evertz 7735CEM User manual

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features
TABLE OF CONTENTS
1. OVERVIEW.......................................................................................................................... 1
1.1. FUNCTIONAL DESCRIPTION...........................................................................................................2
2. INSTALLATION................................................................................................................... 4
2.1. VIDEO IN AND OUT...........................................................................................................................4
2.2. COMMUNICATIONS AND AUX I/O...................................................................................................5
2.2.1. General Purpose Inputs and Outputs....................................................................................5
2.2.2. RS-232 Serial Port Connections............................................................................................6
3. SPECIFICATIONS ...............................................................................................................7
3.1. SERIAL VIDEO INPUT.......................................................................................................................7
3.2. ANALOG BROADCAST VIDEO OUTPUT.........................................................................................7
3.3. REFERENCE VIDEO INPUT..............................................................................................................7
3.4. ANALOG MONITORING VIDEO OUTPUT........................................................................................8
3.5. ANALOG AUDIO OUTPUTS (-A4 ONLY) ...........................................................................................8
3.6. AES AUDIO INPUTS AND OUTPUTS (-AES ONLY)..........................................................................8
3.7. GENERAL PURPOSE IN/OUT...........................................................................................................8
3.8. SERIAL PORT....................................................................................................................................9
3.9. ELECTRICAL.....................................................................................................................................9
3.10. PHYSICAL..........................................................................................................................................9
4. STATUS LEDS................................................................................................................... 10
4.1. MODULE STATUS LEDS ................................................................................................................10
4.2. AUDIO STATUS LEDS ....................................................................................................................11
5. AUDIO LEVELS, HEADROOM, CLIPPING AND THE BAR GRAPHS............................. 12
6. AUDIO ALARM CALIBRATION PROCEDURE................................................................. 13
6.1. CALIBRATE AUDIO SILENCE DETECTION ..................................................................................13

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features
6.2. CALIBRATE AUDIO PHASE REVERSAL DETECTION.................................................................13
6.3. CALIBRATE AUDIO MONO DETECTION.......................................................................................13
6.4. DEFINE THE FAULT CONDITION(S)..............................................................................................14
7. ON SCREEN MENUS.........................................................................................................15
7.1. NAVIGATING THE ON SCREEN MENU SYSTEM..........................................................................15
7.2. CHANGING TEXT FIELDS ..............................................................................................................15
7.3. ON SCREEN DISPLAY – MAIN MENU ...........................................................................................16
7.4. CONFIGURING THE AUDIO CONTROLS.......................................................................................16
7.4.1. Selecting the Audio Source .................................................................................................17
7.4.2. Audio Freeze Mode (-A4 and –AES only)............................................................................17
7.4.3. Additional Audio Delay (-A4 and –AES only).......................................................................18
7.4.4. Monitoring the Audio Buffer Tracking (-A4 and –AES only).................................................18
7.4.5. Audio Channels Processing (-A4 and –AES only)...............................................................19
7.4.6. Setting the Analog Levels (-A4 only) ...................................................................................19
7.4.7. Audio Gain Control (-AES only)...........................................................................................19
7.5. CONFIGURING THE VIDEO AND SOURCE ID CONTROLS .........................................................19
7.5.1. Setting the Video Standard..................................................................................................21
7.5.2. Selects the Action to Take when Input Video Is Missing.....................................................21
7.5.3. Genlock Source Selection ...................................................................................................21
7.5.5. Setting the Free-Running Frequency...................................................................................21
7.5.6. Setting the Fine Phase of the Output Video – NTSC/525 Video .........................................22
7.5.7. Setting the Fine Phase of the Output Video – PAL-B/625 Video.........................................22
7.5.8. Setting the Horizontal Phase of the Output Video – NTSC/525 Video................................22
7.5.9. Setting the Horizontal Phase of the Output Video – PAL-B/625 Video................................22
7.5.10. Monitoring the Horizontal Delay between the Input and Output Video................................23
7.5.11. Setting the Vertical Phase of the Output Video – NTSC/525 Video ....................................23
7.5.12. Setting the Vertical Phase of the Output Video – PAL-B/625 Video....................................23
7.5.13. Monitoring the Vertical Delay between the Input and Output Video....................................23
7.5.14. Setting the Colour Field Phase of the Output Video – NTSC Video....................................23
7.5.15. Setting the Colour Field Phase of the Output Video – PAL-B Video ...................................23
7.5.16. Monitoring the Audio Buffer Tracking (-A4 and –AES only).................................................24
7.5.17. Setting the VITC Line Number – 525 Line Video.................................................................24
7.5.18. Setting the VITC Line Number – 625 Line Video.................................................................25
7.5.19. Setting the PESA Source ID Line Number – 525 Line Video ..............................................25
7.5.20. Setting the PESA Source ID Line Number – 625 Line Video ..............................................25
7.5.21. Setting the Default SID Mode..............................................................................................25
7.5.22. Setting the Message to be Displayed When There Is No Incoming SID .............................25
7.6. CONFIGURING THE VIDEO PROCESSING CONTROLS..............................................................26
7.6.1. Adding the NTSC Setup Pedestal .......................................................................................26
7.6.2. Line 21 Processing..............................................................................................................27
7.6.3. Setting the Composite Display Mode – Colour or Monochrome..........................................27

