Marshall Electronics
V-R231-IMD-HDSDI
High Definition LCD Monitor with In-Monitor Display
Operating Instructions
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Product Overview
The V-R231-IMD-HDSDI is a full resolution 23” LCD monitor with an HD-SDI input and In-Monitor Display functionality – a
cost-effective "all-in-one" solution for post-production houses, broadcasters, and mobile units. This fully integrated
approach eliminates the need for additional or separate Under Monitor Displays and allows UMD information and tallies to
be displayed directly within a Marshall flat panel monitor. A variety of features are readily available including on-screen
Video Time Code, three-color "Soft" Tallies, Audio Presence Indicator, and a new RotoMenu™ feature that allows fast,
direct, and easy menu navigation.
The V-R231-IMD-HDSDI integrates easily with existing Tally systems and controllers, including Image Video, TSL, and
MEI protocols. This low profile unit benefits from low weight and power consumption when compared to similar CRT
products and separate Under Monitor Display configurations. The V-R231-IMD-HDSDI is a perfect solution for video
applications and systems.
The V-R231-IMD-HDSDI offers a single HDSDI/SDI input with active loop-through capability. Additional features include
ultra-wide viewing angles, adjustment settings memory, frame markers, Pixel-to-Pixel mode, Blue Only mode, and user-
definable function buttons. The V-R231-IMD-HDSDI can also be used as a standalone display with HD-SDI loop-through.
Features
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1920 x 1200 Full Resolution 23” Panel
The V-R231-IMD-HDSDI features an all-digital TFT-MegaPixel active matrix LCD system with 1920x1200 native
resolution. The LCD panel features a brightness of 400 cd/m2 and a 700:1 contrast ratio making it ideal in a variety of
environments and lighting conditions.
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■
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In-Monitor Display
In-Monitor Display allows on-screen text and tally indication, controlled locally or remotely via a variety of industry
standard protocols.
OSD Features
Embedded time code and an embedded audio presence indicator can be displayed on the screen in a variety of
configurations.
Advanced Features
Aspect ratio settings, blue-only mode, and monochrome mode are a few of the advanced features allowing the V-
R231-IMD-HDSDI to be at home in any broadcast environment. Pixel-to-Pixel mode also allows native display of any
incoming image format.
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Flexible Screen Markers
A variety of screen markers in both 4:3 and 16:9 modes allow accurate monitoring of the different aspect ratios used in
broadcast environments.
User-Definable Function Buttons
Two user-definable function buttons allow quick access to numerous settings and features including aspect ratio,
screen markers, monochrome mode, color temperature, and more.
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Installation and Initial Setup
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Unpacking
Carefully unpack the V-R231-IMD-HDSDI monitor and verify that the following items are included:
• V-R231-IMD-HDSDI Monitor
• V-PS24-7.5 Power Supply with 4-Pin XLR Connector
• Operating Instructions
Inspect the unit for any physical damage that may have occurred during shipping. Should there be any damage,
immediately contact Marshall Electronics at (800) 800-6608. If you are not located within the continental United States,
call +1 (310) 333-0606.
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Installation
The V-R231-IMD-HDSDI monitor provides VESA standard 75 mm and 100 mm hole patterns for attachment to VESA
mounts supporting at least 15 lbs. Adequate ventilation is required when installed to prevent possible damage to the
monitor’s internal components.
The V-R231-IMD-HDSDI can be configured as a desktop monitor with an optional stand (Marshall Part No.
V-ST23-32).
V-R231-IMD-HDSDI with optional desktop stand
(Marshall Part Number V-ST23-32)
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Connections, Power-On and Initial Setup
Plug the V-PS24-7.5 power supply into an AC power source (100-240 V @ 50/60 Hz). Attach the 4-pin XLR connector
to the back of the monitor.
Connect the required cables for video signal input and output. (Power must be applied to the
V-R231-IMD-HDSDI for the active loop-though output to be activated.) The monitor defaults to ‘ON’ when power is
supplied. Video will automatically be detected and displayed on the screen.
For IMD setup details, see IMD Configuration Submenu on page 19.
