evertz 7700 Series User manual

7700 MultiFrame Manual
7700SID(-AM) Source Identification Decoder
1. OVERVIEW.........................................................................................................................................1
2. INSTALLATION..................................................................................................................................3
2.1. VIDEO IN AND OUT ......................................................................................................................3
2.2. AUDIO AND AUX I/O.....................................................................................................................4
3. SPECIFICATIONS..............................................................................................................................5
3.1. SERIAL DIGITAL INPUT...............................................................................................................5
3.2. SERIAL VIDEO OUTPUT ..............................................................................................................5
3.3. ANALOG VIDEO OUTPUT............................................................................................................5
3.4. ANALOG AUDIO OUTPUT (7700SID-AM ONLY).........................................................................5
3.5. AUDIO BAR GRAPHS...................................................................................................................6
3.6. GENERAL PURPOSE IN/OUT ......................................................................................................6
3.7. ELECTRICAL.................................................................................................................................6
4. STATUS LED’S..................................................................................................................................6
4.1. MODULE STATUS LEDS..............................................................................................................6
4.2. AUDIO STATUS LEDS..................................................................................................................7
5. CARD EDGE CONTROLS .................................................................................................................7
5.1. DIP SWITCH CONTROLS.............................................................................................................7
5.2. NAVIGATING THE ON SCREEN DISPLAY MENUS....................................................................9
5.3. CHANGING TEXT FIELDS..........................................................................................................10
5.4. CONFIGURATION MENUS .........................................................................................................10
5.4.1. Menu Structure......................................................................................................................11
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5.5. AUDIO CONTROLS.....................................................................................................................11
5.5.1. Audio Group Selection..........................................................................................................11
5.5.2. Audio Channel Selection.......................................................................................................12
5.5.3. Audio Channel Swap.............................................................................................................12
5.5.4. Stereo/Mono Mode Channels ½ ...........................................................................................12
5.5.5. Peak Analog Audio Level......................................................................................................13
5.5.6. Fine Level Channel Adjust: CH1...........................................................................................13
5.5.7. Fine Level Channel Adjust: CH2...........................................................................................13
5.6. VIDEO AND SID CONTROLS .....................................................................................................14
5.6.1. Video Standard/Mode ...........................................................................................................14
5.6.2. SDI Output Keyer..................................................................................................................14
5.6.3. The 7760AVM Does not have both of these on/off controls! Only one output. Composite
Output Keyer.........................................................................................................................14
5.6.4. NTSC Setup Pedestal...........................................................................................................14
5.6.5. Composite Monochrome Control ..........................................................................................15
5.6.6. 525 VITC SID Line Number ..................................................................................................15
5.6.7. 625 VITC SID Line Number ..................................................................................................15
5.6.8. 525 PESA SID Line Number.................................................................................................15
5.6.9. 625 PESA SID Line Number.................................................................................................15
5.7. OSD WINDOW CONTROLS........................................................................................................16
5.7.1. Missing/Simulated SID Message ..........................................................................................16
5.7.2. Missing/Simulated SID Mode................................................................................................16
5.7.3. SID Window H Position.........................................................................................................16
5.7.4. SID Window V Position.........................................................................................................17
5.7.5. Time Code Window Enable...................................................................................................17
5.7.6. Time Code Window H Position .............................................................................................17
5.7.7. Time Code Window V Position..............................................................................................18
5.7.8. Status Window Enable..........................................................................................................18
5.7.9. Status Window H Position.....................................................................................................18
5.7.10. Status Window V Position.....................................................................................................19
5.7.11. GPI #1 Message Window H Position....................................................................................19