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features
7.6.4. Video Level..........................................................................................................................27
7.6.5. Setting the Hue....................................................................................................................28
7.6.6. Setting the Saturation..........................................................................................................28
7.6.7. Setting the Contrast.............................................................................................................28
7.6.8. Setting the Brightness .........................................................................................................28
7.7. CONFIGURING THE BAR GRAPH CONTROLS ............................................................................28
7.7.1. Selecting the Bar Graph Operating Mode ...........................................................................29
7.7.2. Setting the Headroom..........................................................................................................29
7.7.3. Setting the Bar Graph Type.................................................................................................30
7.7.4. Setting the PPM Mode and Ballistics...................................................................................31
7.7.5. Setting the VU Display Range.............................................................................................31
7.7.6. Setting The Phase Bar Graph Type ....................................................................................32
7.7.7. Setting the Bar Graph Error Region ....................................................................................32
7.7.8. Setting the Bar Graph Warning Region...............................................................................32
7.7.9. Setting the Level Bar Graph Scale Position ........................................................................32
7.7.10. Setting The Phase Bar Graph Scale Position......................................................................33
7.7.11. Setting The Window And Bar Graph Positions....................................................................33
7.7.12. Setting the Colours of the Bar Graphs.................................................................................33
7.7.12.1. Setting the Level Bar Graph Region Colour..........................................................33
7.7.12.1.1.Selecting a Bar Graph Region Custom Colour...........................................33
7.7.13. Setting the Level Bar Graph Size ........................................................................................34
7.7.14. Setting the Transparency (Opacity) of Bar Graph Background...........................................34
7.7.15. Setting the Transparency (Opacity) of the Bar Graph Bars.................................................34
7.8. CONFIGURING THE ON-SCREEN DISPLAY CONTROLS............................................................34
7.8.1. Descriptions of the On-Screen Windows.............................................................................35
7.8.1.1. Video/Audio Status ...............................................................................................35
7.8.1.2. Audio Bar Graphs .................................................................................................36
7.8.1.3. VITC Time Code Window .....................................................................................36
7.8.1.4. Program Rating Window.......................................................................................37
7.8.1.5. CC Window...........................................................................................................37
7.8.1.6. XDS Window.........................................................................................................37
7.8.1.7. Source Identification Window................................................................................37
7.8.1.8. Fault Message Windows.......................................................................................37
7.8.2. Setting the Position of On Screen Windows........................................................................37
7.8.2.1. Setting the Horizontal Position of On Screen Windows........................................38
7.8.2.2. Setting the Vertical Position of On Screen Windows............................................38
7.8.3. Selecting What Bar Graphs And Windows To Display........................................................38
7.8.4. Setting the Text Window Attributes .....................................................................................39
7.8.4.1. Turning on the Text Window Backgrounds...........................................................39
7.8.4.2. Setting the Text Window Background Colours .....................................................39
7.8.4.3. Setting the Text Window Background Opacity......................................................40
7.8.4.4. Setting the Text Window Text Opacity..................................................................40
7.8.4.5. Setting the Time Code Window Font Size............................................................40
7.8.4.6. Setting the Program Rating Window Font Size.....................................................40
7.8.4.7. Setting the Source ID Window Font Size..............................................................40
7.8.4.8. Setting the Status Window Mode..........................................................................41
7.8.5. Setting the Fault Window Attributes ....................................................................................41
7.8.5.1. Turning on the Fault Window Backgrounds..........................................................41