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Top and Front Panel Features
Power Button
Image Adjustment Knobs
Turn the monitor off or on by pressing the power
button. In the ON state, the LED above the power
button will illuminate green.
Use the image adjustment knobs to adjust color
saturation, brightness and contrast of the image.
The status of each image adjustment parameter is
shown on the bottom left of the screen, with values
ranging from 0 to 100. Pressing each knob resets
the corresponding adjustment to its default setting
(50).
Menu Navigation Buttons
Use the Menu, ↑, ↓, and Select buttons to display
and navigate the on-screen menu (See Main Menu
and Navigation – Page 9).
LED Tally
User-Definable Function Buttons
Three LED tally lights (yellow, red, green) are
available above the screen. Each tally light can be
controlled from a variety of sources (See Tally
Source – Page 21).
Two user-definable function buttons can be used for
direct access to various settings. Functions are
assigned using the on-screen menu (See User-
Definable Function Buttons – Page 15).
RotoMenu™ Knob
The RotoMenu™ knob is alternate means of
accessing and navigating the main menu, using only
a single control.
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Rear Panel Features
HD-SDI Input and Output
Tally Interface (HD-15)
The V-R231-IMD-HDSDI has one HD-SDI input and
one active loop-through output. Note: No more than
4 screens should be connected in one loop.
Both LED tally and OSD tally can be activated via
the HD-15 connector by connecting the
corresponding pin to ground. A variety of external
devices can be used to perform the contact closure.
No additional power should be supplied to the HD-
15 port. See pin-out details on page 22.
RS-422/485 Serial Interface
The RS-422/485 ports are used to remotely control
the IMD or all V-R231-IMD-HDSDI features, using a
variety of industry standard protocols. (Note:
Connector/pin-out may need to be adapted
depending on protocol and controlling device
used. See pin-out details on page 22.) Only one
connection to either port is needed to control the
monitor. The second port can be used to loop
multiple monitors in the same bus.
Power Input
Connect the 12VDC input to the 2-Pin twist lock
power input connector. Power can be supplied from
the included power supply, or from a variety of DC
sources supplying at least 3.0 Amps at 12 Volts.
IMPORTANT: If using a power source other than the
included power supply, be sure that the polarity of
the DC input is correct:
Desktop Mounting Slots
These slots are used when attaching the monitor to
the optional desktop stand.
See page 5 for details.
VESA 75mm and 100mm Hole Patterns
VESA-standard 75 mm and 100 mm hole patterns
are provided to accommodate a variety of custom
mounting options.
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Compatible Input Formats
The following SDI standards are supported by the V-R231-IMD-HDSDI:
525i, 625i
1035i/60, 1035i/59.94
1080i/60, 1080i/59.94, 1080i/50
1080psF/24, 1080psF/23.98
720p/60, 720p/59.94, 720p/50
On-Screen Menu
STRUCTURE OVERVIEW
Marker 16:9
Off, 95%, 93%, 90%, 88%, 80%, 1.85:1, 2.35:1, 4:3, 14:9, 13:9
Marker
Setup
Marker 4:3
Off, 95%, 93%, 90%, 88%, 80%
Off, 50% Gray, Black
Off, On
55K, 65K, 93K, Linear
Off, On
Marker Backgrd
Center Marker
CTemp/Gamma
Monochrome
Blue Only
Video
Off, On
Config
Pixel to Pixel
Aspect Ratio
Curtain Color
Gray Levels
Off, On
4:3, Scaled 4:3, 16:9, Full Screen
Blue, Red, Green, White, Black
RGB = 000 - 255 (8 unit steps)
Marker, Center Marker, Marker Background, IMD, Time Code, OSD Tally, Audio
Monitor, Aspect Ratio, Pixel to Pixel, CTemp/Gamma, Blue Only, Monochrome
Function 1
Function 2
Marker, Center Marker, Marker Background, IMD, Time Code, OSD Tally, Audio
Monitor, Aspect Ratio, Pixel to Pixel, CTemp/Gamma, Blue Only, Monochrome
System
Config
Load Config
Save Config
Main Board
Keypad
Mfg, User 1, User 2, User 3, User 4, User 5, User 6
User 1, User 2, User 3, User 4, User 5, User 6
(Main board firmware version number displayed)
(Keypad firmware version number displayed)
CPLD
(CPLD firmware version number displayed)
IMD State
Status Display
OSD Tally
Off, On
Off, On
Off, RGY, RG, GR, IMD
Main
OSD
Config
LED Tally
Off, On
Anc. Time Code
Audio Monitor
IMD Protocol
IMD ID #
Off, LTC, VITC
Off, On
Marshall, Image Video, TSL v4.0, Marshall-IV
000-255
IMD Group #
IMD Name (S/N)
IMD Baud Rate
IMD Fixed Align
IMD Fixed Color
IMD Fixed Str
Tally Source
IMD Tally Mode
Serial Chars
Serial Errors
Packets
001-254
User Defined (16 chars max.)