5.7.12. GPI #1 Message Window V Position ....................................................................................19
5.7.13. GPI #2 Message Window H Position....................................................................................20
5.7.14. GPI #2 Message Window V Position ....................................................................................20
5.8. COLOR SET-UP CONTROLS .....................................................................................................20
5.8.1. Text Brightness.....................................................................................................................21
5.8.2. Bar Graph Border Brightness................................................................................................21
5.8.3. OK Color Saturation..............................................................................................................21
5.8.4. Warning Color Saturation......................................................................................................22
5.8.5. Error Color Saturation...........................................................................................................22
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5.9. GPI PROGRAMMING..................................................................................................................23
5.9.1. Message Associated with GPI ..............................................................................................23
5.9.2. Enable Message Window Associated with GPI ....................................................................23
5.9.3. Blink SID or Message Window with Active GPI ....................................................................23
5.9.4. Turn Off Text with Active GPI................................................................................................23
5.10. DIP SWITCH CONFIGUATION....................................................................................................24
5.10.1. Enable DIP Switches.............................................................................................................24
5.10.2. DIP Switches Legend............................................................................................................24
5.11. UTILITIES ....................................................................................................................................24
5.11.1. Debug....................................................................................................................................24
5.11.2. Upgrade ................................................................................................................................25
5.11.3. Factory Reset........................................................................................................................25
5.11.4. Show Font (Debug mode only) .............................................................................................25
6. JUMPERS.........................................................................................................................................25
6.1. SELECTING WHETHER LOCAL FAULTS WILL BE MONITORED
BY THE GLOBAL FRAME STATUS...........................................................................................26
6.2. CONFIGURING THE MODULE FOR FIRMWARE UPGRADES.................................................26
Figures
Figure 1: 7700SID and 7700SID-AM Block Diagrams.............................................................................................2
Figure 2: 7700SID and 7700SID-AM Rear Panels ..................................................................................................3
Figure 3 : Location of Jumpers on Rev A 7700PB2 Boards ..................................................................................25
Tables
Table 1: Audio and Aux I/O Pinout...........................................................................................................................4
Table 2: Audio to XLR Connection...........................................................................................................................4
Table 3: Audio Group Status LEDs..........................................................................................................................7
Table 4 Audio Group Select DIP Switch Settings ....................................................................................................7
Table 5 Audio Output Select DIP Switch..................................................................................................................8
Table 6 Audio Output Swap DIP Switch...................................................................................................................8
Table 7 Audio Output Mono Mix DIP Switch............................................................................................................8
Table 8 SDI Bar Graph DIP Switch..........................................................................................................................8
Table 9 Audio Level Display DIP Switch..................................................................................................................8
Table 10 Video Standard DIP Switch.......................................................................................................................8
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REVISION HISTORY
REVISION DESCRIPTION DATE
0.1 Original Version – preliminary Sept 99
0.2 Block diagram and description added Oct 99
Document revision table added
0.3 Updated feature list, misc formatting Aug 99
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1. OVERVIEW
The 7700SID and 7700SID-AM decode PESA and NBC source identification information from standard
definition serial digital 525/625 line signals and display the ID by "burning in" text on the output video.
These cards also de-multiplex one group of audio, measure the 4 audio levels and display the peak
program levels as vertical bar graphs on the output video. There is one serial digital and one composite
analog output signal with this text and bar graph information.
The 7700SID-AM also has a two channel audio D to A converter for monitoring either pair of audio
channels within the selected audio group.
Features 7700SID and 7700SID-AM:
• One SDI 525 or 625, 270 Mb/s component input.
• Decodes specified PESA SID (8 characters) or NBC VITC SID (5 or 9 characters), status (4
characters) and Time code into visible display.
• One SDI output and One Analog composite (PAL/NTSC) output; separately selectable between
SID/Status/TC/text and SID/Status/TC/text+Audio Level.
• 4 channel Audio level Indicator is keyed as bar graphs in visible display.
• When not detecting SID, display a text message. Text message is programmable through the RS232
port.
• A comprehensive on screen display is available to configure the various features of the cards.
• The device can also be set up from external computer source which may then be disconnected. Setup
functionality will be achieved on a module by module basis via the front accessible RS-232 port.