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features
7.8.5.2. Setting the Fault Window Background Colours ....................................................41
7.8.5.3. Setting the Fault Window Background Opacity.....................................................42
7.8.5.4. Setting the Fault Window Text Opacity.................................................................42
7.8.5.5. Setting the Fault Window Font Size......................................................................42
7.8.5.6. Setting the Blink Mode of the Fault Windows .......................................................42
7.9. GPO CONFIGURATION...................................................................................................................43
7.9.1. Setting the General Purpose Output Active State ...............................................................43
7.9.2. Configuring what Condition will Activate the General Purpose Output................................43
7.9.3. Frame Status Fault Trigger Condition..................................................................................43
7.10. FAULT DEFINITIONS ......................................................................................................................44
7.10.1. Setting Up How A Fault Is Triggered And How It Is Presented ...........................................45
7.10.1.1. Fault Status...........................................................................................................45
7.10.1.2. Setting the position of the Fault Windows.............................................................45
7.10.1.3. Setting the Message Associated with a Fault.......................................................45
7.10.1.4. Determining If The Fault Message Will Be Displayed...........................................45
7.10.1.5. Setting the Duration of the Fault Condition...........................................................45
7.10.1.6. Determining What Items Will Generate The Fault Condition................................46
7.10.2. Setting the Fault Window Attributes.....................................................................................46
7.10.3. Setting the Video Error Duration..........................................................................................47
7.10.4. Setting the Audio Error Duration..........................................................................................47
7.10.5. Detecting Audio Over Level Faults......................................................................................47
7.10.5.1. Setting the Audio Over Level................................................................................47
7.10.5.2. Setting the Audio Over Duration...........................................................................47
7.10.6. Detecting Audio Silence Faults............................................................................................48
7.10.6.1. Setting the Audio Silence Level............................................................................48
7.10.6.2. Setting the Audio Silence Duration.......................................................................48
7.10.7. Detecting Audio Phase Reversal Faults..............................................................................48
7.10.7.1. Setting the Audio Phase Reversal Level...............................................................48
7.10.7.2. Setting the Audio Phase Reversal Duration..........................................................49
7.10.8. Detecting Audio Mono Faults...............................................................................................49
7.10.8.1. Setting the Audio Mono Threshold Level..............................................................49
7.10.8.2. Setting the Audio Mono Duration..........................................................................49
7.10.9. Detecting Loss of Primary Captioning .................................................................................50
7.10.10.Detecting Loss of Program Rating Duration........................................................................50
7.10.11.Detecting Picture Freeze.....................................................................................................50
7.10.11.1.Setting the Picture Noise Level.............................................................................50
7.10.11.2.Setting the Picture Freeze Duration......................................................................51
7.10.11.3.Optimizing the Picture Noise Level and Picture Freeze Duration Parameters .....51
7.10.12.Detecting Picture Black Duration.........................................................................................52
7.11. UTILITIES.........................................................................................................................................52
7.11.1. Accessing Information About this Module and its Firmware................................................52
7.11.1.1. Storing Configurations to the User Presets...........................................................52
7.11.1.2. Recall Configurations from the User Presets........................................................52
7.11.2. Initiating a Software Upgrade ..............................................................................................53
7.11.3. Restoring the CEM to its Factory Default Configuration......................................................53
7.12. CLEAR FAULTS AND PEAKS ........................................................................................................53

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features
9. JUMPERS.......................................................................................................................... 54
9.1. TERMINATION JUMPERS...............................................................................................................54
9.2. SELECTING WHETHER LOCAL FAULTS WILL BE MONITORED
BY THE GLOBAL FRAME STATUS ...............................................................................................54
9.3. CONFIGURING THE MODULE FOR FIRMWARE UPGRADES.....................................................55
Figures
Figure 1-1: 77CEM Block Diagram......................................................................................................................3
Figure 2-1: 7735CEM Rear Panels.....................................................................................................................4
Figure 2-2: GPI Input Circuitry.............................................................................................................................6
Figure 2-3: GPO Output Circuitry........................................................................................................................6
Figure 4-1: LED Locations.................................................................................................................................10
Figure 9-1 : Location of Jumpers on 7735CE Boards.......................................................................................54
Tables
Table 2-1: Comm and Aux I/O Pinout .................................................................................................................5
Table 2-2: Comm and Aux I/O Physical Layout ..................................................................................................5
Table 4-1: Audio Channel Status LEDs.............................................................................................................11
Table 7-1: PPM Bar Graph Characteristics.......................................................................................................31
Table 7-2: Video/Audio Status Screen Items ....................................................................................................36
Table 7-3: Methods of turning Windows and Bar graphs On and Off...............................................................39
Table 7-4: Possible Error Conditions to Produce a Fault..................................................................................46

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features
REVISION HISTORY
REVISION DESCRIPTION DATE
0.0 Preliminary Mar 02
1.0 First release without all features tested Aug 02
1.1 Added LED and Jumper Drawings Feb 04
1.1.1 Fixed formatting and typos Jul 07
WARNING: This version contains areas of gray text that are indicative of future
software releases. These sections are to be used as information only
and are subject to change. Some features will never be released. Some
of these features may seem to work but they have not been completed
and have not been verified by Evertz.