300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
Center, Right, Left
Red, Green, Yellow
User Defined (16 chars max.)
Standard, Image Video HW, Image Video 422, Standard + IV422, TSL/Marshall 422
T1, T2, T1T2, T2T1, T1-, T2-, T1T2-, T2T1-
Rx, Tx
P, F, O
Rec, Exe
CRC, Err
R, E
IMD
Config
Service
Packet Errors
Last Command
Software State
000:000 1010111
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On-Screen Menu (continued)
MAIN MENU AND NAVIGATION
Access and navigate the main menu using the 4 menu buttons or the RotoMenu™ knob:
Main Menu
Using the menu buttons
•
•
•
•
Press the MENU button to enter the main menu.
Use the ↑ and ↓ buttons to scroll through the main menu or each submenu.
Press the SELECT button to enter a submenu or choose a setting.
Press the MENU button to exit the main menu, or return to the main menu from a submenu.
Using the RotoMenu knob
•
•
•
Press the RotoMenu™ knob to enter the main menu.
Rotate the knob to scroll up or down in the main menu or each submenu.
Press the RotoMenu™ knob to enter a submenu or choose a setting.
The menu will automatically time out after 15 seconds of being idle.
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On-Screen Menu (continued)
MARKER SETUP SUBMENU
Use the Marker Setup submenu to select various types of markers and settings in 4:3, 16:9, or Full Screen modes.
Marker Setup Submenu
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16:9 Markers
Use this setting to superimpose one of 10 markers on the screen when in 16:9 or Full Screen mode. This setting is
disabled when the aspect ratio is set to 4:3, or when Pixel-to-Pixel mode is enabled. Note that in Full Screen mode,
markers are vertically “stretched” along with the picture to fit the 16:10 screen.
• Off (No Marker)
• 95% Safe Area
• 93% Safe Area
• 90% Safe Area
• 88% Safe Area
• 80% Safe Area
• 1.85:1 Aspect Ratio
• 2.35:1 Aspect Ratio
• 4:3 Aspect Ratio
• 14:9 Aspect Ratio
• 13:9 Aspect Ratio
16:9 Marker Examples:
OFF (No Marker)
90% Safe Area
2.35:1 Aspect Ratio
4:3 Aspect Ratio Marker
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On-Screen Menu (continued)
MARKER SETUP SUBMENU (continued)
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4:3 Markers
Use this setting to superimpose one of 5 markers on the screen when in 4:3 mode. This setting is disabled when the
aspect ratio is set to 16:9 or Full Screen, and when Pixel-to-Pixel mode is enabled.
• Off (No Marker)
• 95% Safe Area
• 93% Safe Area
• 90% Safe Area
• 88% Safe Area
• 80% Safe Area
4:3 Marker Examples:
OFF (No Marker)
90% Safe Area
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Marker Background
Use this setting to choose how selected markers are displayed on the screen:
• Off
• 50% Gray Screen area beyond the marker is shown at 50% intensity.
• Black Screen area beyond the marker is shown as black.
The marker is superimposed on the complete image.
Example (80% Marker in 4:3 Mode):
Background OFF
50% Gray Background
Black Background
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Center Marker
Use this setting to display a center marker on the screen.