• Two GPI inputs to modify the display characteristics and/or display a text message. Message is
programmable through the RS232 port.
• GPI/Os are on a high density DB15
Features 7700SID-AM only:
• One Pair Stereo balanced Analog Outputs of Embedded digital audio channel pairs ½ or ¾.
• Audio outputs can be set so both are a mono mix of the selected channel pair.
• Audio outputs are on a high density DB15.
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GPI/O
Video
Present Audio Present
Analog
Buffer
P / S
Module
Status
Card
Edge
Control
SD Serial Output
270 Mb/s
SD Serial Input
270 Mb/s
S/P
VBI
Decoders OSD
Memory
Mixer
Composite
Encoder
Audio
D to A
NTSC or PAL
Composite Output
CPU
HD DB-15
Audio and GPI/O
Cable
Driver
FillKey
Group Present
Audio
Demux
Figure 1: 7700SID and 7700SID-AM Block Diagrams
Serial digital video is converted to parallel and embedded audio, VITC and PESA Source ID are extracted
from it. The audio is converted to analog (7700SID-AM only) and delivered out the high density DB-15
connector on the rear of the card. The audio is also read by the CPU and further processed to extract level
information. The CPU creates the level bar graphs and writes them out to the On Screen Display (OSD)
memory.
The CPU also reads raw VITC and PESA SID data and extracts time code and the source ID information.
The time code and source ID message is also written to the OSD memory.
The hardware pulls out the OSD information and mixes (keys) the text and bar graphs onto the video
stream. This video goes out digitally through a parallel to serial converter as well as analog through a
composite encoder.
The CPU also gets push button 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.
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2. INSTALLATION
The 7700SID(-AM) modules comes with a companion rear plate that has 3 BNC connectors and one high
density female DB-15. For information on mounting the rear plate and inserting the module into the frame
see the 7700FR chapter section 3.
Figure 2: 7700SID and 7700SID-AM Rear Panels
7700SID and 7700SID-AM cards can be interchanged in the 7700 frame but there will not be any audio
output from 7700SID cards.
2.1. VIDEO IN AND OUT
Connect a source of component 525 or 625 270 Mb/s video to the top BNC labeled SDI INPUT.
Processed digital component video with text and audio bar graphs is available on the SDI OUTPUT BNC
while processed composite analog video is available on the COMPOSITE OUTPUT BNC. If the card is not
present or the power is off, there will be nothing on the outputs.
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2.2. AUDIO AND AUX I/O
The following is the pinout of the female HD DB-15 connector. It is labeled "Aux I/O" on the 7700SID and
"Audio and Aux I/O" on the 7700SID-AM:
DB-15 Name Description
9 NC
4 A1- Audio channel 1 – (7700SID-AM only)
5 A1+ Audio channel 1 + (7700SID-AM only)
10 NC
14 A2- Audio channel 2 - (7700SID-AM only)
15 A2+ Audio channel 2 + (7700SID-AM only)
8 GPI1 General Purpose Input 1
12 GPI2 General Purpose Input 2
3 GPO1 General Purpose Output 1
13 GPO2 General Purpose Output 2
7 CTS RS-232 (output)
2 Tx RS-232 (output)
6 Rx RS-232 (input)
11 RTS RS-232 (input)
1 COMGND Communications ground
Table 1: Audio and Aux I/O Pinout
Two channels of balanced analog audio are available through this connector. The balanced audio can be
connected to male XLR connectors as follows (standard pin 2 +ve connection):
HD DB-15 XLR
Audio + 2
Audio - 3
Shell 1
Table 2: Audio to XLR Connection
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 signal COMGND ground). This can be done
with a switch, relay, TTL drive, GPO output or other similar method.
The GPO’s are active low with internal pull up (10k Ohm) resistors. When active, the output will go low and
is able to sink up to 10mA. When in-active, the signal will go high (+5V). Do not draw more than 100µA
from the output.