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features 7735CEM-1
1. OVERVIEW
The 7735CEM line of component serial digital to composite analog video converters are broadcast quality
encoders with an extensive list of additional features. An audio de-embedder with high quality audio digital
to analog conversion or AES inputs/outputs can be purchased with the encoder to create a video/audio
frame synchronizer/conversion package. In addition, Evertz fault monitoring processing will analyze and
report video and audio problems via an On-Screen-Display (OSD), or remotely via VistaLINK®SNMP.
The 7735CEM product features various video processing functions such as VITC, closed captioning and
SID extraction during the encoding process, as well as monitoring video for black and freeze conditions.
The audio is processed, to extract level information for creating and displaying level and phase bar
graphs. In addition, the audio is analyzed for periods of high level, silence, mono, and out-of-phase
conditions. All of this status information is displayed on the monitoring analog output via on-screen display
(OSD) overlay.
The features of all 7735CEM’s are:
• One component serial digital input (525 or 625).
• EDH analysis on SDI input.
• One composite analog video output WITHOUT OSD text or audio bargraphs.
• Internal processing to maintain 10 bit digital video quality.
• 10 bit output video digital to analog conversion.
• One monitoring quality video output with OSD text and bargraph graphics.
• User adjustable output video processing functions: black level (brightness), gain (contrast), hue, and
saturation.
• One composite analog reference input (NTSC or PAL-B) on BNC. 75 Ohm or high-Z, jumper
configurable input impedance.
• One frame video synchronizer (with +S option).
• Infinitely variable output phase.
• Freeze modes: black, freeze.
• Adjustable free running frequency.
• VU/PPM bargraph level Indicators.
• Decodes vertical interval time code (VITC) and “burns” the time code into the picture.
• Decodes PESA format Source ID (8 characters) or Evertz format VITC Source ID (5 or 9 characters)
and burns the ID into the picture.
• A comprehensive on screen display is available to configure the various features of the module.
• Flexible configuration of the text and audio bar graph information displays.
• An extensive list of error conditions can be monitored and fault conditions can be configured from
these conditions.
• On screen messages can be triggered by the configured fault conditions.
• Two GPI inputs are available to modify the display characteristics.
• Two GPO output to indicate user definable fault conditions.
• GPI/Os are available on a DB9 connector.

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
7735CEM-2 Revision 1.1.1
Gray background indicate un-implemented or un-tested features
The Features of "-A4" option are:
• One group (4 channels) of synchronous 20-bit audio is de-multiplexed from the incoming digital video.
• 2 unbalanced AES audio inputs (up to 48kHz, 24 bits) on BNC.
• User selects EITHER the de-embedded audio or the input AES audio.
• The selected audio is delayed equivalently to the video delay with the +S option.
• 4 high quality 24 bit audio channels are output (analog) as balanced on 2 removable barrier strips.
• Low impedance outputs (66Ω).
• Analog audio output levels are adjustable.
• Additional audio delay of up to 5 seconds.
• Additional audio advance of up to 1 frame, depending on video delay.
• Loss of video modes: pass audio, mute audio.
The Features of "-AES" option are:
• 75-Ohm coaxial (unbalanced) AES inputs (2) on BNC.
• Audio delay equivalent to video delay (with +S option).
• Additional audio delay of up 5 seconds.
• One group (4 channels of audio) is de-multiplexed from the incoming digital video.
• 2 unbalanced AES audio outputs.
• Loss of video modes: pass audio, mute audio
• Bypass relay protection that allows removing the card without re-wiring AES audio.
1.1. FUNCTIONAL DESCRIPTION
270Mbps component SDI video is converted to 10 bit parallel data and encoded to high quality composite
analog video. Various video processing functions (gain, saturation, black level, etc) are performed during
the encoding process.
Digital audio is de-multiplexed from the incoming SDI video. External digital AES audio is also received via
input BNC's. The user can select either of these two sources for further processing. The selected digital
audio is delayed (with +S option) to match the delay experienced by the video in the video synchronizer. In
addition, the user can select additional audio delay. On the 7735CEM-AES, this delayed audio is
formatted properly and delivered to the user as unbalanced 75 Ohm AES audio on BNC. On the
7735CEM-A4, the audio is converted to balanced analog audio through a high quality 24 bit D to A
converter and delivered to the outside world via removable terminal strips.
The audio is also processed to extract level and phase information. The CPU creates the level and phase
bar graphs and writes them out to the on screen display (OSD) memory.
VITC, closed captioning and Source ID are extracted from this input stream. In addition, the video is
monitored for black and freeze conditions. The CPU reads this raw data and extracts time code, program
rating and the closed captioning information. In addition, analysis of the data is performed to determine
fault or error conditions. The time code, program rating, source ID message and faults are also written to
the OSD memory for display on the monitoring output.