Center Marker
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On-Screen Menu (continued)
VIDEO CONFIGURATION SUBMENU
Use the Video Configuration submenu to select various video settings, such as color temperature, monochrome mode, or
blue-only mode.
Video Configuration Submenu
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Ctemp/Gamma
Use this setting to choose one of three color temperature / gamma presets:
• D55 (5500K)
• D65 (6500K)
• D93 (9300K)
• Linear (No gamma applied)
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■
Monochrome Mode
Use this setting to enable monochrome mode. Only the luminance of the image will be displayed as a grayscale
picture.
Blue-Only Mode
Use this setting to enable Blue-Only mode. This mode displays only the blue color component of the image, switching
off the red and green components. Use this mode when calibrating the monitor to SMPTE color bars with the following
procedure:
1.
2.
3.
4.
Allow the monitor to warm up for at least 5-10 minutes.
Display SMPTE split-field color bars on the monitor using an external source.
Enable Monochrome mode.
Locate the pluge pattern (super black, black, and gray bars) at the lower-right corner of the screen. Adjust the Brightness knob until there is
no visible difference between the super black and black bars, but the gray bar is still visible.
5.
6.
7.
Adjust the Contrast knob until an even grayscale appears along the top bars.
Disable Monochrome mode.
Enable Blue-Only mode and adjust the Color knob so that the outermost bars (white and blue) appear to match in brightness.
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On-Screen Menu (continued)
VIDEO CONFIGURATION SUBMENU (continued)
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Pixel-to-Pixel Mode
Use this setting to enable Pixel-to-Pixel mode.
This mode bypasses the monitor’s internal scaling function and displays images in their native resolution and aspect
ratio, with a one-to-one mapping of incoming image pixels to screen pixels:
•
For incoming formats smaller than the native resolution of the screen (or selected aspect ratio), the image will be
displayed in the center of the screen using only the necessary LCD pixels. For example, NTSC or PAL images will
occupy exactly 720 x 486 or 720 x 576 pixels respectively. The surrounding screen area will be black.
•
For incoming formats exceeding the screen resolution (or selected aspect ratio), only the center portion of the
incoming image will displayed, with the remainder of the picture cropped. For example, 1080i/p formats will both
be cropped depending on the selected aspect ratio.
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Aspect Ratio Settings
Use this menu option to switch between several aspect ratio settings
As the V-R231-IMD-HDSDI monitor has a native resolution of 1680 x 1050 RGB pixels, incoming images are
automatically scaled to fit the screen:
•
•
•
•
In 4:3 mode, images are scaled up or down to fill the maximum 4:3 portion of the screen (1600 x 1200). IMD text
and time code are superimposed on the lower portion of the image. The audio presence indicator and on-screen
tally are displayed at the bottom of the screen, outside the image.
In Scaled 4:3 mode, images are scaled to a smaller 4:3 portion of the screen, leaving space for IMD text, tally,
and audio presence indicator to be displayed below or around the image. Time code is superimposed on the
lower portion of the image.
In 16:9 mode, images are scaled to fill the maximum 16:9 portion at the top of the screen (1920 x 1280). In this
mode, IMD text and on-screen tally are displayed below the image. Time code and the audio presence indicator
are superimposed on the lower portion of the image.
In Full Screen (16:10) mode, images are scaled to fill the entire 16:10 screen (1920 x 1200). In this mode, all
OSD features are superimposed on the image. Note that when using a 16:9 input image in this mode, the
image will be slightly vertically stretched.
The diagrams on the following page show how IMD text, timecode, and the audio monitor icon are simultaneously
displayed on the screen in each aspect ratio setting. The white area represents the video image.
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On-Screen Menu (continued)
VIDEO CONFIGURATION SUBMENU (continued)
■
Aspect Ratio Settings (continued)
00:00:00:00
00:00:00:00
IMD Text
IMD Text
Scaled 4:3
4:3
00:00:00:00
00:00:00:00
IMD Text
IMD Text
16:9
Full Screen (16:10)
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Curtain Color
Use this setting to choose the default color displayed on the screen when no video input is present. Available colors
are blue, red, green, white, and black.
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On-Screen Menu (continued)
SYSTEM CONFIGURATION SUBMENU
Use the System Configuration submenu to control various system parameters.