The COM port signals are standard RS-232 with hardware flow control. The directions of the signals are
indicated in the above table.
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3. SPECIFICATIONS
3.1. SERIAL DIGITAL INPUT
Standard: SMPTE 259M-C – 525 or 625 line component.
Connector: 1 BNC per IEC 169-8
Termination: 75 ohm
Equalization: Automatic 300m @ 270 Mb/s with Belden 8281 or equivalent cable
Return Loss: >15dB up to 270MHz
Embedded Audio: SMPTE 272M-A
3.2. SERIAL VIDEO OUTPUT
Number of Outputs: 1
Type: 525/625 line 270 Mbit/s SMPTE 259M–C
Connector: BNC per IEC 169-8
Signal Level: 800mV nominal
DC Offset: 0V ±0.5V
Rise and Fall Time: 470ps nominal
Overshoot: <10% of amplitude
Embedded Audio: Same signal as input: SMPTE272M-A
3.3. ANALOG VIDEO OUTPUT
Type: NTSC, SMPTE 170M or PAL, ITU624-4
Number of Outputs: 1
Connector: BNC per IEC 169-8
Signal Level: 1V nominal
DC Offset: 0V ±0.1V
Return Loss: >35dB up to 5MHz
Frequency Response: 0.8dB to 4 MHz
DC Offset: 0V +/- 100mV
Differential Phase: <0.9°(<0.6°typical)
Differential Gain: <0.9% (<0.5 % typical)
SNR: >56dB to 5 MHz (shallow ramp)
3.4. ANALOG AUDIO OUTPUT (7700SID-AM ONLY)
Number of Outputs: 2
Type: Balanced analog audio
Connector: Female High Density DB-15
Output Impedance: 33Ohm
Sampling Frequency: 48kHz
Signal Level: 0dB FS => 14dBu
NOTE: High impedance loads only (10 kOhms)
Not good for low impedance loads (i.e. 600 Ohm)
Frequency Response: 50Hz to 20kHz: +/- 0.20dB
SNR: >85dB (50Hz to 20 kHz)
THD+N: 65 dB @ 1kHz, 0 dB FS, typical
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3.5. AUDIO BAR GRAPHS
Number of Graphs: 4 (1 group)
Ballistics: AES/EBU
Attack Time: 1 audio sample
Decay Time: 1.5s for 20dB
Signal Range: 60dB (0dB FS to –60dB FS)
Error Range: 0dB FS to –6dB FS
Warning Range: -6dB FS to –20dB FS
3.6. GENERAL PURPOSE IN/OUT
Number of Inputs: 2 (behavior is assigned via. OSD menu items)
Number of Outputs: 2 (GPO 1: Aux bit from VITC SID, GPO 2: Active when video or audio is absent)
Type: Opto-isolated, active low with internal pull-ups to +5V
Connector: Female High Density DB-15
Signal Level: +5V nominal
3.7. ELECTRICAL
Voltage: + 12VDC
Power: 9 Watts.
EMI/RFI: Complies with FCC Part 15, class A and EU EMC directive.
4. STATUS LED’S
4.1. MODULE STATUS LEDS
MODULE STATUS: This Green LED will be On when the module is operating properly.
LOCAL FAULT: This Red LED will be On when there is a fault in the module power supply or
general error conditions exist.
SIGNAL PRESENT: This Green LED will be On when there is a valid signal present at the module
SDI input.
AUDIO PRESENT: Active when selected Audio Group is detected by the De-embedder.
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4.2. AUDIO STATUS LEDS
Four LEDs located on the lower end of the module (opposite the DIP switch) indicate which audio groups
are present in the input video.
Audio Group
LED Colour Audio Group Status
1 Off No group 1 present on input video.
Green Group 1 present on input video.
2 Off No group 2 present on input video.
Green Group 2 present on input video.