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features 7735CEM-3
This video goes out through two paths; a high quality component to composite converter (composite
encoder) and a monitoring quality composite encoder with the OSD "burn-ins". The hardware mixes (keys)
the on screen text and bar graphs display information onto the monitoring output video stream.
The CPU also gets pushbutton and toggle switch commands from the card edge controls and draws
extensive menus for configuring the operation of the card.
General-purpose inputs are used for remote control of some features and general-purpose outputs are
generated under error conditions.
VBI
Processing
(TBD)
S/P
Composite Output
2 AES
Inputs
EDH
Analysis Monitoring
Quality
Composite
Encoder
Mon Output
SDI Input
VBI Decoders
and Freeze/
Black detector
Genlock
75Ω
Card
Reference
CPU
Card Edge
Controls &
Indicators GPI/O
&
RS-232/422
To/From
SNMP
Network
Composite
Analog
Reference
OSD
Display
7735CEM-A4(+S)
Audio content
analysis and
Delay
(optional)
High
Quality
Composite
Encoder
Audio
Demux
Frame
Sync
(optional)
AES
Receivers D/A
4 Channels
Balanced
Analog
Audio
Figure 1-1: 77CEM Block Diagram

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
7735CEM-4 Revision 1.1.1
Gray background indicate un-implemented or un-tested features
2. INSTALLATION
The 7735CEM modules come with a companion rear plate and occupies one or two slots in the 7700FR
frame. Figure 2-1 shows a picture of each of the rear panels. For information on mounting the rear plate
and inserting the module into the frame see the 7700FR chapter section 3.
The 7735CEM cards must be inserted into slots with the correct rear panel. Some cards have physical
differences and some have functional differences and the associated labels will be misleading.
Figure 2-1: 7735CEM Rear Panels
2.1. VIDEO IN AND OUT
Connect a source of component serial digital (525 or 625 line) video to the top BNC labeled SDI INPUT.
Connect a reference black signal to the REF BNC. Broadcast quality composite analog video is available
on the ANALOG OUT BNC. Monitoring quality video with text and audio bar graphs are available on the
MON OUT output BNC. If the card is not present or the power is off, there will be nothing on any of the
outputs.

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features 7735CEM-5
2.2. COMMUNICATIONS AND AUX I/O
The rear female DB-9 connector has RS-232 DCE connections and also contains GPIs and GPOs.
Name Description DB-9
GPI1 General Purpose Input 1 1
GPI2 General Purpose Input 2 6
GPO1 General Purpose Output 1 4
GPO2 General Purpose Output 2 9
Rx RS-232 (output) 2
Tx RS-232 (input) 3
NC Reserved 7
NC Reserved 8
gnd Ground 5, Shell
Table 2-1: Comm and Aux I/O Pinout
The physical layout is similar to the following:
1 GPI 1 6 GPI 2
2 TxD (out) 7 NC
3 RxD (in) 8 NC
4 GPO 1 9 GPO 2
5 gnd
The shell is also grounded.
Table 2-2: Comm and Aux I/O Physical Layout
2.2.1. General Purpose Inputs and Outputs
The GPI’s are active low with internal pull up resistors (4.7k Ohms) to +5V. To make an input active,
lower the signal to near ground potential (i.e. connect to shell or chassis ground). This can be done with a
switch, relay, TTL drive, GPO output or other similar method. Figure 2-2 shows the input circuit for the
General purpose inputs.

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
7735CEM-6 Revision 1.1.1
Gray background indicate un-implemented or un-tested features
GND
To Internal
Circuit
4.7 k Ω
GPI
+ 5 Volts
Figure 2-2: GPI Input Circuitry
The GPO’s are software programmable active high or low with internal pull up (10k Ohm) resistors to +5V.
When the output goes low it is able to sink up to 10mA. When high, the signal will go high (+5V). Do not
draw more than 100µA from the output. Figure 2-3 shows the circuit for the general purpose output.
From Internal
Circuit
10k Ω
+ 5 Volts
GND
GPO
10 Ω
Figure 2-3: GPO Output Circuitry
2.2.2. RS-232 Serial Port Connections
The COM port signals are standard RS-232 without hardware flow control. The directions of the signals
are indicated in Table 2-1. The RS-232 port on the Aux I/O connector is used for data logging of the
status and fault conditions. Connect this port to a COM port on your PC running a terminal application
such as Windows HyperTerminal. Configure the port to 57600 baud, 8 bits, no parity, 2 stop bits, and no
flow control.