System Configuration Submenu
■
■
Gray Levels
Use the Gray Levels menu option to view 32 levels of flat field gray. This feature is useful for color temperature
comparison and calibration.
User-Definable Function Buttons
Use the Function 1 and Function 2 menu items to define each function button on the front panel of the monitor. The
following options are available for each button:
• Marker
• Center Marker
Enable and rotate amongst marker settings (choices depend on aspect ratio setting)
Enable/disable center marker
• Marker Backgrd Rotate amongst marker backgrounds
• IMD
Display/hide IMD text
• Time Code
• OSD Tally
• Audio Monitor
• Aspect Ratio
• Pixel to Pixel
• Ctemp/Gamma
• Blue Only
Display/hide time code
Rotate amongst types of OSD Tally
Display/hide audio presence indicator
Toggle between 4:3 and 16:9 aspect ratios
Enable/disable Pixel-to-Pixel mode
Rotate amongst color temperature settings
Enable/disable Blue Only mode
Enable/disable Monochrome mode
• Monochrome
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Saving and Loading User Presets
Use the SAVE CONFIG and LOAD CONFIG menus to save current settings to one of 6 presets, or load a preset. Each
Preset saves all monitor settings except for IMD configuration.
•
•
Use the LOAD CONFIG menu to load one of presets USR1 – USR6. Factory default settings can also be loaded
by selecting MFG. (Factory defaults cannot be overwritten.)
Use the SAVE CONFIG menu to save the current settings to a preset from USR1- USR6.
Software Version Display
The Main Board, Keypad, and CPLD software version numbers are displayed.
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On-Screen Menu (continued)
OSD CONFIGURATION SUBMENU
Use the OSD Configuration submenu to select a variety of information to be displayed on the screen.
OSD Configuration Submenu
■
■
IMD State
Use this setting to turn the IMD text display on or off. This setting affects both fixed string IMD text and remote IMD text
commands (see IMD Configuration Submenu for details – page 19).
Status Display
Use this setting to enable or disable status display. When enabled, the current video input standard is displayed on the
top left of the screen. When disabled, status is only displayed for 2 seconds when the monitor is powered on, when an
input is applied, or when the input video standard changes. The status display reads “No Input” when no video input is
present.
Status Display
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On-Screen Menu (continued)
OSD CONFIGURATION SUBMENU (continued)
■
OSD Tally
Use this setting to choose how tally is displayed on the screen. The available OSD Tally options depend on the Tally
Source selected in the IMD Configuration submenu (see page 19).
When the Tally Source is set to Standard (contact closure), OSD Tally can be set to Off, RGY, RG, or GR:
• Off
On-screen tally is disabled
• RGY Red, yellow, or green tally signals are indicated at both the bottom left and bottom right corners of the
screen. Two or three colors are shown simultaneously by subdividing each tally indicator
• RG
• GR
Red tally is shown at the bottom left of the screen, and green is shown at the bottom right.
Green tally is shown at the bottom left of the screen, and red is shown at the bottom right.
The following diagrams show RGY, RG, and GR OSD Tally modes:
00:00:00:00
00:00:00:00
00:00:00:00
(red)
(red)
(red)
(red)
(green)
(yellow)
(green)
(yellow)
(red)
(red)
(green)
(green)
IMD Text
IMD Text
IMD Text
RGY mode: single color activated
RGY mode: two colors activated
RGY mode: three colors activated
00:00:00:00
(red)
(red)
IMD Text
RG Mode: both colors activated
00:00:00:00
(red)
(red)
IMD Text
GR Mode: both colors activated
When the Tally Source is set to TSL/Marshall 422, OSD Tally can be set to Off or IMD:
• Off
On-screen tally is disabled
• IMD
Red, yellow, and green tally is displayed according the protocol commands. Green, red, and yellow colors
are shown individually on either the bottom left or right of the screen.
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On-Screen Menu (continued)
OSD CONFIGURATION SUBMENU (continued)
■
LED Tally
Use this setting to enable or disable the LED Tally. When enabled, the yellow, red and green LEDs above each display
will respond to tally commands, according to the Tally Source setting (see page 21).