3 Off No group 3 present on input video.
Green Group 3 present on input video.
4 Off No group 4 present on input video.
Green Group 4 present on input video.
Table 3: Audio Group Status LEDs
5. CARD EDGE CONTROLS
The 7700SID(-AM) is equipped with an 8 position DIP switch to allow the user to control a couple key
aspects of operation. The operation of the DIP switch can be enabled or disabled with an OSD control
item (see Enable DIP Switches). When disabled, the state of the switches is ignored.
A toggle switch and push button allow card edge navigation of a set of on-screen-display menus used to
configure the card.
5.1. DIP SWITCH CONTROLS
An eight position DIP switch is accessible from the front of the card. Switch 1 is on the left as viewed from
the front of the card and the white switch finger is in the “On” position when it is down, closest to the
printed circuit board.
The model 7700SID(-AM) de-embeds one group of audio (selected by switches 1 and 2) for calculating
and displaying the audio level. In addition, the 7700SID-AM will output channels ½ or channels ¾ of the
selected group. DIP 1 DIP 2 Audio Group Selected
Off Off 1
Off On 2
On Off 3
On On 4
Table 4 Audio Group Select DIP Switch Settings
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The 7700SID-AM uses switch 3 to select either channels 1 and 2 or 3 and 4. The 7700SID ignores this
switch. DIP 3 Audio Output Channels
Off 1 and 2
On 3 and 4
Table 5 Audio Output Select DIP Switch
The 7700SID-AM uses switch 4 to swap the two analog output channels. When active channels 1(3) and
2(4) will be swapped. This is equivalent to a left/right swap if the signals are stereo pairs. The 7700SID
ignores this switch. DIP 4 Audio Output Swap
Off no swap
On Swapped
Table 6 Audio Output Swap DIP Switch
The 7700SID-AM uses switch 5 to cause a mono mix of the two analog output channels. When active
channels 1(3) and 2(4) will be summed and the level cut in half to preserve program levels. The 7700SID
ignores this switch. DIP 5 Audio Mono Mix
Off no mix
On Mixed
Table 7 Audio Output Mono Mix DIP Switch
The 7700SID and 7700SID-AM uses switch 6 to enable the audio bar graph "burn-in" on the SDI output.
DIP 6 SDI Bar Graph OSD
Off no audio bar graphs
On Audio bar graphs displayed
Table 8 SDI Bar Graph DIP Switch
The 7700SID and 7700SID-AM uses switch 7 to enable the audio bar graph "burn-in" on the composite
output. DIP 7 Composite Bar Graph
Display
Off no audio bar graphs
On Audio bar graphs displayed
Table 9 Audio Level Display DIP Switch
The 7700SID and 7700SID-AM uses switch 8 to select the video input standard.
DIP 8 Video Standard
Off 525
On 625
Table 10 Video Standard DIP Switch
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5.2. NAVIGATING THE ON SCREEN DISPLAY MENUS
The three position, return to center, toggle switch and momentary push button located on the front edge of
the module is used to navigate the on screen display (OSD) setup menus and configure the cards various
controls.
To enter the OSD menu system, press the push button once. This will bring you to the main setup menu
where you can use the toggle switch to move up and down the list of available sub menus. An arrow
moves up and down the left hand side of the menu items to indicate which item you are currently
choosing. Once the arrow is on the desired item, press the push button to select the next menu.
On all menus, there are two extra selectable items; BACK and EXIT. Selecting BACK will take you to the
previous menu (the one that was used to get into the menu) while EXIT will return the display to its normal
operating mode. On the main menu, BACK and EXIT will both take you to the normal operating mode.
Once in a sub menu, there may be another menu layer, or there may be a list of parameters to adjust. If
there is another set of menu choices, use the toggle switch to select the next choice with the same
procedure as in the main menu.