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features 7735CEM-7
3. SPECIFICATIONS
3.1. SERIAL VIDEO INPUT
Standard: SMPTE 259M-C – 525 or 625 line component.
Number of Inputs: 1
Connector: BNC per IEC 169-8
Return Loss: >15dB to 270MHz
Embedded Audio: SMPTE 272M-A
Frequency Lock Range: ±75ppm from nominal
Lock up time on a hot switch: TBD
3.2. ANALOG BROADCAST VIDEO OUTPUT
Standard: NTSC, SMPTE 170M
PAL, ITU624-4
Number of Inputs: 1
Connector: BNC per IEC 169-8
Signal Level: 1V nominal
Output Impedance: 75 Ohm
DC Offset: 0V +/- 50mV
Return Loss: >35dB to 10MHz
Frequency Response: <+/- 0.1dB to 4 MHz (response will depend on selected filtering)
Differential Phase: < 0.5°(< 0.3°typical)
Differential Gain: < 0.5% (< 0.3% typical)
SNR: >75dB (black video, 100kHz to 5MHz)
Output level control range: ±10%
Black level control range: ±7.5 IRE
Chroma level control range: ±10%
Hue control range: ±15 deg. (NTSC only)
Minimum Delay: 3 µs
Maximum Delay: 1 frame + 3 µs (+S option only)
3.3. REFERENCE VIDEO INPUT
Standard: NTSC, SMPTE 170M
PAL, ITU624-4
Number of Inputs: 1
Connector: BNC per IEC 169-8
Signal Level: 1V nominal (0.5V to 1.5V)
Frequency Lock Range: ±75ppm from nominal
Input Impedance: 75 Ohm or High impedance (jumper selectable)
Return Loss: >25dB to 10MHz
Max Subcarrier Jitter: < 3 degrees
Free-Running Frequency
Control Range: > +/- 10ppm (> +/- 270Hz)

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
7735CEM-8 Revision 1.1.1
Gray background indicate un-implemented or un-tested features
3.4. ANALOG MONITORING VIDEO OUTPUT
Standard: NTSC, SMPTE 170M
PAL, ITU624-4
Number of Outputs: 1
Connector: BNC per IEC 169-8
Signal Level: 1V nominal
Output Impedance: 75 Ohm
Return Loss: >35dB to 10MHz
3.5. ANALOG AUDIO OUTPUTS (-A4 only)
Number of Outputs: 4
Type: Balanced analog audio
Connector: Two 6 pin removable terminal strips
Output Impedance: 66Ωbalanced
Sampling Frequency: 48kHz
Signal Level: 0dBFS => 12 to 25dBu (user settable)
Frequency Response: <+/- 0.05dB (20Hz to 20kHz)
Dynamic range: 24 bits when AES inputs selected,
20 bits when embedded audio selected
THD+N: <0.001% (>100dB) @ 1kHz, -1dBFS
Crosstalk: <-105dB (20Hz to 20kHz)
DC Offset: <+/- 30mV
SNR: >110dB "A" Weighting
Inter-Channel Phase Error: <+/-1°(20Hz to 20kHz)
3.6. AES AUDIO INPUTS AND OUTPUTS (-AES only)
Number of Inputs: 2
Number of Outputs: none on –A4 versions, 2 on –AES versions
Input Standard: SMPTE 276M, single ended synchronous or asynchronous PCM AES
Output Standard: SMPTE 276M, single ended synchronous AES
Connectors: BNC per IEC 169-8
Resolution: 24 bits when AES inputs selected,
20 bits when embedded audio selected
Input Sampling Rate: 32kHz to 48 kHz when AES inputs selected,
Synchronous 48kHz when embedded audio selected
Output Sampling Rate: Synchronous 48kHz
User Bits: Transferred to output in a non-real-time, non-block-contiguous manner
on –AES versions
Minimum I/O Delay: 3.5msec on –A4 versions
4.5msec on –AES versions
3.7. GENERAL PURPOSE IN/OUT
Number of Inputs: 2 (behavior is assigned via. on-screen menu items)
Number of Outputs: 2 (behavior is programmable via. on-screen menu items)
Type: Opto-isolated, active low with internal pull-ups to +5V
Connector: Female DB-9
Signal Level: +5V nominal

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features 7735CEM-9
3.8. SERIAL PORT
Standard: RS 232
Connector: Female DB-9
Baud Rate: 57600
Format: 8 bits, no parity, 2 stop bits, no flow control
3.9. ELECTRICAL
Voltage: + 12VDC
Power: 9.25 Watts (7735CEM)
16.75 Watts (-A4 option)
EMI/RFI: Complies with FCC Part 15, class A and EU EMC directive.
3.10. PHYSICAL
7700 frame mounting:
Number of slots: 1 for non-audio versions
2 for audio versions (-AES, -A4)