■
Time Code
Use this setting to enable time code display on the screen. Time code is de-embedded from the vertical ancillary data
(VANC) within the SDI signal. Two types of time code can be selected to display on the screen: LTC (linear time
code) or VITC (vertical interval time code).
The position of the time code display varies based on the aspect ratio setting and presence of IMD text (see Aspect
Ratio diagrams on page 14).
Hours
Minutes
Seconds
Frames
00:00:00:00
Time Code display
■
Audio Monitor
Use the Audio Monitor menu option to enable or disable the audio presence indicator icon. When enabled, this icon
indicates whether embedded audio is present in the SDI video input. A red circle and cross will flash on the icon if no
embedded audio is present.
Embedded Audio Present
No Embedded Audio
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On-Screen Menu (continued)
IMD CONFIGURATION SUBMENU
■
Overview
The V-R231-IMD-HDSDI features an In-Monitor Display (IMD) with the ability to display on-screen text and tally in
three colors. IMD text, color, and alignment can be assigned to each screen locally using menu options (see below).
Alternately, IMD text and tally can be remotely controlled via the RS-422/485 serial interface using several industry-
standard protocols, including TSL and Image Video. Multiple V-R231-IMD-HDSDI monitors can be looped together and
each addressed individually via the protocol. All menu features of the V-R231-IMD-HDSDI can also be controlled via
the Marshall Network Controller box and Marshall protocol. (Contact Marshall Electronics for additional information).
Use the IMD Configuration submenu to configure various IMD parameters as described below.
IMD Configuration Submenu
■
IMD Protocol
Use the IMD Protocol menu option to choose the protocol with which the V-R231-IMD-HDSDI receives remote
commands. Currently, four protocols are available. Contact Marshall Electronics for the latest protocol compatibility.
Image Video
Use the Image Video protocol setting when controlling the IMD from an Image Video tally controller (e.g. TSI-
1000) or other controlling device which utilizes the Image Video protocol. The IMD #, IMD Name(S/N), and Baud
Rate parameters must be set for each screen in conjunction with the controlling device.
TSL v4.0
Use the TSL v4.0 protocol setting when controlling the IMD from a TSL tally controller, or other controlling device
which utilizes the TSL v4.0 protocol. The IMD # must be set for each screen in conjunction with the controlling
device.
Marshall
Use the Marshall protocol setting when controlling the V-R231-IMD-HDSDI using the Marshall Network Controller
box. This protocol allows remote control of all features on the V-R231-IMD-HDSDI, including marker setup, video
configuration, system configuration, and image adjustments (brightness, contrast, etc.). The IMD #, IMD Group #,
and Baud Rate parameters must be set in conjunction with the Network Controller Box.
Marshall-IV
This protocol setting accepts Image Video commands via the Marshall protocol, for use when an Image Video
controller is connected to the Marshall Network Controller box.
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On-Screen Menu (continued)
IMD CONFIGURATION SUBMENU (continued)
■
IMD ID #
The IMD ID # identifies each screen to the controlling device. When using the TSL protocol, the ID # of each screen
should be manually set in conjunction with the controlling device. When using the Image Video protocol, the ID # may
be set automatically by the controlling device, after each IMD is initially identified by IMD Name (see “IMD Name[S/N]”
below). Available ID #s are 000-255. When using the Marshall protocol, available ID #s are 001-254.
■
■
IMD Group #
Each screen can be assigned an IMD Group # when using the Marshall protocol. Available Group #s are 01-254.
IMD Name (S/N)
Use this setting to assign a name to each screen when using the Image Video or Marshall-IV protocols. The IMD name
is equivalent to the Image Video serial number and is used by the Image Video controlling device to identify
each screen. The default IMD Name(S/N) is “M00000.” It is recommended to maintain this naming scheme in order to
avoid serial number conflicts with other Image Video devices on the same serial bus. Each name can be up to 16
ASCII characters.
Press ENTER to edit the IMD Name. Use the ↑ and ↓ buttons to move the cursor. Press ENTER with the cursor on the
character to be changed and use the ↑ and ↓ buttons to scroll through character options. Press ENTER to choose a
character.