To adjust any parameter, use the toggle switch to move up or down to the desired parameter and press
the push button. The arrow will move to the end of the line (right hand side) indicating that you can now
adjust the parameter. Using the toggle switch, adjust the parameter to its desired value. If the parameter is
a numerical value, the number will increase if you lift the toggle switch and decrease if you push down on
the toggle switch. It the parameter contains a list of choices, you can cycle through the list by pressing the
toggle switch in either direction.
When you have stopped at the desired value, depress the push button. This will update the parameter with
the selected value and move the arrow back to the left side of the parameter list. Continue selecting and
adjusting other parameters or use the BACK or EXIT commands.
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5.3. CHANGING TEXT FIELDS
Some of the controls of the OSD menu allow you to adjust a text based field. Editing a line of text can be a
little tedious with a toggle switch and a push button, but it can be done with the following procedure:
1. Select the text to edit by hitting the push button when the menu item is selected.
This will take you to a screen that has the label/name of the text being edited and
a white box. The white box contains the text to change and is drawn to the
maximum size of the text field.
2. Use the toggle switch to select/change the first character of the text message.
Note the arrow under the character. This indicates which character you are
currently changing with the toggle switch.
3. Once you have selected the character, press the push button. This will advance
the arrow and take you to the next character to change.
4. There are two special characters to help you enter the text; a backspace
character (left pointing arrow), and an end of line character (right pointing arrow):
• Left arrow: If you have accidentally advanced to the next character and want
to go back, select the left arrow with the toggle switch. When you press the
push button, you will go back to the previous character. This will save you
from having to complete the editing and re-edit it to change the mistake.
• Right arrow: If you are done changing the text, and the new text is shorter
than old text, you can terminate the line with a right pointing arrow. When you
use the push button after selecting the right arrow, the editing session is over
and you will return to the menu structure.
5. You are done editing when you reach the end of the field (maximum length), or
you select the right arrow and press the push button.
5.4. CONFIGURATION MENUS
This section describes the operation of the On Screen Display (OSD) of user controllable parameters. The
following tables are arranged in a tiered structure to indicate the path taken to reach the control. An
underline indicates the factory default values.
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5.4.1. Menu Structure
The following is a brief description of the first set of menus that appear when you enter the OSD screens.
Selecting one of these items will traverse you down into the next screen level.
AUDIO Configure the parameters associated with audio de-multiplexing and analog
audio output.
VIDEO/SID Controls for the operation of video processing and source ID decoding.
WINDOWS Positioning controls for the various text windows.
COLORS Configuration of the text and graphics intensity and color.
GPI/GPO Configuration of the GPI/O's.
DIP SWITCHES Configuration and state of the card edge DIP switches.
UTILITIES Various debug and maintenance features.
5.5. AUDIO CONTROLS
5.5.1. Audio Group Selection
AUDIO
GROUP
SELECT Select which audio group to de-multiplex from the incoming video.
1, 2, 3, 4
Up to 4 groups of audio may be embedded in the incoming SDI video.
This control selects which one of the four to monitor. There are four
green LED's under the DIP switches to indicate which of the four groups
are currently present on the input video.
This menu item is not controllable if the DIP switches have been enabled
in the "DIP SWITCHES" menu. It will however, report the current state of
the control set by the DIP switches.
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5.5.2. Audio Channel Selection
AUDIO
CHANNELS Select which audio channels to monitor from the incoming video.
1 and 2,
3 and 4
There are two pairs of audio in each group in the incoming SDI video.
This control selects which pair to monitor. The selected pair will be sent
to the D to A converter (7700SID-AM only). On a 7700SID, you can set
this value, but it will not affect anything until an audio D to A converter
card is installed.
This menu item is not controllable if the DIP switches have been enabled
in the "DIP SWITCHES" menu. It will, however, report the current state of
the control set by the DIP switches.
5.5.3. Audio Channel Swap
AUDIO
CH1/CH2
SWAP Swap the two channels going to the D to A.