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
7735CEM-10 Revision 1.1.1
Gray background indicate un-implemented or un-tested features
4. STATUS LEDS
7735CEM-A4
toggle
switch push button
GENLOCK
AUDIO
NTSC
PAL
OK
FAULT
1234
Audio LEDs
Figure 4-1: LED Locations
4.1. MODULE STATUS LEDS
MODULE OK: This Green LED will be on when the module is operating properly.
LOCAL FAULT: This Red LED makes it easy to identify one module in a frame that is missing an
essential input or has another fault.
The LED will blink on and off if the microprocessor is not running.
The LED will be on when there is a fault in the module power supply or a user
configurable error condition exists.
NTSC/PAL: The NTSC/PAL Green LEDs (NTSC on the top, away from the PCB and PAL on
the bottom, closest to the PCB) will indicate the video standard of the SDI video
input. If video is removed, both LEDs will go off. If the input standard is opposite
to the user selected standard, the LED will flash.
GENLOCKED: This Green LED is on solid if the genlock source is present and the user has
turned on genlocking.
It is flashing if the user has turned on genlocking and the genlock source is not
present.
It will be off if the user has turned genlocking off.
AUDIO:
This Green LED is on solid when the user selected audio is present. It will flash
when some, but not all, of the audio channels are present. If no audio is present,
it will be off.
For instance, if external AES audio is selected (via. the OSD menu) and only one
of the two AES channels is present, then this LED will flash.
REF:
(on rear panel) This yellow LED on the rear panel by the reference BNC will be on when this
input is being used as the reference for the card.

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features 7735CEM-11
4.2. AUDIO STATUS LEDS
Four LEDs located on the lower end of the module (near the card extractor) indicate which audio channels
are present. Audio channel 1 LED is located closest to the center of the module. Digital audio presence is
determined by the AES receiver lock indicator (when AES input is selected). When embedded audio is
selected, the channel must be present on the selected group for the LED to illuminate.
Audio
LED Colour Audio Channel Status
1 Off No channel 1 present.
Green Channel 1 present.
2 Off No channel 2 present.
Green Channel 2 present.
3 Off No channel 3 present.
Green Channel 3 present.
4 Off No channel 4 present.
Green Channel 4 present.
Table 4-1: Audio Channel Status LEDs

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
7735CEM-12 Revision 1.1.1
Gray background indicate un-implemented or un-tested features
5. AUDIO LEVELS, HEADROOM, CLIPPING AND THE BAR GRAPHS
This section contains notes to understand how the 7735CEM-A4 relates analog audio levels, digital audio
levels, and the displayed bar graph levels.
Before you can calibrate the audio digital to analog converter, you must know a couple of system issues
specific to your application. What is your analog reference level and how much headroom is there in the
digital audio signal? By adding these two values together, you will get the analog output level that will just
begin to saturate the digital word (This is the highest level that can be represented without distortion with
the digital numbers). This level is called 0dB FS (FS stands for "full scale"). For instance, if your analog
program reference level is 4dBu and you have 20dB of headroom in the "digital world", then 0dB FS will
correspond to an analog level of 24dBu. Once the audio output level is calibrated, when you apply a digital
level of –20dB FS, the analog output signal will be 4dBu .
The SDI embedded audio, the AES input audio and the bargraphs are all based on the same digital
quantized signal level. The AES/EBU bargraph ballistics mode is scaled to 0dB FS while the other modes
have a user selectable headroom. For this reason, use the AES/EBU mode for calibrating audio levels.
When a full-scale digital signal is input, you will get a peak analog output signal level that is set by the
analog level controls. The Headroom control sets the 100% program reference level (0 dB on the scale)
with respect to the Peak Output Level set by the analog level controls. For example, if the Peak Output
Level is set to 24 dBu and the Headroom is set to 20 dB, then the 0 dB reference on the bar graphs will
correspond to an output level of 4 dBu. This level will be achieved when a digital input signal of –20 dB FS
is applied at the input. Therefore, the following relationship is always maintained:
PGM reference level + headroom = peak output level
"
The VU and PPM standards were set before the digital revolution. These standards
deal with headroom levels that are quite a bit lower than what should be used in the
digital world. Also, most of the bar graphs only display a few dB above the program
reference level. In a digital world, one needs to leave around 20 dB of headroom to
keep most material away from clipping.
For best results, follow these steps when setting up the audio bar graphs and output levels:
1. Set the Headroom control to the desired value. Remember that this is the value in dB between the
100% reference level (expressed in dB FS) and saturation level of the digital input word (0 dB FS). It
will also correspond to the value in dB between the analog output level when a reference level is input
and the maximum output level set by the analog level controls.
2. Pick the bar graph type and mode. This selection will configure the bar graphs with the defaults
dictated by the standards. It will also set the Peak Output Level and the 0dB reference level to adhere
to the standard and the desired headroom.
3. Adjust any of the bar graph configuration parameters to customize the display of the graphs.
4. Save the card configuration into a preset so that you can recall it if any card parameter is tampered
with.