■
■
■
■
IMD Baud Rate
Use this setting to choose the baud rate. The baud rate must be set in conjunction with the controlling device. Available
baud rates are 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200. The TSL v4.0 protocol is fixed at
38400 bauds.
IMD Fixed Align
Use this setting to choose the horizontal alignment of the IMD text. IMD text can be justified on the left, center or right
of the screen. This setting is overridden when using IMD text via the Image Video protocol (alignment is set via Image
Video protocol).
IMD Fixed Color
Use this setting to choose the color of the IMD Fixed String text (see below). Available colors are red, green, and
yellow. This setting does not affect text color when using IMD text via the Image Video or TSL v4.0 protocols (text
color is set via the protocols).
IMD Fixed String
Use this setting to display static IMD text on the screen. This setting is used to enter IMD text locally, when a serial
protocol is not used for remote control. The IMD Fixed String is saved after power cycle. The IMD Fixed String will be
overridden by serial protocol commands.
Press ENTER to edit the IMD Fixed String. Use the ↑ and ↓buttons to move the cursor. Press ENTER with the cursor
on the character to be changed and use the ↑ and ↓ buttons to scroll through character options. Press ENTER to
choose a character.
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On-Screen Menu (continued)
IMD CONFIGURATION SUBMENU (continued)
■
Tally Source
The V-R231-IMD-HDSDI tally (OSD and LED) can be controlled in a variety of different ways. Use the Tally Source
setting to choose how tally is controlled:
Standard
Use the Standard setting to control tally via contact closure on the HD-15 tally interface.
Image Video HW
Use the Image Video HW setting to control Image Video tally states via contact closure on the HD-15 tally
interface. Contact closure of the Red pin corresponds to Image Video Tally 1, and the Green pin maps to Image
Video Tally 2. Contact closure (ground) corresponds to a LOW state, and open circuit corresponds to a HIGH
state. This mode requires the IMD Tally Mode parameter to be set. Consult Image Video documentation for
further information.
Image Video 422
Use the Image Video 422 setting to control Image Video tally states via the Image Video serial protocol. LED and
OSD tally will be disabled in this mode, as Image Video tally states are manifested in the text color and other
parameters. This mode requires the IMD Tally Mode parameter to be set. Consult Image Video documentation for
further information.
Standard + IV422
Use the Image Video 422 setting to control Image Video tally states via the Image Video serial protocol, while
controlling LED and OSD tally using contact closure on the HD-15 tally interface. This mode requires the IMD
Tally Mode parameter to be set. Consult Image Video documentation for further information.
TSL/Marshall 422
Use the TSL/Marshall 422 setting to control OSD and LED tally via the TSL or Marshall serial protocols.
■
IMD Tally Mode
Use this setting when using Image Video tally control. Choose one of the following settings, in conjunction with the
Image Video controlling device. T1, T2, T1T2, T2T1, T1-, T2-, T1T2-, T2T1-. Consult Image Video documentation for
further information.
SERVICE SUBMENU
■
Overview
The Service submenu displays the status of the serial interface, for troubleshooting or debugging purposes only.
Contact Marshall Electronics for further information. The following information is displayed:
• Serial Characters
• Serial Errors
Rx:
Tx:
P:
Total number of characters received by the UART
Total number of characters transmitted by the UART
Number of parity errors
F:
Number of framing errors
O:
Number of FIFO overrun errors
Number of packets received
Packets Executed
Number of packets that failed CRC check
Number of other packet errors
Last command received
• Packets
Rec:
Exe:
CRC:
Err:
R:
• Packet Errors
• Last Command
• Software State
E:
State:
Last command executed
000:000 1010111 (correct value)
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Specifications
■
■
PANEL
RS-422/485 SERIAL INTERFACE (RJ12)
Screen Size
Display Area (h x v)
Aspect Ratio
Pixels
Color Depth
Viewing Angle (h x v) 178°x 178°
23.0” Diagonal
Protocols: Image Video, TSL v4.0, Marshall
495.36 x 309.60 mm
16:10 Native (4:3/16:9 Modes)
1920 x RGB x 1200
Pin No.
