
A1 A2 B1 B2 C1 C2 D1 D2
:00 :01 :02 :03
1080p23.98sF
525i
24fps
30fps :26 :27 :28 :29
:00 :01 :02 :03 :04 :05 :06 :07 :08 :09 :10 :11 :12 :13 :14 :15 :16 :17 :18 :19 :20 :21 :22 :23 :24 :25
:00 :01 :02 :03 :04 :05 :06 :07 :08 :09 :10 :11 :12 :13 :14 :15 :16 :17 :18 :19 :20 :21 :22 :23
1 second

GUIDE TO INSTALLATION AND OPERATION
14 | DVC-800/820
4.4.6 DV Operation & External Device Control
The DVC-800/820 is able to encode or decode DV25 and DVCPRO252video formats in 525-line or 625-line
format (corresponding to the video input signal). In the normal state when there is no incoming DV stream,
the DVC-800/820 encodes a DV stream from the HD downconverted video input to the DV port. When an
external DV stream is detected, the DVC-800/820 decodes this video stream and displays it through the
other SD outputs.
The DVC-800/820 can control one external DV device3(through the DV port) if it has VTR (video tape
recorder) capabilities (e.g. the AV/C protocol).
We don't recommend connecting more than one DV device (of the VTR type4) to the DVC-800/820 because,
if there is more than one, there is no way to select which one will be controlled.
Device control works as follows:
•The DVC-800/820 searches for an external DV device that supports VTR commands.
•If it finds one, it polls the VTR stable state (stop, pause/still or record pause)5.
•When a running timecode starts at the LTC input (LTC in), the DVC-800/820 sends a record command to
the external VTR.
•If the timecode stops or there is a discontinuity in the timecode sequence, the DVC-800/820 sends a
command corresponding to the previous stable state.
So, the user must set the VTR to the desired stable state before connecting it to the DVC-800/820, and
ensure that there is no running timecode at the LTC input when the device is connected.
4.4.7 DV VTR Control via Software
The same software package that provides control of the OSD (see section 4.4.4) can remotely control a DV
VTR using the AV/C command protocol, providing the user with more flexible control options. See also
section 4.7.2.
4.5 Audio Operation
Figure 4.5 on the next page illustrates the audio processing functions of the DVC-800/820.
Audio Inputs: Audio Outputs:
- Sony camera (DVC-800 only) - Embedded in HD
- HD SDI in (embedded audio) - Embedded in SD
- AES external - Audio 3-4 to camera (DVC-800 only)
- Audio LTC in - Analog audio out
- DV - DV
Audio follows the same priorities as video; that is, if a DV input is present, it takes priority over the HD input,
and the audio from the DV input will appear on the analog and SD outputs. In the HD->DV mode, audio will
be embedded in this order of priority: Audio LTC in, AES in, HD SDI in or Sony audio (DVC-800 only).
2Locked audio is not supported for the DVCPRO25 format. This can be a problem for some DVCPRO VTRs that will not
accept the DVCPRO stream from the DVC-800. To be able to record the DVCPRO stream on a DVCPRO VTR, the user
might have to select a different audio source than the one included in the stream.
3By "DV device" we mean a camcorder, a VTR, a firewire hard drive with device control capabilities (e.g. the AV/C
protocol) but not a computer. A computer is a general firewire device and not specifically a DV device.
4A DV device of the VTR type can be a real VTR, a camcorder set in VTR mode, a hard drive with DV VTR capabilities
or a device of the DV-Bridge series (or any other DV transcoders with device control capabilities).
5No other state is supported.

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DVC-800/820 | 15
Description of inputs and outputs :
AUDIO34
Time code
audio
AES
externe
AUDIO
LTC IN
AES IN
Audio
Sony
Aes externe
Audio LTC
Audio
Emb HD SDI
HD SDI IN
HD cam
Sony
1-2
1-2
44
*
4
3-4
*
HD EMB.
DV, analogue
DV_AES1
*
3-4
3-4
4
3
SD EMB.
AES1
Emb_AES2
1-2
*
AES2
IF DV-> SD no output HD
While in playback use
the DV source.
D
ip Switch
CAM (1-2) = AES1
AES (3-4) = AES2
Emb_AES1
Sony_AES1
Figure 4.5 Audio processing in the DVC-800/820
HD CAM Sony (DVC-800 only):
The HD CAM connector is proprietary to Sony, and is located at the rear of their cameras. There is
always an audio signal, either voice, tone or mute. Audio 3 and 4 from the external AES IN of the
DVC-800 is always routed to the camera through this connector.
HD SDI IN:
The audio found in group 1 of the HD VIDEO IN is disembedded. If there is no external AES IN or
AUDIO LTC (time code) IN, this audio is completely reconstituted at the output. The group 1 audio is
extracted for the other outputs in any case..
AES IN:
This audio is input through the XLR AES IN connector, also referred to as external AES. This source
will be embedded in AES2, and will be sent to the DV and analog outputs when the dip switch is in
the AES position.
Audio LTC in:
When audio time code is present, it will be embedded in channel 4, i.e. the right channel of AES2.
Embedded HD:
When both external AES audio and LTC time code are absent, the audio from the HD source is
present at this output in its entirety. When external AES audio is present, the camera audio will be
found on AES1, while the external AES audio will appear in AES2.
Embedded SD:
Only the first group is embedded. In the HD->SD mode, AES1 comes from either the camera or from
the audio embedded in the HD SDI IN. AES 2 could come from the audio embedded in the HD SDI
IN, from the external AES IN or from the AUDIO LTC IN. In the DV->SD mode, AES1 is sourced
from the DV, while AES2 comes from the external AES IN or from the AUDIO LTC IN
Audio 3-4 (DVC-800 only):
The audio which is sent to the camera, audio 3/4, always comes from the external AES input.
Analog:
The analog audio output is identical to the audio sent to the DV output; it originates from the DV input
in the DV->SD mode.