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
Revision 1.1.1
Gray background indicate un-implemented or un-tested features 7735CEM-13
6. AUDIO ALARM CALIBRATION PROCEDURE
This section contains a detailed description on setting the various audio warning/error detection
parameters.
Some of the audio alarm detection algorithms are dependent on the state of other audio alarm detectors.
For instance, the mono detection algorithm will not use periods of silence as determined by the silence
detection. For this reason, the following sequence should be used to calibrate the audio alarms. The items
in italics refer to menu items in the CEM. See section 7.10 for a complete description of the fault definition
menu items.
6.1. CALIBRATE AUDIO SILENCE DETECTION
1. Supply the card with your plant's noisiest audio feed without any audio program material present. This
will be a baseline noise level to calibrate the silence detector.
2. Turn off all sources of errors in a Fault Condition and assign Audio Silence as the only error. Also,
make sure that you set the Fault Duration to a small number of frames so that you will see when the
error condition disappears.
3. Set the Silence Duration to 0.5 sec so that you can see the results of adjusting the Silence Level
parameter without getting confused with the detection time.
4. Adjust the audio Silence Level until the Fault Condition begins to go active. This will be the noise floor
level. Raise the Silence Level a few dB to make the detector insensitive to this noise level.
5. Set the Silence Duration to a time appropriate to your application. This should be set to a value longer
than your worst case acceptable quiet period.
6.2. CALIBRATE AUDIO PHASE REVERSAL DETECTION
1. Supply the card with a stereo signal that has the phases reversed. Make sure that the material is
typical of normal content for this channel.
2. Turn off all sources of errors in a Fault Condition and assign Phase Reversal as the only error. Also,
make sure that you set the Fault Duration to a small number of frames so that you will see when the
error condition disappears.
3. Set the Phase Reversal Duration to 0.5 sec so that you can see the results of adjusting the Phase
Reversal Level without getting confused with the detection time.
4. Adjust the Phase Reversal Level so that the Fault Condition detects the phase reversal.
5. Set the Phase Reversal Duration to a time period appropriate to your application.
Warning: Periods of silence (below the Silence Level) will extend this duration. In other words, periods
without audio content are not included in the phase reversal detection.
Warning: Stereo material with long periods of dissimilar left/right content (i.e. music with plenty of
panning) may cause the phase reversal detector to fire. It is best to set the Phase Reversal Duration to
a value larger than what you would expect.
6.3. CALIBRATE AUDIO MONO DETECTION
1. Supply the card with a stereo signal that originated from mono material and that has a large amount of
un-correlated noise added to each channel. This will allow you to set the Mono Threshold to a value
that will detect the mono condition in the presence of noise.
Warning: Make sure that the material is in-phase. Mono material will not be detected if it is out of
phase.

7700 MultiFrame Manual
7735CEM Composite Encoder with Monitoring
7735CEM-14 Revision 1.1.1
Gray background indicate un-implemented or un-tested features
2. Turn off all sources of errors in a Fault Condition and assign Mono as the only error. Also, make sure
that you set the Fault Duration to a small number of frames so that you will see when the error
condition disappears.
3. Set the Mono Duration to 0.5 sec so that you can see the results of adjusting the Mono Threshold
Level without getting confused with the detection time.
4. Adjust the Mono Threshold Level so that the Fault Condition detects the mono material in the
presence of noise.
5. Set the Mono Duration to a time period appropriate to your application.
Warning: Periods of silence (below the Silence Level) will extend this duration. In other words, periods
without audio content are not included in the mono detection.
Warning: Stereo material with long periods of similar left/right content (i.e. talking heads in a news
cast) may cause the mono detector to fire. It is best to set the Mono Duration to a value larger than
what you would expect.
6.4. DEFINE THE FAULT CONDITION(S)
1. A Fault Condition is defined as a group of one or more problems grouped together that will create a
fault when any one of the problems exist. Decide what grouping of error conditions will generate a fault
by setting the appropriate condition to Yes in the Fault Condition menu.
2. Set the Fault Duration to either Until Reset or to a time value. This is how long the condition will stay
active after the conditions generating the fault go away.
3. Configure a Fault Message. Enter the text to display on screen, it's H and V position, and it's
characteristics (opacity, colour, etc).
4. Assign the Fault Condition to an output contact closure (GPO) if it is desired.