Signal
1
2
3
4
5
6
Tx-
Ground
Rx+ (Receive from host)
Rx- (Receive from host)
N/C
Tx+
24-bit (16,777,216 Colors)
Brightness
400 cd/m2
700:1
0.086 x 0.258 mm
0.258 x 0.258 mm
Contrast Ratio
Dot Pitch (h x v)
Pixel Pitch (h x v)
■
■
VIDEO INPUT/OUTPUT
■
ELECTRICAL
HD-SDI Input / Output
Supports ITU-R BT.656, SMPTE 259M, 292M, 274M
Power Consumption 4.0A @ 24VDC (96 W)
Voltage Requirement 24 VDC
V-PS24-7.5 Power Supply:
CONNECTORS
Input
Output
100V-240V, 2.5A, 50/60Hz
18-24VDC, 7.5A, 150W Max
Video Input
1 x BNC Female (75 Ω)
Video Output (Active Loop-Through)
1 x BNC Female (75 Ω)
■
MECHANICAL
Power Input
2-Pin Twist Lock Connector
Dimensions (w x h x d): 20.90” x 14.70” x 1.83”
Weight (monitor only): 12.10 lbs
Operating Temperature 32°F to 120°F (0°C to 50 °C)
Tally Hardware Interface
HD-15 Female
Storage Temperature
-4°F to120°F (-20°C to 50°C)
RS-422/485 Interface
2 x RJ12 (Modular 6P6C)
Compliance
Œ, FCC-Class A, ANSI-63.4
(Certificates on file)
■
TALLY HARDWARE INTERFACE (HD-15)
RoHs
Do not dispose. Return to
Manufacturer or Authorized
Recycle Facility.
Activation requires contact closure of pin to ground on the
HD-15 connector:
Pin No.
1
2
Signal
Green
Red
3
4
5
Yellow
Ground
N/C
6
N/C
7
N/C
8
N/C
9
N/C
10
11
12
13
14
15
N/C
N/C
N/C
N/C
N/C
N/C
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Specifications (continued)
Maintenance
■
Screen Cleaning
Periodically clean the screen surface using ammonia-free cleaning wipes (Marshall Part No. V-HWP-K). A clean micro-
fiber cloth can also be used using only non-abrasive and ammonia-free cleaning agents. Do not use paper towels.
Paper towel fibers are coarse and may scratch the surface of the polycarbonate faceplate or leave streaks on the
surface. Antistatic and fingerprint resistant cleaning agents are recommended. Do not apply excessive pressure to the
screen to avoid damaging the LCD.
■
Faceplate Dusting
Dust the unit with a soft, damp cloth or chamois. Dry or abrasive cloths may cause electrostatic charge on the surface,
attracting dust particles. Neutralize static electricity effects by using the recommended cleaning and polishing practice.
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Warranty
Marshall Electronics warranties to the first consumer that this V-R231-IMD-HDSDI LCD monitor will, under normal use, be
free from defects in workmanship and materials, when received in its original container, for a period of one year from the
purchase date. This warranty is extended to the first consumer only, and proof of purchase is necessary to honor the
warranty. If there is no proof of purchase provided with a warranty claim, Marshall Electronics reserves the right not to
honor the warranty set forth above. Therefore, labor and parts may be charged to the consumer. This warranty does not
apply to the product exterior or cosmetics. Misuse, abnormal handling, alterations or modifications in design or
construction void this warranty. It is considered normal for a minimal amount of pixels, not to exceed three, to fail on the
periphery of the display active viewing area. Marshall Electronics reserves the option to refuse service for display pixel
failure if deemed unobtrusive to effective use of the monitor by our technicians. No sales personnel of the seller or any
other person is authorized to make any warranties other than those described above, or to extend the duration of any
warranties on behalf of Marshall Electronics, beyond the time period described above. Due to constant effort to improve
products and product features, specifications may change without notice.
V1.0
Marshall Electronics, Inc.
1910 East Maple Ave.
El Segundo, CA 90245
Tel: (800) 800-6608 / (310) 333-0606 • Fax: 310-333-0688
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