NO, YES
This control, if set to YES, routes channel 1 (3 if monitoring ¾) to the right
output and channel 2 (4 if monitoring ¾) to the left output. This feature is
available on the 7700SID-AM only. On a 7700SID, you can set this value,
but it will not affect anything until an audio D to A converter card is
installed.
This menu item is not controllable if the DIP switches have been enabled
in the "DIP SWITCHES" menu. It will, however, report the current state of
the control set by the DIP switches.
5.5.4. Stereo/Mono Mode Channels ½
AUDIO
OUTPUT
MODE Add the left and right channels going to the D to A for mono operation.
STEREO
MONO
This control, if set to MONO, adds channel 1 (3 if monitoring ¾) to
channel 2 (4 if monitoring ¾), reduces the summed amplitude by 2 (to
keep consistent operating levels), and routes this mono signal to both left
and right outputs. This feature is available on the 7700SID-AM only. On a
7700SID, you can set this value, but it will not affect anything until an
audio D to A converter card is installed.
This menu item is not controllable if the DIP switches have been enabled
in the "DIP SWITCHES" menu. It will, however, report the current state of
the control set by the DIP switches.
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5.5.5. Peak Analog Audio Level
AUDIO
PEAK ANALOG
LEVEL 1 dB increment controls of audio levels when 0dB FS is input.
0 to 24dBu
14dBu
This control sets BOTH of the audio outputs to the desired operating
level. The value corresponds to the output level when a 0dB FS signal is
applied. To adjust the levels independently, or to fine tune the levels, use
the FINE controls.
This feature is available on the 7700SID-AM only. On a 7700SID, you
can set this value, but it will not affect anything until an audio D to A
converter card is installed.
5.5.6. Fine Level Channel Adjust: CH1
AUDIO
FINE CH1
ADJUST Left channel level control
-128 to 127
0
The left channel output level is adjusted with this control. It has a range of
approximately +/- 0.5 dB.
On a 7700SID, you can set this value, but it will not affect anything until
an audio D to A converter card is installed.
5.5.7. Fine Level Channel Adjust: CH2
AUDIO
FINE CH1
ADJUST Right channel level control
-128 to 127
0
The right channel output level is adjusted with this control. It has a range
of approximately +/- 0.5 dB.
On a 7700SID, you can set this value, but it will not affect anything until
an audio D to A converter card is installed.
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5.6. VIDEO AND SID CONTROLS
5.6.1. Video Standard/Mode
VIDEO/SID
VIDEO
STANDARD Select the video standard or auto mode.
525
625
AUTO
The video line standards is selected with this control. If set to AUTO
mode, the card will adjust operation as needed for the incoming standard.
This menu item is not controllable if the DIP switches have been enabled
in the "DIP SWITCHES" menu. It will however, report the current state of
the control set by the DIP switches. Auto mode is not available if the DIP
switches are enabled.
5.6.2. SDI Output Keyer
WINDOWS
SDI OUTPUT
KEYER On/off control of text and audio bar graph information on the SDI output.
TEXT,
TEXT +
AUDIO
The information on the SDI output can be configured with this control.
Either text or text and audio bar graphs may displayed on the SDI output.
5.6.3. The 7760AVM Does not have both of these on/off controls! Only one output. Composite
Output Keyer
WINDOWS
COMPOSITE
OUTPUT
KEYER
On/off control of text and audio bar graph information on the composite
output.
TEXT,
TEXT +
AUDIO
The information on the composite output can be configured with this
control. Either text or text and audio bar graphs may displayed on the SDI
output.
5.6.4. NTSC Setup Pedestal
VIDEO/SID
NTSC SETUP
PEDESTAL Turn the 7.5 IRE pedestal on or off when operating in 525.
ON, OFF
The setup pedestal should not be present when operating in Japan. This
control allows it to be removed.
7700SID(-AM)-14 Revision 0.3